dos 2 unix conversion of backend.c v4.4.0.alpha7
authorArun Persaud <arun@nubati.net>
Thu, 25 Jun 2009 06:31:52 +0000 (23:31 -0700)
committerArun Persaud <arun@nubati.net>
Thu, 25 Jun 2009 06:33:41 +0000 (23:33 -0700)
backend.c

index 3205cde..6810648 100644 (file)
--- a/backend.c
+++ b/backend.c
-/*\r
- * backend.c -- Common back end for X and Windows NT versions of\r
- * XBoard $Id: backend.c,v 2.6 2003/11/28 09:37:36 mann Exp $\r
- *\r
- * Copyright 1991 by Digital Equipment Corporation, Maynard,\r
- * Massachusetts.  Enhancements Copyright\r
- * 1992-2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software\r
- * Foundation, Inc.\r
- *\r
- * The following terms apply to Digital Equipment Corporation's copyright\r
- * interest in XBoard:\r
- * ------------------------------------------------------------------------\r
- * All Rights Reserved\r
- *\r
- * Permission to use, copy, modify, and distribute this software and its\r
- * documentation for any purpose and without fee is hereby granted,\r
- * provided that the above copyright notice appear in all copies and that\r
- * both that copyright notice and this permission notice appear in\r
- * supporting documentation, and that the name of Digital not be\r
- * used in advertising or publicity pertaining to distribution of the\r
- * software without specific, written prior permission.\r
- *\r
- * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING\r
- * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL\r
- * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR\r
- * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,\r
- * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,\r
- * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS\r
- * SOFTWARE.\r
- * ------------------------------------------------------------------------\r
- *\r
- * The following terms apply to the enhanced version of XBoard\r
- * distributed by the Free Software Foundation:\r
- * ------------------------------------------------------------------------\r
- *\r
- * GNU XBoard is free software: you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation, either version 3 of the License, or (at\r
- * your option) any later version.\r
- *\r
- * GNU XBoard is distributed in the hope that it will be useful, but\r
- * WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
- * General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program. If not, see http://www.gnu.org/licenses/.  *\r
- *\r
- *------------------------------------------------------------------------\r
- ** See the file ChangeLog for a revision history.  */\r
-\r
-/* [AS] Also useful here for debugging */\r
-#ifdef WIN32\r
-#include <windows.h>\r
-\r
-#define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );\r
-\r
-#else\r
-\r
-#define DoSleep( n ) if( (n) >= 0) sleep(n)\r
-\r
-#endif\r
-\r
-#include "config.h"\r
-\r
-#include <assert.h>\r
-#include <stdio.h>\r
-#include <ctype.h>\r
-#include <errno.h>\r
-#include <sys/types.h>\r
-#include <sys/stat.h>\r
-#include <math.h>\r
-#include <ctype.h>\r
-\r
-#if STDC_HEADERS\r
-# include <stdlib.h>\r
-# include <string.h>\r
-#else /* not STDC_HEADERS */\r
-# if HAVE_STRING_H\r
-#  include <string.h>\r
-# else /* not HAVE_STRING_H */\r
-#  include <strings.h>\r
-# endif /* not HAVE_STRING_H */\r
-#endif /* not STDC_HEADERS */\r
-\r
-#if HAVE_SYS_FCNTL_H\r
-# include <sys/fcntl.h>\r
-#else /* not HAVE_SYS_FCNTL_H */\r
-# if HAVE_FCNTL_H\r
-#  include <fcntl.h>\r
-# endif /* HAVE_FCNTL_H */\r
-#endif /* not HAVE_SYS_FCNTL_H */\r
-\r
-#if TIME_WITH_SYS_TIME\r
-# include <sys/time.h>\r
-# include <time.h>\r
-#else\r
-# if HAVE_SYS_TIME_H\r
-#  include <sys/time.h>\r
-# else\r
-#  include <time.h>\r
-# endif\r
-#endif\r
-\r
-#if defined(_amigados) && !defined(__GNUC__)\r
-struct timezone {\r
-    int tz_minuteswest;\r
-    int tz_dsttime;\r
-};\r
-extern int gettimeofday(struct timeval *, struct timezone *);\r
-#endif\r
-\r
-#if HAVE_UNISTD_H\r
-# include <unistd.h>\r
-#endif\r
-\r
-#include "common.h"\r
-#include "frontend.h"\r
-#include "backend.h"\r
-#include "parser.h"\r
-#include "moves.h"\r
-#if ZIPPY\r
-# include "zippy.h"\r
-#endif\r
-#include "backendz.h"\r
-#include "gettext.h" \r
\r
-#ifdef ENABLE_NLS \r
-# define _(s) gettext (s) \r
-# define N_(s) gettext_noop (s) \r
-#else \r
-# define _(s) (s) \r
-# define N_(s) s \r
-#endif \r
-\r
-\r
-/* A point in time */\r
-typedef struct {\r
-    long sec;  /* Assuming this is >= 32 bits */\r
-    int ms;    /* Assuming this is >= 16 bits */\r
-} TimeMark;\r
-\r
-int establish P((void));\r
-void read_from_player P((InputSourceRef isr, VOIDSTAR closure,\r
-                        char *buf, int count, int error));\r
-void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,\r
-                     char *buf, int count, int error));\r
-void SendToICS P((char *s));\r
-void SendToICSDelayed P((char *s, long msdelay));\r
-void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,\r
-                     int toX, int toY));\r
-void InitPosition P((int redraw));\r
-void HandleMachineMove P((char *message, ChessProgramState *cps));\r
-int AutoPlayOneMove P((void));\r
-int LoadGameOneMove P((ChessMove readAhead));\r
-int LoadGameFromFile P((char *filename, int n, char *title, int useList));\r
-int LoadPositionFromFile P((char *filename, int n, char *title));\r
-int SavePositionToFile P((char *filename));\r
-void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,\r
-                 Board board, char *castle, char *ep));\r
-void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));\r
-void ShowMove P((int fromX, int fromY, int toX, int toY));\r
-int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,\r
-                  /*char*/int promoChar));\r
-void BackwardInner P((int target));\r
-void ForwardInner P((int target));\r
-void GameEnds P((ChessMove result, char *resultDetails, int whosays));\r
-void EditPositionDone P((void));\r
-void PrintOpponents P((FILE *fp));\r
-void PrintPosition P((FILE *fp, int move));\r
-void StartChessProgram P((ChessProgramState *cps));\r
-void SendToProgram P((char *message, ChessProgramState *cps));\r
-void SendMoveToProgram P((int moveNum, ChessProgramState *cps));\r
-void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,\r
-                          char *buf, int count, int error));\r
-void SendTimeControl P((ChessProgramState *cps,\r
-                       int mps, long tc, int inc, int sd, int st));\r
-char *TimeControlTagValue P((void));\r
-void Attention P((ChessProgramState *cps));\r
-void FeedMovesToProgram P((ChessProgramState *cps, int upto));\r
-void ResurrectChessProgram P((void));\r
-void DisplayComment P((int moveNumber, char *text));\r
-void DisplayMove P((int moveNumber));\r
-void DisplayAnalysis P((void));\r
-\r
-void ParseGameHistory P((char *game));\r
-void ParseBoard12 P((char *string));\r
-void StartClocks P((void));\r
-void SwitchClocks P((void));\r
-void StopClocks P((void));\r
-void ResetClocks P((void));\r
-char *PGNDate P((void));\r
-void SetGameInfo P((void));\r
-Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));\r
-int RegisterMove P((void));\r
-void MakeRegisteredMove P((void));\r
-void TruncateGame P((void));\r
-int looking_at P((char *, int *, char *));\r
-void CopyPlayerNameIntoFileName P((char **, char *));\r
-char *SavePart P((char *));\r
-int SaveGameOldStyle P((FILE *));\r
-int SaveGamePGN P((FILE *));\r
-void GetTimeMark P((TimeMark *));\r
-long SubtractTimeMarks P((TimeMark *, TimeMark *));\r
-int CheckFlags P((void));\r
-long NextTickLength P((long));\r
-void CheckTimeControl P((void));\r
-void show_bytes P((FILE *, char *, int));\r
-int string_to_rating P((char *str));\r
-void ParseFeatures P((char* args, ChessProgramState *cps));\r
-void InitBackEnd3 P((void));\r
-void FeatureDone P((ChessProgramState* cps, int val));\r
-void InitChessProgram P((ChessProgramState *cps, int setup));\r
-void OutputKibitz(int window, char *text);\r
-int PerpetualChase(int first, int last);\r
-int EngineOutputIsUp();\r
-void InitDrawingSizes(int x, int y);\r
-\r
-#ifdef WIN32\r
-       extern void ConsoleCreate();\r
-#endif\r
-\r
-ChessProgramState *WhitePlayer();\r
-void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c\r
-int VerifyDisplayMode P(());\r
-\r
-char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment\r
-void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c\r
-char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move\r
-char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book\r
-extern char installDir[MSG_SIZ];\r
-\r
-extern int tinyLayout, smallLayout;\r
-ChessProgramStats programStats;\r
-static int exiting = 0; /* [HGM] moved to top */\r
-static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;\r
-int startedFromPositionFile = FALSE; Board filePosition;       /* [HGM] loadPos */\r
-char endingGame = 0;    /* [HGM] crash: flag to prevent recursion of GameEnds() */\r
-int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS     */\r
-VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */\r
-int lastIndex = 0;      /* [HGM] autoinc: last game/position used in match mode */\r
-int opponentKibitzes;\r
-\r
-/* States for ics_getting_history */\r
-#define H_FALSE 0\r
-#define H_REQUESTED 1\r
-#define H_GOT_REQ_HEADER 2\r
-#define H_GOT_UNREQ_HEADER 3\r
-#define H_GETTING_MOVES 4\r
-#define H_GOT_UNWANTED_HEADER 5\r
-\r
-/* whosays values for GameEnds */\r
-#define GE_ICS 0\r
-#define GE_ENGINE 1\r
-#define GE_PLAYER 2\r
-#define GE_FILE 3\r
-#define GE_XBOARD 4\r
-#define GE_ENGINE1 5\r
-#define GE_ENGINE2 6\r
-\r
-/* Maximum number of games in a cmail message */\r
-#define CMAIL_MAX_GAMES 20\r
-\r
-/* Different types of move when calling RegisterMove */\r
-#define CMAIL_MOVE   0\r
-#define CMAIL_RESIGN 1\r
-#define CMAIL_DRAW   2\r
-#define CMAIL_ACCEPT 3\r
-\r
-/* Different types of result to remember for each game */\r
-#define CMAIL_NOT_RESULT 0\r
-#define CMAIL_OLD_RESULT 1\r
-#define CMAIL_NEW_RESULT 2\r
-\r
-/* Telnet protocol constants */\r
-#define TN_WILL 0373\r
-#define TN_WONT 0374\r
-#define TN_DO   0375\r
-#define TN_DONT 0376\r
-#define TN_IAC  0377\r
-#define TN_ECHO 0001\r
-#define TN_SGA  0003\r
-#define TN_PORT 23\r
-\r
-/* [AS] */\r
-static char * safeStrCpy( char * dst, const char * src, size_t count )\r
-{\r
-    assert( dst != NULL );\r
-    assert( src != NULL );\r
-    assert( count > 0 );\r
-\r
-    strncpy( dst, src, count );\r
-    dst[ count-1 ] = '\0';\r
-    return dst;\r
-}\r
-\r
-#if 0\r
-//[HGM] for future use? Conditioned out for now to suppress warning.\r
-static char * safeStrCat( char * dst, const char * src, size_t count )\r
-{\r
-    size_t  dst_len;\r
-\r
-    assert( dst != NULL );\r
-    assert( src != NULL );\r
-    assert( count > 0 );\r
-\r
-    dst_len = strlen(dst);\r
-\r
-    assert( count > dst_len ); /* Buffer size must be greater than current length */\r
-\r
-    safeStrCpy( dst + dst_len, src, count - dst_len );\r
-\r
-    return dst;\r
-}\r
-#endif\r
-\r
-/* Some compiler can't cast u64 to double\r
- * This function do the job for us:\r
-\r
- * We use the highest bit for cast, this only\r
- * works if the highest bit is not\r
- * in use (This should not happen)\r
- *\r
- * We used this for all compiler\r
- */\r
-double\r
-u64ToDouble(u64 value)\r
-{\r
-  double r;\r
-  u64 tmp = value & u64Const(0x7fffffffffffffff);\r
-  r = (double)(s64)tmp;\r
-  if (value & u64Const(0x8000000000000000))\r
-       r +=  9.2233720368547758080e18; /* 2^63 */\r
- return r;\r
-}\r
-\r
-/* Fake up flags for now, as we aren't keeping track of castling\r
-   availability yet. [HGM] Change of logic: the flag now only\r
-   indicates the type of castlings allowed by the rule of the game.\r
-   The actual rights themselves are maintained in the array\r
-   castlingRights, as part of the game history, and are not probed\r
-   by this function.\r
- */\r
-int\r
-PosFlags(index)\r
-{\r
-  int flags = F_ALL_CASTLE_OK;\r
-  if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;\r
-  switch (gameInfo.variant) {\r
-  case VariantSuicide:\r
-    flags &= ~F_ALL_CASTLE_OK;\r
-  case VariantGiveaway:                // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!\r
-    flags |= F_IGNORE_CHECK;\r
-  case VariantLosers:\r
-    flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist\r
-    break;\r
-  case VariantAtomic:\r
-    flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;\r
-    break;\r
-  case VariantKriegspiel:\r
-    flags |= F_KRIEGSPIEL_CAPTURE;\r
-    break;\r
-  case VariantCapaRandom: \r
-  case VariantFischeRandom:\r
-    flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */\r
-  case VariantNoCastle:\r
-  case VariantShatranj:\r
-  case VariantCourier:\r
-    flags &= ~F_ALL_CASTLE_OK;\r
-    break;\r
-  default:\r
-    break;\r
-  }\r
-  return flags;\r
-}\r
-\r
-FILE *gameFileFP, *debugFP;\r
-\r
-/* \r
-    [AS] Note: sometimes, the sscanf() function is used to parse the input\r
-    into a fixed-size buffer. Because of this, we must be prepared to\r
-    receive strings as long as the size of the input buffer, which is currently\r
-    set to 4K for Windows and 8K for the rest.\r
-    So, we must either allocate sufficiently large buffers here, or\r
-    reduce the size of the input buffer in the input reading part.\r
-*/\r
-\r
-char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];\r
-char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];\r
-char thinkOutput1[MSG_SIZ*10];\r
-\r
-ChessProgramState first, second;\r
-\r
-/* premove variables */\r
-int premoveToX = 0;\r
-int premoveToY = 0;\r
-int premoveFromX = 0;\r
-int premoveFromY = 0;\r
-int premovePromoChar = 0;\r
-int gotPremove = 0;\r
-Boolean alarmSounded;\r
-/* end premove variables */\r
-\r
-char *ics_prefix = "$";\r
-int ics_type = ICS_GENERIC;\r
-\r
-int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;\r
-int pauseExamForwardMostMove = 0;\r
-int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;\r
-int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];\r
-int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;\r
-int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;\r
-int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;\r
-int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;\r
-int whiteFlag = FALSE, blackFlag = FALSE;\r
-int userOfferedDraw = FALSE;\r
-int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;\r
-int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;\r
-int cmailMoveType[CMAIL_MAX_GAMES];\r
-long ics_clock_paused = 0;\r
-ProcRef icsPR = NoProc, cmailPR = NoProc;\r
-InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;\r
-GameMode gameMode = BeginningOfGame;\r
-char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];\r
-char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];\r
-ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */\r
-int hiddenThinkOutputState = 0; /* [AS] */\r
-int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */\r
-int adjudicateLossPlies = 6;\r
-char white_holding[64], black_holding[64];\r
-TimeMark lastNodeCountTime;\r
-long lastNodeCount=0;\r
-int have_sent_ICS_logon = 0;\r
-int movesPerSession;\r
-long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;\r
-long timeControl_2; /* [AS] Allow separate time controls */\r
-char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */\r
-long timeRemaining[2][MAX_MOVES];\r
-int matchGame = 0;\r
-TimeMark programStartTime;\r
-char ics_handle[MSG_SIZ];\r
-int have_set_title = 0;\r
-\r
-/* animateTraining preserves the state of appData.animate\r
- * when Training mode is activated. This allows the\r
- * response to be animated when appData.animate == TRUE and\r
- * appData.animateDragging == TRUE.\r
- */\r
-Boolean animateTraining;\r
-\r
-GameInfo gameInfo;\r
-\r
-AppData appData;\r
-\r
-Board boards[MAX_MOVES];\r
-/* [HGM] Following 7 needed for accurate legality tests: */\r
-char  epStatus[MAX_MOVES];\r
-char  castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1\r
-char  castlingRank[BOARD_SIZE]; // and corresponding ranks\r
-char  initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];\r
-int   nrCastlingRights; // For TwoKings, or to implement castling-unknown status\r
-int   initialRulePlies, FENrulePlies;\r
-char  FENepStatus;\r
-FILE  *serverMoves = NULL; // next two for broadcasting (/serverMoves option)\r
-int loadFlag = 0; \r
-int shuffleOpenings;\r
-\r
-ChessSquare  FIDEArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,\r
-       WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackBishop, BlackQueen,\r
-       BlackKing, BlackBishop, BlackKnight, BlackRook }\r
-};\r
-\r
-ChessSquare twoKingsArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,\r
-       WhiteKing, WhiteKing, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackBishop, BlackQueen,\r
-        BlackKing, BlackKing, BlackKnight, BlackRook }\r
-};\r
-\r
-ChessSquare  KnightmateArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,\r
-        WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },\r
-    { BlackRook, BlackMan, BlackBishop, BlackQueen,\r
-        BlackUnicorn, BlackBishop, BlackMan, BlackRook }\r
-};\r
-\r
-ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */\r
-    { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,\r
-        WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },\r
-    { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,\r
-       BlackKing, BlackBishop, BlackKnight, BlackRook }\r
-};\r
-\r
-ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */\r
-    { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,\r
-        WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackAlfil, BlackKing,\r
-        BlackFerz, BlackAlfil, BlackKnight, BlackRook }\r
-};\r
-\r
-\r
-#if (BOARD_SIZE>=10)\r
-ChessSquare ShogiArray[2][BOARD_SIZE] = {\r
-    { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,\r
-        WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },\r
-    { BlackQueen, BlackKnight, BlackFerz, BlackWazir,\r
-        BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }\r
-};\r
-\r
-ChessSquare XiangqiArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,\r
-        WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackAlfil, BlackFerz,\r
-        BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }\r
-};\r
-\r
-ChessSquare CapablancaArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen, \r
-        WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen, \r
-        BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }\r
-};\r
-\r
-ChessSquare GreatArray[2][BOARD_SIZE] = {\r
-    { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing, \r
-        WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },\r
-    { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing, \r
-        BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },\r
-};\r
-\r
-ChessSquare JanusArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing, \r
-        WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },\r
-    { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing, \r
-        BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }\r
-};\r
-\r
-#ifdef GOTHIC\r
-ChessSquare GothicArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall, \r
-        WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall, \r
-        BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }\r
-};\r
-#else // !GOTHIC\r
-#define GothicArray CapablancaArray\r
-#endif // !GOTHIC\r
-\r
-#ifdef FALCON\r
-ChessSquare FalconArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen, \r
-        WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen, \r
-        BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }\r
-};\r
-#else // !FALCON\r
-#define FalconArray CapablancaArray\r
-#endif // !FALCON\r
-\r
-#else // !(BOARD_SIZE>=10)\r
-#define XiangqiPosition FIDEArray\r
-#define CapablancaArray FIDEArray\r
-#define GothicArray FIDEArray\r
-#define GreatArray FIDEArray\r
-#endif // !(BOARD_SIZE>=10)\r
-\r
-#if (BOARD_SIZE>=12)\r
-ChessSquare CourierArray[2][BOARD_SIZE] = {\r
-    { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,\r
-        WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },\r
-    { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,\r
-        BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }\r
-};\r
-#else // !(BOARD_SIZE>=12)\r
-#define CourierArray CapablancaArray\r
-#endif // !(BOARD_SIZE>=12)\r
-\r
-\r
-Board initialPosition;\r
-\r
-\r
-/* Convert str to a rating. Checks for special cases of "----",\r
-\r
-   "++++", etc. Also strips ()'s */\r
-int\r
-string_to_rating(str)\r
-  char *str;\r
-{\r
-  while(*str && !isdigit(*str)) ++str;\r
-  if (!*str)\r
-    return 0;  /* One of the special "no rating" cases */\r
-  else\r
-    return atoi(str);\r
-}\r
-\r
-void\r
-ClearProgramStats()\r
-{\r
-    /* Init programStats */\r
-    programStats.movelist[0] = 0;\r
-    programStats.depth = 0;\r
-    programStats.nr_moves = 0;\r
-    programStats.moves_left = 0;\r
-    programStats.nodes = 0;\r
-    programStats.time = -1;        // [HGM] PGNtime: make invalid to recognize engine output\r
-    programStats.score = 0;\r
-    programStats.got_only_move = 0;\r
-    programStats.got_fail = 0;\r
-    programStats.line_is_book = 0;\r
-}\r
-\r
-void\r
-InitBackEnd1()\r
-{\r
-    int matched, min, sec;\r
-\r
-    ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options\r
-\r
-    GetTimeMark(&programStartTime);\r
-    srand(programStartTime.ms); // [HGM] book: makes sure random is unpredictabe to msec level\r
-\r
-    ClearProgramStats();\r
-    programStats.ok_to_send = 1;\r
-    programStats.seen_stat = 0;\r
-\r
-    /*\r
-     * Initialize game list\r
-     */\r
-    ListNew(&gameList);\r
-\r
-\r
-    /*\r
-     * Internet chess server status\r
-     */\r
-    if (appData.icsActive) {\r
-       appData.matchMode = FALSE;\r
-       appData.matchGames = 0;\r
-#if ZIPPY      \r
-       appData.noChessProgram = !appData.zippyPlay;\r
-#else\r
-       appData.zippyPlay = FALSE;\r
-       appData.zippyTalk = FALSE;\r
-       appData.noChessProgram = TRUE;\r
-#endif\r
-       if (*appData.icsHelper != NULLCHAR) {\r
-           appData.useTelnet = TRUE;\r
-           appData.telnetProgram = appData.icsHelper;\r
-       }\r
-    } else {\r
-       appData.zippyTalk = appData.zippyPlay = FALSE;\r
-    }\r
-\r
-    /* [AS] Initialize pv info list [HGM] and game state */\r
-    {\r
-        int i, j;\r
-\r
-        for( i=0; i<MAX_MOVES; i++ ) {\r
-            pvInfoList[i].depth = -1;\r
-            epStatus[i]=EP_NONE;\r
-            for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;\r
-        }\r
-    }\r
-\r
-    /*\r
-     * Parse timeControl resource\r
-     */\r
-    if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,\r
-                         appData.movesPerSession)) {\r
-       char buf[MSG_SIZ];\r
-       snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);\r
-       DisplayFatalError(buf, 0, 2);\r
-    }\r
-\r
-    /*\r
-     * Parse searchTime resource\r
-     */\r
-    if (*appData.searchTime != NULLCHAR) {\r
-       matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);\r
-       if (matched == 1) {\r
-           searchTime = min * 60;\r
-       } else if (matched == 2) {\r
-           searchTime = min * 60 + sec;\r
-       } else {\r
-           char buf[MSG_SIZ];\r
-           snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);\r
-           DisplayFatalError(buf, 0, 2);\r
-       }\r
-    }\r
-\r
-    /* [AS] Adjudication threshold */\r
-    adjudicateLossThreshold = appData.adjudicateLossThreshold;\r
-    \r
-    first.which = "first";\r
-    second.which = "second";\r
-    first.maybeThinking = second.maybeThinking = FALSE;\r
-    first.pr = second.pr = NoProc;\r
-    first.isr = second.isr = NULL;\r
-    first.sendTime = second.sendTime = 2;\r
-    first.sendDrawOffers = 1;\r
-    if (appData.firstPlaysBlack) {\r
-       first.twoMachinesColor = "black\n";\r
-       second.twoMachinesColor = "white\n";\r
-    } else {\r
-       first.twoMachinesColor = "white\n";\r
-       second.twoMachinesColor = "black\n";\r
-    }\r
-    first.program = appData.firstChessProgram;\r
-    second.program = appData.secondChessProgram;\r
-    first.host = appData.firstHost;\r
-    second.host = appData.secondHost;\r
-    first.dir = appData.firstDirectory;\r
-    second.dir = appData.secondDirectory;\r
-    first.other = &second;\r
-    second.other = &first;\r
-    first.initString = appData.initString;\r
-    second.initString = appData.secondInitString;\r
-    first.computerString = appData.firstComputerString;\r
-    second.computerString = appData.secondComputerString;\r
-    first.useSigint = second.useSigint = TRUE;\r
-    first.useSigterm = second.useSigterm = TRUE;\r
-    first.reuse = appData.reuseFirst;\r
-    second.reuse = appData.reuseSecond;\r
-    first.nps = appData.firstNPS;   // [HGM] nps: copy nodes per second\r
-    second.nps = appData.secondNPS;\r
-    first.useSetboard = second.useSetboard = FALSE;\r
-    first.useSAN = second.useSAN = FALSE;\r
-    first.usePing = second.usePing = FALSE;\r
-    first.lastPing = second.lastPing = 0;\r
-    first.lastPong = second.lastPong = 0;\r
-    first.usePlayother = second.usePlayother = FALSE;\r
-    first.useColors = second.useColors = TRUE;\r
-    first.useUsermove = second.useUsermove = FALSE;\r
-    first.sendICS = second.sendICS = FALSE;\r
-    first.sendName = second.sendName = appData.icsActive;\r
-    first.sdKludge = second.sdKludge = FALSE;\r
-    first.stKludge = second.stKludge = FALSE;\r
-    TidyProgramName(first.program, first.host, first.tidy);\r
-    TidyProgramName(second.program, second.host, second.tidy);\r
-    first.matchWins = second.matchWins = 0;\r
-    strcpy(first.variants, appData.variant);\r
-    strcpy(second.variants, appData.variant);\r
-    first.analysisSupport = second.analysisSupport = 2; /* detect */\r
-    first.analyzing = second.analyzing = FALSE;\r
-    first.initDone = second.initDone = FALSE;\r
-\r
-    /* New features added by Tord: */\r
-    first.useFEN960 = FALSE; second.useFEN960 = FALSE;\r
-    first.useOOCastle = TRUE; second.useOOCastle = TRUE;\r
-    /* End of new features added by Tord. */\r
-    first.fenOverride  = appData.fenOverride1;\r
-    second.fenOverride = appData.fenOverride2;\r
-\r
-    /* [HGM] time odds: set factor for each machine */\r
-    first.timeOdds  = appData.firstTimeOdds;\r
-    second.timeOdds = appData.secondTimeOdds;\r
-    { int norm = 1;\r
-        if(appData.timeOddsMode) {\r
-            norm = first.timeOdds;\r
-            if(norm > second.timeOdds) norm = second.timeOdds;\r
-        }\r
-        first.timeOdds /= norm;\r
-        second.timeOdds /= norm;\r
-    }\r
-\r
-    /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/\r
-    first.accumulateTC = appData.firstAccumulateTC;\r
-    second.accumulateTC = appData.secondAccumulateTC;\r
-    first.maxNrOfSessions = second.maxNrOfSessions = 1;\r
-\r
-    /* [HGM] debug */\r
-    first.debug = second.debug = FALSE;\r
-    first.supportsNPS = second.supportsNPS = UNKNOWN;\r
-\r
-    /* [HGM] options */\r
-    first.optionSettings  = appData.firstOptions;\r
-    second.optionSettings = appData.secondOptions;\r
-\r
-    first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */\r
-    second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */\r
-    first.isUCI = appData.firstIsUCI; /* [AS] */\r
-    second.isUCI = appData.secondIsUCI; /* [AS] */\r
-    first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */\r
-    second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */\r
-\r
-    if (appData.firstProtocolVersion > PROTOVER ||\r
-       appData.firstProtocolVersion < 1) {\r
-      char buf[MSG_SIZ];\r
-      sprintf(buf, _("protocol version %d not supported"),\r
-             appData.firstProtocolVersion);\r
-      DisplayFatalError(buf, 0, 2);\r
-    } else {\r
-      first.protocolVersion = appData.firstProtocolVersion;\r
-    }\r
-\r
-    if (appData.secondProtocolVersion > PROTOVER ||\r
-       appData.secondProtocolVersion < 1) {\r
-      char buf[MSG_SIZ];\r
-      sprintf(buf, _("protocol version %d not supported"),\r
-             appData.secondProtocolVersion);\r
-      DisplayFatalError(buf, 0, 2);\r
-    } else {\r
-      second.protocolVersion = appData.secondProtocolVersion;\r
-    }\r
-\r
-    if (appData.icsActive) {\r
-        appData.clockMode = TRUE;  /* changes dynamically in ICS mode */\r
-    } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {\r
-       appData.clockMode = FALSE;\r
-       first.sendTime = second.sendTime = 0;\r
-    }\r
-    \r
-#if ZIPPY\r
-    /* Override some settings from environment variables, for backward\r
-       compatibility.  Unfortunately it's not feasible to have the env\r
-       vars just set defaults, at least in xboard.  Ugh.\r
-    */\r
-    if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {\r
-      ZippyInit();\r
-    }\r
-#endif\r
-    \r
-    if (appData.noChessProgram) {\r
-       programVersion = (char*) malloc(5 + strlen(PRODUCT) + strlen(VERSION)\r
-                                       + strlen(PATCHLEVEL));\r
-       sprintf(programVersion, "%s %s.%s", PRODUCT, VERSION, PATCHLEVEL);\r
-    } else {\r
-#if 0\r
-       char *p, *q;\r
-       q = first.program;\r
-       while (*q != ' ' && *q != NULLCHAR) q++;\r
-       p = q;\r
-       while (p > first.program && *(p-1) != '/' && *(p-1) != '\\') p--; /* [HGM] backslash added */\r
-       programVersion = (char*) malloc(8 + strlen(PRODUCT) + strlen(VERSION)\r
-                                       + strlen(PATCHLEVEL) + (q - p));\r
-       sprintf(programVersion, "%s %s.%s + ", PRODUCT, VERSION, PATCHLEVEL);\r
-       strncat(programVersion, p, q - p);\r
-#else\r
-       /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */\r
-       programVersion = (char*) malloc(8 + strlen(PRODUCT) + strlen(VERSION)\r
-                                       + strlen(PATCHLEVEL) + strlen(first.tidy));\r
-       sprintf(programVersion, "%s %s.%s + %s", PRODUCT, VERSION, PATCHLEVEL, first.tidy);\r
-#endif\r
-    }\r
-\r
-    if (!appData.icsActive) {\r
-      char buf[MSG_SIZ];\r
-      /* Check for variants that are supported only in ICS mode,\r
-         or not at all.  Some that are accepted here nevertheless\r
-         have bugs; see comments below.\r
-      */\r
-      VariantClass variant = StringToVariant(appData.variant);\r
-      switch (variant) {\r
-      case VariantBughouse:     /* need four players and two boards */\r
-      case VariantKriegspiel:   /* need to hide pieces and move details */\r
-      /* case VariantFischeRandom: (Fabien: moved below) */\r
-       sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);\r
-       DisplayFatalError(buf, 0, 2);\r
-       return;\r
-\r
-      case VariantUnknown:\r
-      case VariantLoadable:\r
-      case Variant29:\r
-      case Variant30:\r
-      case Variant31:\r
-      case Variant32:\r
-      case Variant33:\r
-      case Variant34:\r
-      case Variant35:\r
-      case Variant36:\r
-      default:\r
-       sprintf(buf, _("Unknown variant name %s"), appData.variant);\r
-       DisplayFatalError(buf, 0, 2);\r
-       return;\r
-\r
-      case VariantXiangqi:    /* [HGM] repetition rules not implemented */\r
-      case VariantFairy:      /* [HGM] TestLegality definitely off! */\r
-      case VariantGothic:     /* [HGM] should work */\r
-      case VariantCapablanca: /* [HGM] should work */\r
-      case VariantCourier:    /* [HGM] initial forced moves not implemented */\r
-      case VariantShogi:      /* [HGM] drops not tested for legality */\r
-      case VariantKnightmate: /* [HGM] should work */\r
-      case VariantCylinder:   /* [HGM] untested */\r
-      case VariantFalcon:     /* [HGM] untested */\r
-      case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)\r
-                                offboard interposition not understood */\r
-      case VariantNormal:     /* definitely works! */\r
-      case VariantWildCastle: /* pieces not automatically shuffled */\r
-      case VariantNoCastle:   /* pieces not automatically shuffled */\r
-      case VariantFischeRandom: /* [HGM] works and shuffles pieces */\r
-      case VariantLosers:     /* should work except for win condition,\r
-                                and doesn't know captures are mandatory */\r
-      case VariantSuicide:    /* should work except for win condition,\r
-                                and doesn't know captures are mandatory */\r
-      case VariantGiveaway:   /* should work except for win condition,\r
-                                and doesn't know captures are mandatory */\r
-      case VariantTwoKings:   /* should work */\r
-      case VariantAtomic:     /* should work except for win condition */\r
-      case Variant3Check:     /* should work except for win condition */\r
-      case VariantShatranj:   /* should work except for all win conditions */\r
-      case VariantBerolina:   /* might work if TestLegality is off */\r
-      case VariantCapaRandom: /* should work */\r
-      case VariantJanus:      /* should work */\r
-      case VariantSuper:      /* experimental */\r
-      case VariantGreat:      /* experimental, requires legality testing to be off */\r
-       break;\r
-      }\r
-    }\r
-\r
-    InitEngineUCI( installDir, &first );  // [HGM] moved here from winboard.c, to make available in xboard\r
-    InitEngineUCI( installDir, &second );\r
-}\r
-\r
-int NextIntegerFromString( char ** str, long * value )\r
-{\r
-    int result = -1;\r
-    char * s = *str;\r
-\r
-    while( *s == ' ' || *s == '\t' ) {\r
-        s++;\r
-    }\r
-\r
-    *value = 0;\r
-\r
-    if( *s >= '0' && *s <= '9' ) {\r
-        while( *s >= '0' && *s <= '9' ) {\r
-            *value = *value * 10 + (*s - '0');\r
-            s++;\r
-        }\r
-\r
-        result = 0;\r
-    }\r
-\r
-    *str = s;\r
-\r
-    return result;\r
-}\r
-\r
-int NextTimeControlFromString( char ** str, long * value )\r
-{\r
-    long temp;\r
-    int result = NextIntegerFromString( str, &temp );\r
-\r
-    if( result == 0 ) {\r
-        *value = temp * 60; /* Minutes */\r
-        if( **str == ':' ) {\r
-            (*str)++;\r
-            result = NextIntegerFromString( str, &temp );\r
-            *value += temp; /* Seconds */\r
-        }\r
-    }\r
-\r
-    return result;\r
-}\r
-\r
-int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)\r
-{   /* [HGM] routine added to read '+moves/time' for secondary time control */\r
-    int result = -1; long temp, temp2;\r
-\r
-    if(**str != '+') return -1; // old params remain in force!\r
-    (*str)++;\r
-    if( NextTimeControlFromString( str, &temp ) ) return -1;\r
-\r
-    if(**str != '/') {\r
-        /* time only: incremental or sudden-death time control */\r
-        if(**str == '+') { /* increment follows; read it */\r
-            (*str)++;\r
-            if(result = NextIntegerFromString( str, &temp2)) return -1;\r
-            *inc = temp2 * 1000;\r
-        } else *inc = 0;\r
-        *moves = 0; *tc = temp * 1000; \r
-        return 0;\r
-    } else if(temp % 60 != 0) return -1;     /* moves was given as min:sec */\r
-\r
-    (*str)++; /* classical time control */\r
-    result = NextTimeControlFromString( str, &temp2);\r
-    if(result == 0) {\r
-        *moves = temp/60;\r
-        *tc    = temp2 * 1000;\r
-        *inc   = 0;\r
-    }\r
-    return result;\r
-}\r
-\r
-int GetTimeQuota(int movenr)\r
-{   /* [HGM] get time to add from the multi-session time-control string */\r
-    int moves=1; /* kludge to force reading of first session */\r
-    long time, increment;\r
-    char *s = fullTimeControlString;\r
-\r
-    if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);\r
-    do {\r
-        if(moves) NextSessionFromString(&s, &moves, &time, &increment);\r
-        if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);\r
-        if(movenr == -1) return time;    /* last move before new session     */\r
-        if(!moves) return increment;     /* current session is incremental   */\r
-        if(movenr >= 0) movenr -= moves; /* we already finished this session */\r
-    } while(movenr >= -1);               /* try again for next session       */\r
-\r
-    return 0; // no new time quota on this move\r
-}\r
-\r
-int\r
-ParseTimeControl(tc, ti, mps)\r
-     char *tc;\r
-     int ti;\r
-     int mps;\r
-{\r
-#if 0\r
-    int matched, min, sec;\r
-\r
-    matched = sscanf(tc, "%d:%d", &min, &sec);\r
-    if (matched == 1) {\r
-       timeControl = min * 60 * 1000;\r
-    } else if (matched == 2) {\r
-       timeControl = (min * 60 + sec) * 1000;\r
-    } else {\r
-       return FALSE;\r
-    }\r
-#else\r
-    long tc1;\r
-    long tc2;\r
-    char buf[MSG_SIZ];\r
-\r
-    if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;\r
-    if(ti > 0) {\r
-        if(mps)\r
-             sprintf(buf, "+%d/%s+%d", mps, tc, ti);\r
-        else sprintf(buf, "+%s+%d", tc, ti);\r
-    } else {\r
-        if(mps)\r
-             sprintf(buf, "+%d/%s", mps, tc);\r
-        else sprintf(buf, "+%s", tc);\r
-    }\r
-    fullTimeControlString = StrSave(buf);\r
-\r
-    if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {\r
-        return FALSE;\r
-    }\r
-\r
-    if( *tc == '/' ) {\r
-        /* Parse second time control */\r
-        tc++;\r
-\r
-        if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {\r
-            return FALSE;\r
-        }\r
-\r
-        if( tc2 == 0 ) {\r
-            return FALSE;\r
-        }\r
-\r
-        timeControl_2 = tc2 * 1000;\r
-    }\r
-    else {\r
-        timeControl_2 = 0;\r
-    }\r
-\r
-    if( tc1 == 0 ) {\r
-        return FALSE;\r
-    }\r
-\r
-    timeControl = tc1 * 1000;\r
-#endif\r
-\r
-    if (ti >= 0) {\r
-       timeIncrement = ti * 1000;  /* convert to ms */\r
-       movesPerSession = 0;\r
-    } else {\r
-       timeIncrement = 0;\r
-       movesPerSession = mps;\r
-    }\r
-    return TRUE;\r
-}\r
-\r
-void\r
-InitBackEnd2()\r
-{\r
-    if (appData.debugMode) {\r
-       fprintf(debugFP, "%s\n", programVersion);\r
-    }\r
-\r
-    if (appData.matchGames > 0) {\r
-       appData.matchMode = TRUE;\r
-    } else if (appData.matchMode) {\r
-       appData.matchGames = 1;\r
-    }\r
-    if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */\r
-       appData.matchGames = appData.sameColorGames;\r
-    if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */\r
-       if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;\r
-       if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;\r
-    }\r
-    Reset(TRUE, FALSE);\r
-    if (appData.noChessProgram || first.protocolVersion == 1) {\r
-      InitBackEnd3();\r
-    } else {\r
-      /* kludge: allow timeout for initial "feature" commands */\r
-      FreezeUI();\r
-      DisplayMessage("", _("Starting chess program"));\r
-      ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);\r
-    }\r
-}\r
-\r
-void\r
-InitBackEnd3 P((void))\r
-{\r
-    GameMode initialMode;\r
-    char buf[MSG_SIZ];\r
-    int err;\r
-\r
-    InitChessProgram(&first, startedFromSetupPosition);\r
-\r
-\r
-    if (appData.icsActive) {\r
-#ifdef WIN32\r
-        /* [DM] Make a console window if needed [HGM] merged ifs */\r
-        ConsoleCreate(); \r
-#endif\r
-       err = establish();\r
-       if (err != 0) {\r
-           if (*appData.icsCommPort != NULLCHAR) {\r
-               sprintf(buf, _("Could not open comm port %s"),  \r
-                       appData.icsCommPort);\r
-           } else {\r
-               snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),  \r
-                       appData.icsHost, appData.icsPort);\r
-           }\r
-           DisplayFatalError(buf, err, 1);\r
-           return;\r
-       }\r
-       SetICSMode();\r
-       telnetISR =\r
-         AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);\r
-       fromUserISR =\r
-         AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);\r
-    } else if (appData.noChessProgram) {\r
-       SetNCPMode();\r
-    } else {\r
-       SetGNUMode();\r
-    }\r
-\r
-    if (*appData.cmailGameName != NULLCHAR) {\r
-       SetCmailMode();\r
-       OpenLoopback(&cmailPR);\r
-       cmailISR =\r
-         AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);\r
-    }\r
-    \r
-    ThawUI();\r
-    DisplayMessage("", "");\r
-    if (StrCaseCmp(appData.initialMode, "") == 0) {\r
-      initialMode = BeginningOfGame;\r
-    } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {\r
-      initialMode = TwoMachinesPlay;\r
-    } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {\r
-      initialMode = AnalyzeFile; \r
-    } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {\r
-      initialMode = AnalyzeMode;\r
-    } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {\r
-      initialMode = MachinePlaysWhite;\r
-    } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {\r
-      initialMode = MachinePlaysBlack;\r
-    } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {\r
-      initialMode = EditGame;\r
-    } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {\r
-      initialMode = EditPosition;\r
-    } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {\r
-      initialMode = Training;\r
-    } else {\r
-      sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);\r
-      DisplayFatalError(buf, 0, 2);\r
-      return;\r
-    }\r
-\r
-    if (appData.matchMode) {\r
-       /* Set up machine vs. machine match */\r
-       if (appData.noChessProgram) {\r
-           DisplayFatalError(_("Can't have a match with no chess programs"),\r
-                             0, 2);\r
-           return;\r
-       }\r
-       matchMode = TRUE;\r
-       matchGame = 1;\r
-       if (*appData.loadGameFile != NULLCHAR) {\r
-           int index = appData.loadGameIndex; // [HGM] autoinc\r
-           if(index<0) lastIndex = index = 1;\r
-           if (!LoadGameFromFile(appData.loadGameFile,\r
-                                 index,\r
-                                 appData.loadGameFile, FALSE)) {\r
-               DisplayFatalError(_("Bad game file"), 0, 1);\r
-               return;\r
-           }\r
-       } else if (*appData.loadPositionFile != NULLCHAR) {\r
-           int index = appData.loadPositionIndex; // [HGM] autoinc\r
-           if(index<0) lastIndex = index = 1;\r
-           if (!LoadPositionFromFile(appData.loadPositionFile,\r
-                                     index,\r
-                                     appData.loadPositionFile)) {\r
-               DisplayFatalError(_("Bad position file"), 0, 1);\r
-               return;\r
-           }\r
-       }\r
-       TwoMachinesEvent();\r
-    } else if (*appData.cmailGameName != NULLCHAR) {\r
-       /* Set up cmail mode */\r
-       ReloadCmailMsgEvent(TRUE);\r
-    } else {\r
-       /* Set up other modes */\r
-       if (initialMode == AnalyzeFile) {\r
-         if (*appData.loadGameFile == NULLCHAR) {\r
-           DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);\r
-           return;\r
-         }\r
-       }\r
-       if (*appData.loadGameFile != NULLCHAR) {\r
-           (void) LoadGameFromFile(appData.loadGameFile,\r
-                                   appData.loadGameIndex,\r
-                                   appData.loadGameFile, TRUE);\r
-       } else if (*appData.loadPositionFile != NULLCHAR) {\r
-           (void) LoadPositionFromFile(appData.loadPositionFile,\r
-                                       appData.loadPositionIndex,\r
-                                       appData.loadPositionFile);\r
-            /* [HGM] try to make self-starting even after FEN load */\r
-            /* to allow automatic setup of fairy variants with wtm */\r
-            if(initialMode == BeginningOfGame && !blackPlaysFirst) {\r
-                gameMode = BeginningOfGame;\r
-                setboardSpoiledMachineBlack = 1;\r
-            }\r
-            /* [HGM] loadPos: make that every new game uses the setup */\r
-            /* from file as long as we do not switch variant          */\r
-            if(!blackPlaysFirst) { int i;\r
-                startedFromPositionFile = TRUE;\r
-                CopyBoard(filePosition, boards[0]);\r
-                for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];\r
-            }\r
-       }\r
-       if (initialMode == AnalyzeMode) {\r
-         if (appData.noChessProgram) {\r
-           DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);\r
-           return;\r
-         }\r
-         if (appData.icsActive) {\r
-           DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);\r
-           return;\r
-         }\r
-         AnalyzeModeEvent();\r
-       } else if (initialMode == AnalyzeFile) {\r
-         appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent\r
-         ShowThinkingEvent();\r
-         AnalyzeFileEvent();\r
-         AnalysisPeriodicEvent(1);\r
-       } else if (initialMode == MachinePlaysWhite) {\r
-         if (appData.noChessProgram) {\r
-           DisplayFatalError(_("MachineWhite mode requires a chess engine"),\r
-                             0, 2);\r
-           return;\r
-         }\r
-         if (appData.icsActive) {\r
-           DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),\r
-                             0, 2);\r
-           return;\r
-         }\r
-         MachineWhiteEvent();\r
-       } else if (initialMode == MachinePlaysBlack) {\r
-         if (appData.noChessProgram) {\r
-           DisplayFatalError(_("MachineBlack mode requires a chess engine"),\r
-                             0, 2);\r
-           return;\r
-         }\r
-         if (appData.icsActive) {\r
-           DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),\r
-                             0, 2);\r
-           return;\r
-         }\r
-         MachineBlackEvent();\r
-       } else if (initialMode == TwoMachinesPlay) {\r
-         if (appData.noChessProgram) {\r
-           DisplayFatalError(_("TwoMachines mode requires a chess engine"),\r
-                             0, 2);\r
-           return;\r
-         }\r
-         if (appData.icsActive) {\r
-           DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),\r
-                             0, 2);\r
-           return;\r
-         }\r
-         TwoMachinesEvent();\r
-       } else if (initialMode == EditGame) {\r
-         EditGameEvent();\r
-       } else if (initialMode == EditPosition) {\r
-         EditPositionEvent();\r
-       } else if (initialMode == Training) {\r
-         if (*appData.loadGameFile == NULLCHAR) {\r
-           DisplayFatalError(_("Training mode requires a game file"), 0, 2);\r
-           return;\r
-         }\r
-         TrainingEvent();\r
-       }\r
-    }\r
-}\r
-\r
-/*\r
- * Establish will establish a contact to a remote host.port.\r
- * Sets icsPR to a ProcRef for a process (or pseudo-process)\r
- *  used to talk to the host.\r
- * Returns 0 if okay, error code if not.\r
- */\r
-int\r
-establish()\r
-{\r
-    char buf[MSG_SIZ];\r
-\r
-    if (*appData.icsCommPort != NULLCHAR) {\r
-       /* Talk to the host through a serial comm port */\r
-       return OpenCommPort(appData.icsCommPort, &icsPR);\r
-\r
-    } else if (*appData.gateway != NULLCHAR) {\r
-       if (*appData.remoteShell == NULLCHAR) {\r
-           /* Use the rcmd protocol to run telnet program on a gateway host */\r
-           snprintf(buf, sizeof(buf), "%s %s %s",\r
-                   appData.telnetProgram, appData.icsHost, appData.icsPort);\r
-           return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);\r
-\r
-       } else {\r
-           /* Use the rsh program to run telnet program on a gateway host */\r
-           if (*appData.remoteUser == NULLCHAR) {\r
-               snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,\r
-                       appData.gateway, appData.telnetProgram,\r
-                       appData.icsHost, appData.icsPort);\r
-           } else {\r
-               snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",\r
-                       appData.remoteShell, appData.gateway, \r
-                       appData.remoteUser, appData.telnetProgram,\r
-                       appData.icsHost, appData.icsPort);\r
-           }\r
-           return StartChildProcess(buf, "", &icsPR);\r
-\r
-       }\r
-    } else if (appData.useTelnet) {\r
-       return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);\r
-\r
-    } else {\r
-       /* TCP socket interface differs somewhat between\r
-          Unix and NT; handle details in the front end.\r
-          */\r
-       return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);\r
-    }\r
-}\r
-\r
-void\r
-show_bytes(fp, buf, count)\r
-     FILE *fp;\r
-     char *buf;\r
-     int count;\r
-{\r
-    while (count--) {\r
-       if (*buf < 040 || *(unsigned char *) buf > 0177) {\r
-           fprintf(fp, "\\%03o", *buf & 0xff);\r
-       } else {\r
-           putc(*buf, fp);\r
-       }\r
-       buf++;\r
-    }\r
-    fflush(fp);\r
-}\r
-\r
-/* Returns an errno value */\r
-int\r
-OutputMaybeTelnet(pr, message, count, outError)\r
-     ProcRef pr;\r
-     char *message;\r
-     int count;\r
-     int *outError;\r
-{\r
-    char buf[8192], *p, *q, *buflim;\r
-    int left, newcount, outcount;\r
-\r
-    if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||\r
-       *appData.gateway != NULLCHAR) {\r
-       if (appData.debugMode) {\r
-           fprintf(debugFP, ">ICS: ");\r
-           show_bytes(debugFP, message, count);\r
-           fprintf(debugFP, "\n");\r
-       }\r
-       return OutputToProcess(pr, message, count, outError);\r
-    }\r
-\r
-    buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */\r
-    p = message;\r
-    q = buf;\r
-    left = count;\r
-    newcount = 0;\r
-    while (left) {\r
-       if (q >= buflim) {\r
-           if (appData.debugMode) {\r
-               fprintf(debugFP, ">ICS: ");\r
-               show_bytes(debugFP, buf, newcount);\r
-               fprintf(debugFP, "\n");\r
-           }\r
-           outcount = OutputToProcess(pr, buf, newcount, outError);\r
-           if (outcount < newcount) return -1; /* to be sure */\r
-           q = buf;\r
-           newcount = 0;\r
-       }\r
-       if (*p == '\n') {\r
-           *q++ = '\r';\r
-           newcount++;\r
-       } else if (((unsigned char) *p) == TN_IAC) {\r
-           *q++ = (char) TN_IAC;\r
-           newcount ++;\r
-       }\r
-       *q++ = *p++;\r
-       newcount++;\r
-       left--;\r
-    }\r
-    if (appData.debugMode) {\r
-       fprintf(debugFP, ">ICS: ");\r
-       show_bytes(debugFP, buf, newcount);\r
-       fprintf(debugFP, "\n");\r
-    }\r
-    outcount = OutputToProcess(pr, buf, newcount, outError);\r
-    if (outcount < newcount) return -1; /* to be sure */\r
-    return count;\r
-}\r
-\r
-void\r
-read_from_player(isr, closure, message, count, error)\r
-     InputSourceRef isr;\r
-     VOIDSTAR closure;\r
-     char *message;\r
-     int count;\r
-     int error;\r
-{\r
-    int outError, outCount;\r
-    static int gotEof = 0;\r
-\r
-    /* Pass data read from player on to ICS */\r
-    if (count > 0) {\r
-       gotEof = 0;\r
-       outCount = OutputMaybeTelnet(icsPR, message, count, &outError);\r
-       if (outCount < count) {\r
-            DisplayFatalError(_("Error writing to ICS"), outError, 1);\r
-       }\r
-    } else if (count < 0) {\r
-       RemoveInputSource(isr);\r
-       DisplayFatalError(_("Error reading from keyboard"), error, 1);\r
-    } else if (gotEof++ > 0) {\r
-       RemoveInputSource(isr);\r
-       DisplayFatalError(_("Got end of file from keyboard"), 0, 0);\r
-    }\r
-}\r
-\r
-void\r
-SendToICS(s)\r
-     char *s;\r
-{\r
-    int count, outCount, outError;\r
-\r
-    if (icsPR == NULL) return;\r
-\r
-    count = strlen(s);\r
-    outCount = OutputMaybeTelnet(icsPR, s, count, &outError);\r
-    if (outCount < count) {\r
-       DisplayFatalError(_("Error writing to ICS"), outError, 1);\r
-    }\r
-}\r
-\r
-/* This is used for sending logon scripts to the ICS. Sending\r
-   without a delay causes problems when using timestamp on ICC\r
-   (at least on my machine). */\r
-void\r
-SendToICSDelayed(s,msdelay)\r
-     char *s;\r
-     long msdelay;\r
-{\r
-    int count, outCount, outError;\r
-\r
-    if (icsPR == NULL) return;\r
-\r
-    count = strlen(s);\r
-    if (appData.debugMode) {\r
-       fprintf(debugFP, ">ICS: ");\r
-       show_bytes(debugFP, s, count);\r
-       fprintf(debugFP, "\n");\r
-    }\r
-    outCount = OutputToProcessDelayed(icsPR, s, count, &outError,\r
-                                     msdelay);\r
-    if (outCount < count) {\r
-       DisplayFatalError(_("Error writing to ICS"), outError, 1);\r
-    }\r
-}\r
-\r
-\r
-/* Remove all highlighting escape sequences in s\r
-   Also deletes any suffix starting with '(' \r
-   */\r
-char *\r
-StripHighlightAndTitle(s)\r
-     char *s;\r
-{\r
-    static char retbuf[MSG_SIZ];\r
-    char *p = retbuf;\r
-\r
-    while (*s != NULLCHAR) {\r
-       while (*s == '\033') {\r
-           while (*s != NULLCHAR && !isalpha(*s)) s++;\r
-           if (*s != NULLCHAR) s++;\r
-       }\r
-       while (*s != NULLCHAR && *s != '\033') {\r
-           if (*s == '(' || *s == '[') {\r
-               *p = NULLCHAR;\r
-               return retbuf;\r
-           }\r
-           *p++ = *s++;\r
-       }\r
-    }\r
-    *p = NULLCHAR;\r
-    return retbuf;\r
-}\r
-\r
-/* Remove all highlighting escape sequences in s */\r
-char *\r
-StripHighlight(s)\r
-     char *s;\r
-{\r
-    static char retbuf[MSG_SIZ];\r
-    char *p = retbuf;\r
-\r
-    while (*s != NULLCHAR) {\r
-       while (*s == '\033') {\r
-           while (*s != NULLCHAR && !isalpha(*s)) s++;\r
-           if (*s != NULLCHAR) s++;\r
-       }\r
-       while (*s != NULLCHAR && *s != '\033') {\r
-           *p++ = *s++;\r
-       }\r
-    }\r
-    *p = NULLCHAR;\r
-    return retbuf;\r
-}\r
-\r
-char *variantNames[] = VARIANT_NAMES;\r
-char *\r
-VariantName(v)\r
-     VariantClass v;\r
-{\r
-    return variantNames[v];\r
-}\r
-\r
-\r
-/* Identify a variant from the strings the chess servers use or the\r
-   PGN Variant tag names we use. */\r
-VariantClass\r
-StringToVariant(e)\r
-     char *e;\r
-{\r
-    char *p;\r
-    int wnum = -1;\r
-    VariantClass v = VariantNormal;\r
-    int i, found = FALSE;\r
-    char buf[MSG_SIZ];\r
-\r
-    if (!e) return v;\r
-\r
-    /* [HGM] skip over optional board-size prefixes */\r
-    if( sscanf(e, "%dx%d_", &i, &i) == 2 ||\r
-        sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {\r
-        while( *e++ != '_');\r
-    }\r
-\r
-    for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {\r
-      if (StrCaseStr(e, variantNames[i])) {\r
-       v = (VariantClass) i;\r
-       found = TRUE;\r
-       break;\r
-      }\r
-    }\r
-\r
-    if (!found) {\r
-      if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))\r
-         || StrCaseStr(e, "wild/fr") \r
-         || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {\r
-        v = VariantFischeRandom;\r
-      } else if ((i = 4, p = StrCaseStr(e, "wild")) ||\r
-                (i = 1, p = StrCaseStr(e, "w"))) {\r
-       p += i;\r
-       while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;\r
-       if (isdigit(*p)) {\r
-         wnum = atoi(p);\r
-       } else {\r
-         wnum = -1;\r
-       }\r
-       switch (wnum) {\r
-       case 0: /* FICS only, actually */\r
-       case 1:\r
-         /* Castling legal even if K starts on d-file */\r
-         v = VariantWildCastle;\r
-         break;\r
-       case 2:\r
-       case 3:\r
-       case 4:\r
-         /* Castling illegal even if K & R happen to start in\r
-            normal positions. */\r
-         v = VariantNoCastle;\r
-         break;\r
-       case 5:\r
-       case 7:\r
-       case 8:\r
-       case 10:\r
-       case 11:\r
-       case 12:\r
-       case 13:\r
-       case 14:\r
-       case 15:\r
-       case 18:\r
-       case 19:\r
-         /* Castling legal iff K & R start in normal positions */\r
-         v = VariantNormal;\r
-         break;\r
-       case 6:\r
-       case 20:\r
-       case 21:\r
-         /* Special wilds for position setup; unclear what to do here */\r
-         v = VariantLoadable;\r
-         break;\r
-       case 9:\r
-         /* Bizarre ICC game */\r
-         v = VariantTwoKings;\r
-         break;\r
-       case 16:\r
-         v = VariantKriegspiel;\r
-         break;\r
-       case 17:\r
-         v = VariantLosers;\r
-         break;\r
-       case 22:\r
-         v = VariantFischeRandom;\r
-         break;\r
-       case 23:\r
-         v = VariantCrazyhouse;\r
-         break;\r
-       case 24:\r
-         v = VariantBughouse;\r
-         break;\r
-       case 25:\r
-         v = Variant3Check;\r
-         break;\r
-       case 26:\r
-         /* Not quite the same as FICS suicide! */\r
-         v = VariantGiveaway;\r
-         break;\r
-       case 27:\r
-         v = VariantAtomic;\r
-         break;\r
-       case 28:\r
-         v = VariantShatranj;\r
-         break;\r
-\r
-       /* Temporary names for future ICC types.  The name *will* change in \r
-          the next xboard/WinBoard release after ICC defines it. */\r
-       case 29:\r
-         v = Variant29;\r
-         break;\r
-       case 30:\r
-         v = Variant30;\r
-         break;\r
-       case 31:\r
-         v = Variant31;\r
-         break;\r
-       case 32:\r
-         v = Variant32;\r
-         break;\r
-       case 33:\r
-         v = Variant33;\r
-         break;\r
-       case 34:\r
-         v = Variant34;\r
-         break;\r
-       case 35:\r
-         v = Variant35;\r
-         break;\r
-       case 36:\r
-         v = Variant36;\r
-         break;\r
-        case 37:\r
-          v = VariantShogi;\r
-         break;\r
-        case 38:\r
-          v = VariantXiangqi;\r
-         break;\r
-        case 39:\r
-          v = VariantCourier;\r
-         break;\r
-        case 40:\r
-          v = VariantGothic;\r
-         break;\r
-        case 41:\r
-          v = VariantCapablanca;\r
-         break;\r
-        case 42:\r
-          v = VariantKnightmate;\r
-         break;\r
-        case 43:\r
-          v = VariantFairy;\r
-          break;\r
-        case 44:\r
-          v = VariantCylinder;\r
-         break;\r
-        case 45:\r
-          v = VariantFalcon;\r
-         break;\r
-        case 46:\r
-          v = VariantCapaRandom;\r
-         break;\r
-        case 47:\r
-          v = VariantBerolina;\r
-         break;\r
-        case 48:\r
-          v = VariantJanus;\r
-         break;\r
-        case 49:\r
-          v = VariantSuper;\r
-         break;\r
-        case 50:\r
-          v = VariantGreat;\r
-         break;\r
-       case -1:\r
-         /* Found "wild" or "w" in the string but no number;\r
-            must assume it's normal chess. */\r
-         v = VariantNormal;\r
-         break;\r
-       default:\r
-         sprintf(buf, _("Unknown wild type %d"), wnum);\r
-         DisplayError(buf, 0);\r
-         v = VariantUnknown;\r
-         break;\r
-       }\r
-      }\r
-    }\r
-    if (appData.debugMode) {\r
-      fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),\r
-             e, wnum, VariantName(v));\r
-    }\r
-    return v;\r
-}\r
-\r
-static int leftover_start = 0, leftover_len = 0;\r
-char star_match[STAR_MATCH_N][MSG_SIZ];\r
-\r
-/* Test whether pattern is present at &buf[*index]; if so, return TRUE,\r
-   advance *index beyond it, and set leftover_start to the new value of\r
-   *index; else return FALSE.  If pattern contains the character '*', it\r
-   matches any sequence of characters not containing '\r', '\n', or the\r
-   character following the '*' (if any), and the matched sequence(s) are\r
-   copied into star_match.\r
-   */\r
-int\r
-looking_at(buf, index, pattern)\r
-     char *buf;\r
-     int *index;\r
-     char *pattern;\r
-{\r
-    char *bufp = &buf[*index], *patternp = pattern;\r
-    int star_count = 0;\r
-    char *matchp = star_match[0];\r
-    \r
-    for (;;) {\r
-       if (*patternp == NULLCHAR) {\r
-           *index = leftover_start = bufp - buf;\r
-           *matchp = NULLCHAR;\r
-           return TRUE;\r
-       }\r
-       if (*bufp == NULLCHAR) return FALSE;\r
-       if (*patternp == '*') {\r
-           if (*bufp == *(patternp + 1)) {\r
-               *matchp = NULLCHAR;\r
-               matchp = star_match[++star_count];\r
-               patternp += 2;\r
-               bufp++;\r
-               continue;\r
-           } else if (*bufp == '\n' || *bufp == '\r') {\r
-               patternp++;\r
-               if (*patternp == NULLCHAR)\r
-                 continue;\r
-               else\r
-                 return FALSE;\r
-           } else {\r
-               *matchp++ = *bufp++;\r
-               continue;\r
-           }\r
-       }\r
-       if (*patternp != *bufp) return FALSE;\r
-       patternp++;\r
-       bufp++;\r
-    }\r
-}\r
-\r
-void\r
-SendToPlayer(data, length)\r
-     char *data;\r
-     int length;\r
-{\r
-    int error, outCount;\r
-    outCount = OutputToProcess(NoProc, data, length, &error);\r
-    if (outCount < length) {\r
-       DisplayFatalError(_("Error writing to display"), error, 1);\r
-    }\r
-}\r
-\r
-void\r
-PackHolding(packed, holding)\r
-     char packed[];\r
-     char *holding;\r
-{\r
-    char *p = holding;\r
-    char *q = packed;\r
-    int runlength = 0;\r
-    int curr = 9999;\r
-    do {\r
-       if (*p == curr) {\r
-           runlength++;\r
-       } else {\r
-           switch (runlength) {\r
-             case 0:\r
-               break;\r
-             case 1:\r
-               *q++ = curr;\r
-               break;\r
-             case 2:\r
-               *q++ = curr;\r
-               *q++ = curr;\r
-               break;\r
-             default:\r
-               sprintf(q, "%d", runlength);\r
-               while (*q) q++;\r
-               *q++ = curr;\r
-               break;\r
-           }\r
-           runlength = 1;\r
-           curr = *p;\r
-       }\r
-    } while (*p++);\r
-    *q = NULLCHAR;\r
-}\r
-\r
-/* Telnet protocol requests from the front end */\r
-void\r
-TelnetRequest(ddww, option)\r
-     unsigned char ddww, option;\r
-{\r
-    unsigned char msg[3];\r
-    int outCount, outError;\r
-\r
-    if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;\r
-\r
-    if (appData.debugMode) {\r
-       char buf1[8], buf2[8], *ddwwStr, *optionStr;\r
-       switch (ddww) {\r
-         case TN_DO:\r
-           ddwwStr = "DO";\r
-           break;\r
-         case TN_DONT:\r
-           ddwwStr = "DONT";\r
-           break;\r
-         case TN_WILL:\r
-           ddwwStr = "WILL";\r
-           break;\r
-         case TN_WONT:\r
-           ddwwStr = "WONT";\r
-           break;\r
-         default:\r
-           ddwwStr = buf1;\r
-           sprintf(buf1, "%d", ddww);\r
-           break;\r
-       }\r
-       switch (option) {\r
-         case TN_ECHO:\r
-           optionStr = "ECHO";\r
-           break;\r
-         default:\r
-           optionStr = buf2;\r
-           sprintf(buf2, "%d", option);\r
-           break;\r
-       }\r
-       fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);\r
-    }\r
-    msg[0] = TN_IAC;\r
-    msg[1] = ddww;\r
-    msg[2] = option;\r
-    outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);\r
-    if (outCount < 3) {\r
-       DisplayFatalError(_("Error writing to ICS"), outError, 1);\r
-    }\r
-}\r
-\r
-void\r
-DoEcho()\r
-{\r
-    if (!appData.icsActive) return;\r
-    TelnetRequest(TN_DO, TN_ECHO);\r
-}\r
-\r
-void\r
-DontEcho()\r
-{\r
-    if (!appData.icsActive) return;\r
-    TelnetRequest(TN_DONT, TN_ECHO);\r
-}\r
-\r
-void\r
-CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)\r
-{\r
-    /* put the holdings sent to us by the server on the board holdings area */\r
-    int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;\r
-    char p;\r
-    ChessSquare piece;\r
-\r
-    if(gameInfo.holdingsWidth < 2)  return;\r
-\r
-    if( (int)lowestPiece >= BlackPawn ) {\r
-        holdingsColumn = 0;\r
-        countsColumn = 1;\r
-        holdingsStartRow = BOARD_HEIGHT-1;\r
-        direction = -1;\r
-    } else {\r
-        holdingsColumn = BOARD_WIDTH-1;\r
-        countsColumn = BOARD_WIDTH-2;\r
-        holdingsStartRow = 0;\r
-        direction = 1;\r
-    }\r
-\r
-    for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */\r
-        board[i][holdingsColumn] = EmptySquare;\r
-        board[i][countsColumn]   = (ChessSquare) 0;\r
-    }\r
-    while( (p=*holdings++) != NULLCHAR ) {\r
-        piece = CharToPiece( ToUpper(p) );\r
-        if(piece == EmptySquare) continue;\r
-        /*j = (int) piece - (int) WhitePawn;*/\r
-        j = PieceToNumber(piece);\r
-        if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */\r
-        if(j < 0) continue;               /* should not happen */\r
-        piece = (ChessSquare) ( (int)piece + (int)lowestPiece );\r
-        board[holdingsStartRow+j*direction][holdingsColumn] = piece;\r
-        board[holdingsStartRow+j*direction][countsColumn]++;\r
-    }\r
-\r
-}\r
-\r
-\r
-void\r
-VariantSwitch(Board board, VariantClass newVariant)\r
-{\r
-   int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;\r
-   int oldCurrentMove = currentMove, oldForwardMostMove = forwardMostMove, oldBackwardMostMove = backwardMostMove;\r
-//   Board tempBoard; int saveCastling[BOARD_SIZE], saveEP;\r
-\r
-   startedFromPositionFile = FALSE;\r
-   if(gameInfo.variant == newVariant) return;\r
-\r
-   /* [HGM] This routine is called each time an assignment is made to\r
-    * gameInfo.variant during a game, to make sure the board sizes\r
-    * are set to match the new variant. If that means adding or deleting\r
-    * holdings, we shift the playing board accordingly\r
-    * This kludge is needed because in ICS observe mode, we get boards\r
-    * of an ongoing game without knowing the variant, and learn about the\r
-    * latter only later. This can be because of the move list we requested,\r
-    * in which case the game history is refilled from the beginning anyway,\r
-    * but also when receiving holdings of a crazyhouse game. In the latter\r
-    * case we want to add those holdings to the already received position.\r
-    */\r
-\r
-\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "Switch board from %s to %s\n",\r
-               VariantName(gameInfo.variant), VariantName(newVariant));\r
-    setbuf(debugFP, NULL);\r
-  }\r
-    shuffleOpenings = 0;       /* [HGM] shuffle */\r
-    gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */\r
-    switch(newVariant) {\r
-            case VariantShogi:\r
-              newWidth = 9;  newHeight = 9;\r
-              gameInfo.holdingsSize = 7;\r
-            case VariantBughouse:\r
-            case VariantCrazyhouse:\r
-              newHoldingsWidth = 2; break;\r
-            default:\r
-              newHoldingsWidth = gameInfo.holdingsSize = 0;\r
-    }\r
-\r
-    if(newWidth  != gameInfo.boardWidth  ||\r
-       newHeight != gameInfo.boardHeight ||\r
-       newHoldingsWidth != gameInfo.holdingsWidth ) {\r
-\r
-        /* shift position to new playing area, if needed */\r
-        if(newHoldingsWidth > gameInfo.holdingsWidth) {\r
-           for(i=0; i<BOARD_HEIGHT; i++) \r
-               for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)\r
-                   board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =\r
-                                                     board[i][j];\r
-           for(i=0; i<newHeight; i++) {\r
-               board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;\r
-               board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;\r
-           }\r
-        } else if(newHoldingsWidth < gameInfo.holdingsWidth) {\r
-           for(i=0; i<BOARD_HEIGHT; i++)\r
-               for(j=BOARD_LEFT; j<BOARD_RGHT; j++)\r
-                   board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =\r
-                                                 board[i][j];\r
-        }\r
-\r
-        gameInfo.boardWidth  = newWidth;\r
-        gameInfo.boardHeight = newHeight;\r
-        gameInfo.holdingsWidth = newHoldingsWidth;\r
-        gameInfo.variant = newVariant;\r
-        InitDrawingSizes(-2, 0);\r
-\r
-        /* [HGM] The following should definitely be solved in a better way */\r
-#if 0\r
-        CopyBoard(board, tempBoard); /* save position in case it is board[0] */\r
-        for(i=0; i<BOARD_SIZE; i++) saveCastling[i] = castlingRights[0][i];\r
-        saveEP = epStatus[0];\r
-#endif\r
-        InitPosition(FALSE);          /* this sets up board[0], but also other stuff        */\r
-#if 0\r
-        epStatus[0] = saveEP;\r
-        for(i=0; i<BOARD_SIZE; i++) castlingRights[0][i] = saveCastling[i];\r
-        CopyBoard(tempBoard, board); /* restore position received from ICS   */\r
-#endif\r
-    } else { gameInfo.variant = newVariant; InitPosition(FALSE); }\r
-\r
-    forwardMostMove = oldForwardMostMove;\r
-    backwardMostMove = oldBackwardMostMove;\r
-    currentMove = oldCurrentMove; /* InitPos reset these, but we need still to redraw the position */\r
-}\r
-\r
-static int loggedOn = FALSE;\r
-\r
-/*-- Game start info cache: --*/\r
-int gs_gamenum;\r
-char gs_kind[MSG_SIZ];\r
-static char player1Name[128] = "";\r
-static char player2Name[128] = "";\r
-static int player1Rating = -1;\r
-static int player2Rating = -1;\r
-/*----------------------------*/\r
-\r
-ColorClass curColor = ColorNormal;\r
-int suppressKibitz = 0;\r
-\r
-void\r
-read_from_ics(isr, closure, data, count, error)\r
-     InputSourceRef isr;\r
-     VOIDSTAR closure;\r
-     char *data;\r
-     int count;\r
-     int error;\r
-{\r
-#define BUF_SIZE 8192\r
-#define STARTED_NONE 0\r
-#define STARTED_MOVES 1\r
-#define STARTED_BOARD 2\r
-#define STARTED_OBSERVE 3\r
-#define STARTED_HOLDINGS 4\r
-#define STARTED_CHATTER 5\r
-#define STARTED_COMMENT 6\r
-#define STARTED_MOVES_NOHIDE 7\r
-    \r
-    static int started = STARTED_NONE;\r
-    static char parse[20000];\r
-    static int parse_pos = 0;\r
-    static char buf[BUF_SIZE + 1];\r
-    static int firstTime = TRUE, intfSet = FALSE;\r
-    static ColorClass prevColor = ColorNormal;\r
-    static int savingComment = FALSE;\r
-    char str[500];\r
-    int i, oldi;\r
-    int buf_len;\r
-    int next_out;\r
-    int tkind;\r
-    int backup;    /* [DM] For zippy color lines */\r
-    char *p;\r
-\r
-    if (appData.debugMode) {\r
-      if (!error) {\r
-       fprintf(debugFP, "<ICS: ");\r
-       show_bytes(debugFP, data, count);\r
-       fprintf(debugFP, "\n");\r
-      }\r
-    }\r
-\r
-    if (appData.debugMode) { int f = forwardMostMove;\r
-        fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,\r
-                castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);\r
-    }\r
-    if (count > 0) {\r
-       /* If last read ended with a partial line that we couldn't parse,\r
-          prepend it to the new read and try again. */\r
-       if (leftover_len > 0) {\r
-           for (i=0; i<leftover_len; i++)\r
-             buf[i] = buf[leftover_start + i];\r
-       }\r
-\r
-       /* Copy in new characters, removing nulls and \r's */\r
-       buf_len = leftover_len;\r
-       for (i = 0; i < count; i++) {\r
-           if (data[i] != NULLCHAR && data[i] != '\r')\r
-             buf[buf_len++] = data[i];\r
-           if(buf_len >= 5 && buf[buf_len-5]=='\n' && buf[buf_len-4]=='\\' && \r
-                               buf[buf_len-3]==' '  && buf[buf_len-2]==' '  && buf[buf_len-1]==' ') \r
-               buf_len -= 5; // [HGM] ICS: join continuation line of Lasker 2.2.3 server with previous\r
-       }\r
-\r
-       buf[buf_len] = NULLCHAR;\r
-       next_out = leftover_len;\r
-       leftover_start = 0;\r
-       \r
-       i = 0;\r
-       while (i < buf_len) {\r
-           /* Deal with part of the TELNET option negotiation\r
-              protocol.  We refuse to do anything beyond the\r
-              defaults, except that we allow the WILL ECHO option,\r
-              which ICS uses to turn off password echoing when we are\r
-              directly connected to it.  We reject this option\r
-              if localLineEditing mode is on (always on in xboard)\r
-               and we are talking to port 23, which might be a real\r
-              telnet server that will try to keep WILL ECHO on permanently.\r
-             */\r
-           if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {\r
-               static int remoteEchoOption = FALSE; /* telnet ECHO option */\r
-               unsigned char option;\r
-               oldi = i;\r
-               switch ((unsigned char) buf[++i]) {\r
-                 case TN_WILL:\r
-                   if (appData.debugMode)\r
-                     fprintf(debugFP, "\n<WILL ");\r
-                   switch (option = (unsigned char) buf[++i]) {\r
-                     case TN_ECHO:\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "ECHO ");\r
-                       /* Reply only if this is a change, according\r
-                          to the protocol rules. */\r
-                       if (remoteEchoOption) break;\r
-                       if (appData.localLineEditing &&\r
-                           atoi(appData.icsPort) == TN_PORT) {\r
-                           TelnetRequest(TN_DONT, TN_ECHO);\r
-                       } else {\r
-                           EchoOff();\r
-                           TelnetRequest(TN_DO, TN_ECHO);\r
-                           remoteEchoOption = TRUE;\r
-                       }\r
-                       break;\r
-                     default:\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "%d ", option);\r
-                       /* Whatever this is, we don't want it. */\r
-                       TelnetRequest(TN_DONT, option);\r
-                       break;\r
-                   }\r
-                   break;\r
-                 case TN_WONT:\r
-                   if (appData.debugMode)\r
-                     fprintf(debugFP, "\n<WONT ");\r
-                   switch (option = (unsigned char) buf[++i]) {\r
-                     case TN_ECHO:\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "ECHO ");\r
-                       /* Reply only if this is a change, according\r
-                          to the protocol rules. */\r
-                       if (!remoteEchoOption) break;\r
-                       EchoOn();\r
-                       TelnetRequest(TN_DONT, TN_ECHO);\r
-                       remoteEchoOption = FALSE;\r
-                       break;\r
-                     default:\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "%d ", (unsigned char) option);\r
-                       /* Whatever this is, it must already be turned\r
-                          off, because we never agree to turn on\r
-                          anything non-default, so according to the\r
-                          protocol rules, we don't reply. */\r
-                       break;\r
-                   }\r
-                   break;\r
-                 case TN_DO:\r
-                   if (appData.debugMode)\r
-                     fprintf(debugFP, "\n<DO ");\r
-                   switch (option = (unsigned char) buf[++i]) {\r
-                     default:\r
-                       /* Whatever this is, we refuse to do it. */\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "%d ", option);\r
-                       TelnetRequest(TN_WONT, option);\r
-                       break;\r
-                   }\r
-                   break;\r
-                 case TN_DONT:\r
-                   if (appData.debugMode)\r
-                     fprintf(debugFP, "\n<DONT ");\r
-                   switch (option = (unsigned char) buf[++i]) {\r
-                     default:\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "%d ", option);\r
-                       /* Whatever this is, we are already not doing\r
-                          it, because we never agree to do anything\r
-                          non-default, so according to the protocol\r
-                          rules, we don't reply. */\r
-                       break;\r
-                   }\r
-                   break;\r
-                 case TN_IAC:\r
-                   if (appData.debugMode)\r
-                     fprintf(debugFP, "\n<IAC ");\r
-                   /* Doubled IAC; pass it through */\r
-                   i--;\r
-                   break;\r
-                 default:\r
-                   if (appData.debugMode)\r
-                     fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);\r
-                   /* Drop all other telnet commands on the floor */\r
-                   break;\r
-               }\r
-               if (oldi > next_out)\r
-                 SendToPlayer(&buf[next_out], oldi - next_out);\r
-               if (++i > next_out)\r
-                 next_out = i;\r
-               continue;\r
-           }\r
-               \r
-           /* OK, this at least will *usually* work */\r
-           if (!loggedOn && looking_at(buf, &i, "ics%")) {\r
-               loggedOn = TRUE;\r
-           }\r
-           \r
-           if (loggedOn && !intfSet) {\r
-               if (ics_type == ICS_ICC) {\r
-                 sprintf(str,\r
-                         "/set-quietly interface %s\n/set-quietly style 12\n",\r
-                         programVersion);\r
-\r
-               } else if (ics_type == ICS_CHESSNET) {\r
-                 sprintf(str, "/style 12\n");\r
-               } else {\r
-                 strcpy(str, "alias $ @\n$set interface ");\r
-                 strcat(str, programVersion);\r
-                 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");\r
-#ifdef WIN32\r
-                 strcat(str, "$iset nohighlight 1\n");\r
-#endif\r
-                 strcat(str, "$iset lock 1\n$style 12\n");\r
-               }\r
-               SendToICS(str);\r
-               intfSet = TRUE;\r
-           }\r
-\r
-           if (started == STARTED_COMMENT) {\r
-               /* Accumulate characters in comment */\r
-               parse[parse_pos++] = buf[i];\r
-               if (buf[i] == '\n') {\r
-                   parse[parse_pos] = NULLCHAR;\r
-                   if(!suppressKibitz) // [HGM] kibitz\r
-                       AppendComment(forwardMostMove, StripHighlight(parse));\r
-                   else { // [HGM kibitz: divert memorized engine kibitz to engine-output window\r
-                       int nrDigit = 0, nrAlph = 0, i;\r
-                       if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input\r
-                       { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }\r
-                       parse[parse_pos] = NULLCHAR;\r
-                       // try to be smart: if it does not look like search info, it should go to\r
-                       // ICS interaction window after all, not to engine-output window.\r
-                       for(i=0; i<parse_pos; i++) { // count letters and digits\r
-                           nrDigit += (parse[i] >= '0' && parse[i] <= '9');\r
-                           nrAlph  += (parse[i] >= 'a' && parse[i] <= 'z');\r
-                           nrAlph  += (parse[i] >= 'A' && parse[i] <= 'Z');\r
-                       }\r
-                       if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info\r
-                           int depth=0; float score;\r
-                           if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {\r
-                               // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph\r
-                               pvInfoList[forwardMostMove-1].depth = depth;\r
-                               pvInfoList[forwardMostMove-1].score = 100*score;\r
-                           }\r
-                           OutputKibitz(suppressKibitz, parse);\r
-                       } else {\r
-                           char tmp[MSG_SIZ];\r
-                           sprintf(tmp, _("your opponent kibitzes: %s"), parse);\r
-                           SendToPlayer(tmp, strlen(tmp));\r
-                       }\r
-                   }\r
-                   started = STARTED_NONE;\r
-               } else {\r
-                   /* Don't match patterns against characters in chatter */\r
-                   i++;\r
-                   continue;\r
-               }\r
-           }\r
-           if (started == STARTED_CHATTER) {\r
-               if (buf[i] != '\n') {\r
-                   /* Don't match patterns against characters in chatter */\r
-                   i++;\r
-                   continue;\r
-               }\r
-               started = STARTED_NONE;\r
-           }\r
-\r
-            /* Kludge to deal with rcmd protocol */\r
-           if (firstTime && looking_at(buf, &i, "\001*")) {\r
-               DisplayFatalError(&buf[1], 0, 1);\r
-               continue;\r
-           } else {\r
-               firstTime = FALSE;\r
-           }\r
-\r
-           if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {\r
-               ics_type = ICS_ICC;\r
-               ics_prefix = "/";\r
-               if (appData.debugMode)\r
-                 fprintf(debugFP, "ics_type %d\n", ics_type);\r
-               continue;\r
-           }\r
-           if (!loggedOn && looking_at(buf, &i, "freechess.org")) {\r
-               ics_type = ICS_FICS;\r
-               ics_prefix = "$";\r
-               if (appData.debugMode)\r
-                 fprintf(debugFP, "ics_type %d\n", ics_type);\r
-               continue;\r
-           }\r
-           if (!loggedOn && looking_at(buf, &i, "chess.net")) {\r
-               ics_type = ICS_CHESSNET;\r
-               ics_prefix = "/";\r
-               if (appData.debugMode)\r
-                 fprintf(debugFP, "ics_type %d\n", ics_type);\r
-               continue;\r
-           }\r
-\r
-           if (!loggedOn &&\r
-               (looking_at(buf, &i, "\"*\" is *a registered name") ||\r
-                looking_at(buf, &i, "Logging you in as \"*\"") ||\r
-                looking_at(buf, &i, "will be \"*\""))) {\r
-             strcpy(ics_handle, star_match[0]);\r
-             continue;\r
-           }\r
-\r
-           if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {\r
-             char buf[MSG_SIZ];\r
-             snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);\r
-             DisplayIcsInteractionTitle(buf);\r
-             have_set_title = TRUE;\r
-           }\r
-\r
-           /* skip finger notes */\r
-           if (started == STARTED_NONE &&\r
-               ((buf[i] == ' ' && isdigit(buf[i+1])) ||\r
-                (buf[i] == '1' && buf[i+1] == '0')) &&\r
-               buf[i+2] == ':' && buf[i+3] == ' ') {\r
-             started = STARTED_CHATTER;\r
-             i += 3;\r
-             continue;\r
-           }\r
-\r
-           /* skip formula vars */\r
-           if (started == STARTED_NONE &&\r
-               buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {\r
-             started = STARTED_CHATTER;\r
-             i += 3;\r
-             continue;\r
-           }\r
-\r
-           oldi = i;\r
-           // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window\r
-           if (appData.autoKibitz && started == STARTED_NONE && \r
-                !appData.icsEngineAnalyze &&                     // [HGM] [DM] ICS analyze\r
-               (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {\r
-               if(looking_at(buf, &i, "* kibitzes: ") &&\r
-                  (StrStr(star_match[0], gameInfo.white) == star_match[0] || \r
-                   StrStr(star_match[0], gameInfo.black) == star_match[0]   )) { // kibitz of self or opponent\r
-                       suppressKibitz = TRUE;\r
-                       if((StrStr(star_match[0], gameInfo.white) == star_match[0]\r
-                               && (gameMode == IcsPlayingWhite)) ||\r
-                          (StrStr(star_match[0], gameInfo.black) == star_match[0]\r
-                               && (gameMode == IcsPlayingBlack))   ) // opponent kibitz\r
-                           started = STARTED_CHATTER; // own kibitz we simply discard\r
-                       else {\r
-                           started = STARTED_COMMENT; // make sure it will be collected in parse[]\r
-                           parse_pos = 0; parse[0] = NULLCHAR;\r
-                           savingComment = TRUE;\r
-                           suppressKibitz = gameMode != IcsObserving ? 2 :\r
-                               (StrStr(star_match[0], gameInfo.white) == NULL) + 1;\r
-                       } \r
-                       continue;\r
-               } else\r
-               if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz\r
-                   started = STARTED_CHATTER;\r
-                   suppressKibitz = TRUE;\r
-               }\r
-           } // [HGM] kibitz: end of patch\r
-\r
-           if (appData.zippyTalk || appData.zippyPlay) {\r
-                /* [DM] Backup address for color zippy lines */\r
-                backup = i;\r
-#if ZIPPY\r
-       #ifdef WIN32\r
-               if (loggedOn == TRUE)\r
-                       if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||\r
-                          (appData.zippyPlay && ZippyMatch(buf, &backup)));\r
-       #else\r
-                if (ZippyControl(buf, &i) ||\r
-                    ZippyConverse(buf, &i) ||\r
-                    (appData.zippyPlay && ZippyMatch(buf, &i))) {\r
-                     loggedOn = TRUE;\r
-                      if (!appData.colorize) continue;\r
-               }\r
-       #endif\r
-#endif\r
-           } // [DM] 'else { ' deleted\r
-               if (/* Don't color "message" or "messages" output */\r
-                   (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||\r
-                   looking_at(buf, &i, "*. * at *:*: ") ||\r
-                   looking_at(buf, &i, "--* (*:*): ") ||\r
-                   /* Regular tells and says */\r
-                   (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||\r
-                   looking_at(buf, &i, "* (your partner) tells you: ") ||\r
-                   looking_at(buf, &i, "* says: ") ||\r
-                   /* Message notifications (same color as tells) */\r
-                   looking_at(buf, &i, "* has left a message ") ||\r
-                   looking_at(buf, &i, "* just sent you a message:\n") ||\r
-                   /* Whispers and kibitzes */\r
-                   (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||\r
-                   looking_at(buf, &i, "* kibitzes: ") ||\r
-                   /* Channel tells */\r
-                   (tkind = 3, looking_at(buf, &i, "*(*: "))) {\r
-\r
-                 if (tkind == 1 && strchr(star_match[0], ':')) {\r
-                     /* Avoid "tells you:" spoofs in channels */\r
-                    tkind = 3;\r
-                 }\r
-                 if (star_match[0][0] == NULLCHAR ||\r
-                     strchr(star_match[0], ' ') ||\r
-                     (tkind == 3 && strchr(star_match[1], ' '))) {\r
-                   /* Reject bogus matches */\r
-                   i = oldi;\r
-                 } else {\r
-                   if (appData.colorize) {\r
-                     if (oldi > next_out) {\r
-                       SendToPlayer(&buf[next_out], oldi - next_out);\r
-                       next_out = oldi;\r
-                     }\r
-                     switch (tkind) {\r
-                     case 1:\r
-                       Colorize(ColorTell, FALSE);\r
-                       curColor = ColorTell;\r
-                       break;\r
-                     case 2:\r
-                       Colorize(ColorKibitz, FALSE);\r
-                       curColor = ColorKibitz;\r
-                       break;\r
-                     case 3:\r
-                       p = strrchr(star_match[1], '(');\r
-                       if (p == NULL) {\r
-                         p = star_match[1];\r
-                       } else {\r
-                         p++;\r
-                       }\r
-                       if (atoi(p) == 1) {\r
-                         Colorize(ColorChannel1, FALSE);\r
-                         curColor = ColorChannel1;\r
-                       } else {\r
-                         Colorize(ColorChannel, FALSE);\r
-                         curColor = ColorChannel;\r
-                       }\r
-                       break;\r
-                     case 5:\r
-                       curColor = ColorNormal;\r
-                       break;\r
-                     }\r
-                   }\r
-                   if (started == STARTED_NONE && appData.autoComment &&\r
-                       (gameMode == IcsObserving ||\r
-                        gameMode == IcsPlayingWhite ||\r
-                        gameMode == IcsPlayingBlack)) {\r
-                     parse_pos = i - oldi;\r
-                     memcpy(parse, &buf[oldi], parse_pos);\r
-                     parse[parse_pos] = NULLCHAR;\r
-                     started = STARTED_COMMENT;\r
-                     savingComment = TRUE;\r
-                   } else {\r
-                     started = STARTED_CHATTER;\r
-                     savingComment = FALSE;\r
-                   }\r
-                   loggedOn = TRUE;\r
-                   continue;\r
-                 }\r
-               }\r
-\r
-               if (looking_at(buf, &i, "* s-shouts: ") ||\r
-                   looking_at(buf, &i, "* c-shouts: ")) {\r
-                   if (appData.colorize) {\r
-                       if (oldi > next_out) {\r
-                           SendToPlayer(&buf[next_out], oldi - next_out);\r
-                           next_out = oldi;\r
-                       }\r
-                       Colorize(ColorSShout, FALSE);\r
-                       curColor = ColorSShout;\r
-                   }\r
-                   loggedOn = TRUE;\r
-                   started = STARTED_CHATTER;\r
-                   continue;\r
-               }\r
-\r
-               if (looking_at(buf, &i, "--->")) {\r
-                   loggedOn = TRUE;\r
-                   continue;\r
-               }\r
-\r
-               if (looking_at(buf, &i, "* shouts: ") ||\r
-                   looking_at(buf, &i, "--> ")) {\r
-                   if (appData.colorize) {\r
-                       if (oldi > next_out) {\r
-                           SendToPlayer(&buf[next_out], oldi - next_out);\r
-                           next_out = oldi;\r
-                       }\r
-                       Colorize(ColorShout, FALSE);\r
-                       curColor = ColorShout;\r
-                   }\r
-                   loggedOn = TRUE;\r
-                   started = STARTED_CHATTER;\r
-                   continue;\r
-               }\r
-\r
-               if (looking_at( buf, &i, "Challenge:")) {\r
-                   if (appData.colorize) {\r
-                       if (oldi > next_out) {\r
-                           SendToPlayer(&buf[next_out], oldi - next_out);\r
-                           next_out = oldi;\r
-                       }\r
-                       Colorize(ColorChallenge, FALSE);\r
-                       curColor = ColorChallenge;\r
-                   }\r
-                   loggedOn = TRUE;\r
-                   continue;\r
-               }\r
-\r
-               if (looking_at(buf, &i, "* offers you") ||\r
-                   looking_at(buf, &i, "* offers to be") ||\r
-                   looking_at(buf, &i, "* would like to") ||\r
-                   looking_at(buf, &i, "* requests to") ||\r
-                   looking_at(buf, &i, "Your opponent offers") ||\r
-                   looking_at(buf, &i, "Your opponent requests")) {\r
-\r
-                   if (appData.colorize) {\r
-                       if (oldi > next_out) {\r
-                           SendToPlayer(&buf[next_out], oldi - next_out);\r
-                           next_out = oldi;\r
-                       }\r
-                       Colorize(ColorRequest, FALSE);\r
-                       curColor = ColorRequest;\r
-                   }\r
-                   continue;\r
-               }\r
-\r
-               if (looking_at(buf, &i, "* (*) seeking")) {\r
-                   if (appData.colorize) {\r
-                       if (oldi > next_out) {\r
-                           SendToPlayer(&buf[next_out], oldi - next_out);\r
-                           next_out = oldi;\r
-                       }\r
-                       Colorize(ColorSeek, FALSE);\r
-                       curColor = ColorSeek;\r
-                   }\r
-                   continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i, "\\   ")) {\r
-               if (prevColor != ColorNormal) {\r
-                   if (oldi > next_out) {\r
-                       SendToPlayer(&buf[next_out], oldi - next_out);\r
-                       next_out = oldi;\r
-                   }\r
-                   Colorize(prevColor, TRUE);\r
-                   curColor = prevColor;\r
-               }\r
-               if (savingComment) {\r
-                   parse_pos = i - oldi;\r
-                   memcpy(parse, &buf[oldi], parse_pos);\r
-                   parse[parse_pos] = NULLCHAR;\r
-                   started = STARTED_COMMENT;\r
-               } else {\r
-                   started = STARTED_CHATTER;\r
-               }\r
-               continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i, "Black Strength :") ||\r
-               looking_at(buf, &i, "<<< style 10 board >>>") ||\r
-               looking_at(buf, &i, "<10>") ||\r
-               looking_at(buf, &i, "#@#")) {\r
-               /* Wrong board style */\r
-               loggedOn = TRUE;\r
-               SendToICS(ics_prefix);\r
-               SendToICS("set style 12\n");\r
-               SendToICS(ics_prefix);\r
-               SendToICS("refresh\n");\r
-               continue;\r
-           }\r
-           \r
-           if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {\r
-               ICSInitScript();\r
-               have_sent_ICS_logon = 1;\r
-               continue;\r
-           }\r
-             \r
-           if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ && \r
-               (looking_at(buf, &i, "\n<12> ") ||\r
-                looking_at(buf, &i, "<12> "))) {\r
-               loggedOn = TRUE;\r
-               if (oldi > next_out) {\r
-                   SendToPlayer(&buf[next_out], oldi - next_out);\r
-               }\r
-               next_out = i;\r
-               started = STARTED_BOARD;\r
-               parse_pos = 0;\r
-               continue;\r
-           }\r
-\r
-           if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||\r
-               looking_at(buf, &i, "<b1> ")) {\r
-               if (oldi > next_out) {\r
-                   SendToPlayer(&buf[next_out], oldi - next_out);\r
-               }\r
-               next_out = i;\r
-               started = STARTED_HOLDINGS;\r
-               parse_pos = 0;\r
-               continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i, "* *vs. * *--- *")) {\r
-               loggedOn = TRUE;\r
-               /* Header for a move list -- first line */\r
-\r
-               switch (ics_getting_history) {\r
-                 case H_FALSE:\r
-                   switch (gameMode) {\r
-                     case IcsIdle:\r
-                     case BeginningOfGame:\r
-                       /* User typed "moves" or "oldmoves" while we\r
-                          were idle.  Pretend we asked for these\r
-                          moves and soak them up so user can step\r
-                          through them and/or save them.\r
-                          */\r
-                       Reset(FALSE, TRUE);\r
-                       gameMode = IcsObserving;\r
-                       ModeHighlight();\r
-                       ics_gamenum = -1;\r
-                       ics_getting_history = H_GOT_UNREQ_HEADER;\r
-                       break;\r
-                     case EditGame: /*?*/\r
-                     case EditPosition: /*?*/\r
-                       /* Should above feature work in these modes too? */\r
-                       /* For now it doesn't */\r
-                       ics_getting_history = H_GOT_UNWANTED_HEADER;\r
-                       break;\r
-                     default:\r
-                       ics_getting_history = H_GOT_UNWANTED_HEADER;\r
-                       break;\r
-                   }\r
-                   break;\r
-                 case H_REQUESTED:\r
-                   /* Is this the right one? */\r
-                   if (gameInfo.white && gameInfo.black &&\r
-                       strcmp(gameInfo.white, star_match[0]) == 0 &&\r
-                       strcmp(gameInfo.black, star_match[2]) == 0) {\r
-                       /* All is well */\r
-                       ics_getting_history = H_GOT_REQ_HEADER;\r
-                   }\r
-                   break;\r
-                 case H_GOT_REQ_HEADER:\r
-                 case H_GOT_UNREQ_HEADER:\r
-                 case H_GOT_UNWANTED_HEADER:\r
-                 case H_GETTING_MOVES:\r
-                   /* Should not happen */\r
-                   DisplayError(_("Error gathering move list: two headers"), 0);\r
-                   ics_getting_history = H_FALSE;\r
-                   break;\r
-               }\r
-\r
-               /* Save player ratings into gameInfo if needed */\r
-               if ((ics_getting_history == H_GOT_REQ_HEADER ||\r
-                    ics_getting_history == H_GOT_UNREQ_HEADER) &&\r
-                   (gameInfo.whiteRating == -1 ||\r
-                    gameInfo.blackRating == -1)) {\r
-\r
-                   gameInfo.whiteRating = string_to_rating(star_match[1]);\r
-                   gameInfo.blackRating = string_to_rating(star_match[3]);\r
-                   if (appData.debugMode)\r
-                     fprintf(debugFP, _("Ratings from header: W %d, B %d\n"), \r
-                             gameInfo.whiteRating, gameInfo.blackRating);\r
-               }\r
-               continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i,\r
-             "* * match, initial time: * minute*, increment: * second")) {\r
-               /* Header for a move list -- second line */\r
-               /* Initial board will follow if this is a wild game */\r
-               if (gameInfo.event != NULL) free(gameInfo.event);\r
-               sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);\r
-               gameInfo.event = StrSave(str);\r
-                /* [HGM] we switched variant. Translate boards if needed. */\r
-                VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));\r
-               continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i, "Move  ")) {\r
-               /* Beginning of a move list */\r
-               switch (ics_getting_history) {\r
-                 case H_FALSE:\r
-                   /* Normally should not happen */\r
-                   /* Maybe user hit reset while we were parsing */\r
-                   break;\r
-                 case H_REQUESTED:\r
-                   /* Happens if we are ignoring a move list that is not\r
-                    * the one we just requested.  Common if the user\r
-                    * tries to observe two games without turning off\r
-                    * getMoveList */\r
-                   break;\r
-                 case H_GETTING_MOVES:\r
-                   /* Should not happen */\r
-                   DisplayError(_("Error gathering move list: nested"), 0);\r
-                   ics_getting_history = H_FALSE;\r
-                   break;\r
-                 case H_GOT_REQ_HEADER:\r
-                   ics_getting_history = H_GETTING_MOVES;\r
-                   started = STARTED_MOVES;\r
-                   parse_pos = 0;\r
-                   if (oldi > next_out) {\r
-                       SendToPlayer(&buf[next_out], oldi - next_out);\r
-                   }\r
-                   break;\r
-                 case H_GOT_UNREQ_HEADER:\r
-                   ics_getting_history = H_GETTING_MOVES;\r
-                   started = STARTED_MOVES_NOHIDE;\r
-                   parse_pos = 0;\r
-                   break;\r
-                 case H_GOT_UNWANTED_HEADER:\r
-                   ics_getting_history = H_FALSE;\r
-                   break;\r
-               }\r
-               continue;\r
-           }                           \r
-           \r
-           if (looking_at(buf, &i, "% ") ||\r
-               ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)\r
-                && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book\r
-               savingComment = FALSE;\r
-               switch (started) {\r
-                 case STARTED_MOVES:\r
-                 case STARTED_MOVES_NOHIDE:\r
-                   memcpy(&parse[parse_pos], &buf[oldi], i - oldi);\r
-                   parse[parse_pos + i - oldi] = NULLCHAR;\r
-                   ParseGameHistory(parse);\r
-#if ZIPPY\r
-                   if (appData.zippyPlay && first.initDone) {\r
-                       FeedMovesToProgram(&first, forwardMostMove);\r
-                       if (gameMode == IcsPlayingWhite) {\r
-                           if (WhiteOnMove(forwardMostMove)) {\r
-                               if (first.sendTime) {\r
-                                 if (first.useColors) {\r
-                                   SendToProgram("black\n", &first); \r
-                                 }\r
-                                 SendTimeRemaining(&first, TRUE);\r
-                               }\r
-#if 0\r
-                               if (first.useColors) {\r
-                                 SendToProgram("white\ngo\n", &first);\r
-                               } else {\r
-                                 SendToProgram("go\n", &first);\r
-                               }\r
-#else\r
-                               if (first.useColors) {\r
-                                 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent\r
-                               }\r
-                               bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos\r
-#endif\r
-                               first.maybeThinking = TRUE;\r
-                           } else {\r
-                               if (first.usePlayother) {\r
-                                 if (first.sendTime) {\r
-                                   SendTimeRemaining(&first, TRUE);\r
-                                 }\r
-                                 SendToProgram("playother\n", &first);\r
-                                 firstMove = FALSE;\r
-                               } else {\r
-                                 firstMove = TRUE;\r
-                               }\r
-                           }\r
-                       } else if (gameMode == IcsPlayingBlack) {\r
-                           if (!WhiteOnMove(forwardMostMove)) {\r
-                               if (first.sendTime) {\r
-                                 if (first.useColors) {\r
-                                   SendToProgram("white\n", &first);\r
-                                 }\r
-                                 SendTimeRemaining(&first, FALSE);\r
-                               }\r
-#if 0\r
-                               if (first.useColors) {\r
-                                 SendToProgram("black\ngo\n", &first);\r
-                               } else {\r
-                                 SendToProgram("go\n", &first);\r
-                               }\r
-#else\r
-                               if (first.useColors) {\r
-                                 SendToProgram("black\n", &first);\r
-                               }\r
-                               bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);\r
-#endif\r
-                               first.maybeThinking = TRUE;\r
-                           } else {\r
-                               if (first.usePlayother) {\r
-                                 if (first.sendTime) {\r
-                                   SendTimeRemaining(&first, FALSE);\r
-                                 }\r
-                                 SendToProgram("playother\n", &first);\r
-                                 firstMove = FALSE;\r
-                               } else {\r
-                                 firstMove = TRUE;\r
-                               }\r
-                           }\r
-                       }                       \r
-                   }\r
-#endif\r
-                   if (gameMode == IcsObserving && ics_gamenum == -1) {\r
-                       /* Moves came from oldmoves or moves command\r
-                          while we weren't doing anything else.\r
-                          */\r
-                       currentMove = forwardMostMove;\r
-                       ClearHighlights();/*!!could figure this out*/\r
-                       flipView = appData.flipView;\r
-                       DrawPosition(FALSE, boards[currentMove]);\r
-                       DisplayBothClocks();\r
-                       sprintf(str, "%s vs. %s",\r
-                               gameInfo.white, gameInfo.black);\r
-                       DisplayTitle(str);\r
-                       gameMode = IcsIdle;\r
-                   } else {\r
-                       /* Moves were history of an active game */\r
-                       if (gameInfo.resultDetails != NULL) {\r
-                           free(gameInfo.resultDetails);\r
-                           gameInfo.resultDetails = NULL;\r
-                       }\r
-                   }\r
-                   HistorySet(parseList, backwardMostMove,\r
-                              forwardMostMove, currentMove-1);\r
-                   DisplayMove(currentMove - 1);\r
-                   if (started == STARTED_MOVES) next_out = i;\r
-                   started = STARTED_NONE;\r
-                   ics_getting_history = H_FALSE;\r
-                   break;\r
-\r
-                 case STARTED_OBSERVE:\r
-                   started = STARTED_NONE;\r
-                   SendToICS(ics_prefix);\r
-                   SendToICS("refresh\n");\r
-                   break;\r
-\r
-                 default:\r
-                   break;\r
-               }\r
-               if(bookHit) { // [HGM] book: simulate book reply\r
-                   static char bookMove[MSG_SIZ]; // a bit generous?\r
-\r
-                   programStats.nodes = programStats.depth = programStats.time = \r
-                   programStats.score = programStats.got_only_move = 0;\r
-                   sprintf(programStats.movelist, "%s (xbook)", bookHit);\r
-\r
-                   strcpy(bookMove, "move ");\r
-                   strcat(bookMove, bookHit);\r
-                   HandleMachineMove(bookMove, &first);\r
-               }\r
-               continue;\r
-           }\r
-           \r
-           if ((started == STARTED_MOVES || started == STARTED_BOARD ||\r
-                started == STARTED_HOLDINGS ||\r
-                started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {\r
-               /* Accumulate characters in move list or board */\r
-               parse[parse_pos++] = buf[i];\r
-           }\r
-           \r
-           /* Start of game messages.  Mostly we detect start of game\r
-              when the first board image arrives.  On some versions\r
-              of the ICS, though, we need to do a "refresh" after starting\r
-              to observe in order to get the current board right away. */\r
-           if (looking_at(buf, &i, "Adding game * to observation list")) {\r
-               started = STARTED_OBSERVE;\r
-               continue;\r
-           }\r
-\r
-           /* Handle auto-observe */\r
-           if (appData.autoObserve &&\r
-               (gameMode == IcsIdle || gameMode == BeginningOfGame) &&\r
-               looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {\r
-               char *player;\r
-               /* Choose the player that was highlighted, if any. */\r
-               if (star_match[0][0] == '\033' ||\r
-                   star_match[1][0] != '\033') {\r
-                   player = star_match[0];\r
-               } else {\r
-                   player = star_match[2];\r
-               }\r
-               sprintf(str, "%sobserve %s\n",\r
-                       ics_prefix, StripHighlightAndTitle(player));\r
-               SendToICS(str);\r
-\r
-               /* Save ratings from notify string */\r
-               strcpy(player1Name, star_match[0]);\r
-               player1Rating = string_to_rating(star_match[1]);\r
-               strcpy(player2Name, star_match[2]);\r
-               player2Rating = string_to_rating(star_match[3]);\r
-\r
-               if (appData.debugMode)\r
-                 fprintf(debugFP, \r
-                         "Ratings from 'Game notification:' %s %d, %s %d\n",\r
-                         player1Name, player1Rating,\r
-                         player2Name, player2Rating);\r
-\r
-               continue;\r
-           }\r
-\r
-           /* Deal with automatic examine mode after a game,\r
-              and with IcsObserving -> IcsExamining transition */\r
-           if (looking_at(buf, &i, "Entering examine mode for game *") ||\r
-               looking_at(buf, &i, "has made you an examiner of game *")) {\r
-\r
-               int gamenum = atoi(star_match[0]);\r
-               if ((gameMode == IcsIdle || gameMode == IcsObserving) &&\r
-                   gamenum == ics_gamenum) {\r
-                   /* We were already playing or observing this game;\r
-                      no need to refetch history */\r
-                   gameMode = IcsExamining;\r
-                   if (pausing) {\r
-                       pauseExamForwardMostMove = forwardMostMove;\r
-                   } else if (currentMove < forwardMostMove) {\r
-                       ForwardInner(forwardMostMove);\r
-                   }\r
-               } else {\r
-                   /* I don't think this case really can happen */\r
-                   SendToICS(ics_prefix);\r
-                   SendToICS("refresh\n");\r
-               }\r
-               continue;\r
-           }    \r
-           \r
-           /* Error messages */\r
-           if (ics_user_moved) {\r
-               if (looking_at(buf, &i, "Illegal move") ||\r
-                   looking_at(buf, &i, "Not a legal move") ||\r
-                   looking_at(buf, &i, "Your king is in check") ||\r
-                   looking_at(buf, &i, "It isn't your turn") ||\r
-                   looking_at(buf, &i, "It is not your move")) {\r
-                   /* Illegal move */\r
-                   ics_user_moved = 0;\r
-                   if (forwardMostMove > backwardMostMove) {\r
-                       currentMove = --forwardMostMove;\r
-                       DisplayMove(currentMove - 1); /* before DMError */\r
-                       DisplayMoveError(_("Illegal move (rejected by ICS)"));\r
-                       DrawPosition(FALSE, boards[currentMove]);\r
-                       SwitchClocks();\r
-                       DisplayBothClocks();\r
-                   }\r
-                   continue;\r
-               }\r
-           }\r
-\r
-           if (looking_at(buf, &i, "still have time") ||\r
-               looking_at(buf, &i, "not out of time") ||\r
-               looking_at(buf, &i, "either player is out of time") ||\r
-               looking_at(buf, &i, "has timeseal; checking")) {\r
-               /* We must have called his flag a little too soon */\r
-               whiteFlag = blackFlag = FALSE;\r
-               continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i, "added * seconds to") ||\r
-               looking_at(buf, &i, "seconds were added to")) {\r
-               /* Update the clocks */\r
-               SendToICS(ics_prefix);\r
-               SendToICS("refresh\n");\r
-               continue;\r
-           }\r
-\r
-           if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {\r
-               ics_clock_paused = TRUE;\r
-               StopClocks();\r
-               continue;\r
-           }\r
-\r
-           if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {\r
-               ics_clock_paused = FALSE;\r
-               StartClocks();\r
-               continue;\r
-           }\r
-\r
-           /* Grab player ratings from the Creating: message.\r
-              Note we have to check for the special case when\r
-              the ICS inserts things like [white] or [black]. */\r
-           if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||\r
-               looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {\r
-               /* star_matches:\r
-                  0    player 1 name (not necessarily white)\r
-                  1    player 1 rating\r
-                  2    empty, white, or black (IGNORED)\r
-                  3    player 2 name (not necessarily black)\r
-                  4    player 2 rating\r
-                  \r
-                  The names/ratings are sorted out when the game\r
-                  actually starts (below).\r
-               */\r
-               strcpy(player1Name, StripHighlightAndTitle(star_match[0]));\r
-               player1Rating = string_to_rating(star_match[1]);\r
-               strcpy(player2Name, StripHighlightAndTitle(star_match[3]));\r
-               player2Rating = string_to_rating(star_match[4]);\r
-\r
-               if (appData.debugMode)\r
-                 fprintf(debugFP, \r
-                         "Ratings from 'Creating:' %s %d, %s %d\n",\r
-                         player1Name, player1Rating,\r
-                         player2Name, player2Rating);\r
-\r
-               continue;\r
-           }\r
-           \r
-           /* Improved generic start/end-of-game messages */\r
-           if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||\r
-               (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){\r
-               /* If tkind == 0: */\r
-               /* star_match[0] is the game number */\r
-               /*           [1] is the white player's name */\r
-               /*           [2] is the black player's name */\r
-               /* For end-of-game: */\r
-               /*           [3] is the reason for the game end */\r
-               /*           [4] is a PGN end game-token, preceded by " " */\r
-               /* For start-of-game: */\r
-               /*           [3] begins with "Creating" or "Continuing" */\r
-               /*           [4] is " *" or empty (don't care). */\r
-               int gamenum = atoi(star_match[0]);\r
-               char *whitename, *blackname, *why, *endtoken;\r
-               ChessMove endtype = (ChessMove) 0;\r
-\r
-               if (tkind == 0) {\r
-                 whitename = star_match[1];\r
-                 blackname = star_match[2];\r
-                 why = star_match[3];\r
-                 endtoken = star_match[4];\r
-               } else {\r
-                 whitename = star_match[1];\r
-                 blackname = star_match[3];\r
-                 why = star_match[5];\r
-                 endtoken = star_match[6];\r
-               }\r
-\r
-                /* Game start messages */\r
-               if (strncmp(why, "Creating ", 9) == 0 ||\r
-                   strncmp(why, "Continuing ", 11) == 0) {\r
-                   gs_gamenum = gamenum;\r
-                   strcpy(gs_kind, strchr(why, ' ') + 1);\r
-#if ZIPPY\r
-                   if (appData.zippyPlay) {\r
-                       ZippyGameStart(whitename, blackname);\r
-                   }\r
-#endif /*ZIPPY*/\r
-                   continue;\r
-               }\r
-\r
-               /* Game end messages */\r
-               if (gameMode == IcsIdle || gameMode == BeginningOfGame ||\r
-                   ics_gamenum != gamenum) {\r
-                   continue;\r
-               }\r
-               while (endtoken[0] == ' ') endtoken++;\r
-               switch (endtoken[0]) {\r
-                 case '*':\r
-                 default:\r
-                   endtype = GameUnfinished;\r
-                   break;\r
-                 case '0':\r
-                   endtype = BlackWins;\r
-                   break;\r
-                 case '1':\r
-                   if (endtoken[1] == '/')\r
-                     endtype = GameIsDrawn;\r
-                   else\r
-                     endtype = WhiteWins;\r
-                   break;\r
-               }\r
-               GameEnds(endtype, why, GE_ICS);\r
-#if ZIPPY\r
-               if (appData.zippyPlay && first.initDone) {\r
-                   ZippyGameEnd(endtype, why);\r
-                   if (first.pr == NULL) {\r
-                     /* Start the next process early so that we'll\r
-                        be ready for the next challenge */\r
-                     StartChessProgram(&first);\r
-                   }\r
-                   /* Send "new" early, in case this command takes\r
-                      a long time to finish, so that we'll be ready\r
-                      for the next challenge. */\r
-                   gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'\r
-                   Reset(TRUE, TRUE);\r
-               }\r
-#endif /*ZIPPY*/\r
-               continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i, "Removing game * from observation") ||\r
-               looking_at(buf, &i, "no longer observing game *") ||\r
-               looking_at(buf, &i, "Game * (*) has no examiners")) {\r
-               if (gameMode == IcsObserving &&\r
-                   atoi(star_match[0]) == ics_gamenum)\r
-                 {\r
-                      /* icsEngineAnalyze */\r
-                      if (appData.icsEngineAnalyze) {\r
-                            ExitAnalyzeMode();\r
-                            ModeHighlight();\r
-                      }\r
-                     StopClocks();\r
-                     gameMode = IcsIdle;\r
-                     ics_gamenum = -1;\r
-                     ics_user_moved = FALSE;\r
-                 }\r
-               continue;\r
-           }\r
-\r
-           if (looking_at(buf, &i, "no longer examining game *")) {\r
-               if (gameMode == IcsExamining &&\r
-                   atoi(star_match[0]) == ics_gamenum)\r
-                 {\r
-                     gameMode = IcsIdle;\r
-                     ics_gamenum = -1;\r
-                     ics_user_moved = FALSE;\r
-                 }\r
-               continue;\r
-           }\r
-\r
-           /* Advance leftover_start past any newlines we find,\r
-              so only partial lines can get reparsed */\r
-           if (looking_at(buf, &i, "\n")) {\r
-               prevColor = curColor;\r
-               if (curColor != ColorNormal) {\r
-                   if (oldi > next_out) {\r
-                       SendToPlayer(&buf[next_out], oldi - next_out);\r
-                       next_out = oldi;\r
-                   }\r
-                   Colorize(ColorNormal, FALSE);\r
-                   curColor = ColorNormal;\r
-               }\r
-               if (started == STARTED_BOARD) {\r
-                   started = STARTED_NONE;\r
-                   parse[parse_pos] = NULLCHAR;\r
-                   ParseBoard12(parse);\r
-                   ics_user_moved = 0;\r
-\r
-                   /* Send premove here */\r
-                   if (appData.premove) {\r
-                     char str[MSG_SIZ];\r
-                     if (currentMove == 0 &&\r
-                         gameMode == IcsPlayingWhite &&\r
-                         appData.premoveWhite) {\r
-                       sprintf(str, "%s%s\n", ics_prefix,\r
-                               appData.premoveWhiteText);\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "Sending premove:\n");\r
-                       SendToICS(str);\r
-                     } else if (currentMove == 1 &&\r
-                                gameMode == IcsPlayingBlack &&\r
-                                appData.premoveBlack) {\r
-                       sprintf(str, "%s%s\n", ics_prefix,\r
-                               appData.premoveBlackText);\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "Sending premove:\n");\r
-                       SendToICS(str);\r
-                     } else if (gotPremove) {\r
-                       gotPremove = 0;\r
-                       ClearPremoveHighlights();\r
-                       if (appData.debugMode)\r
-                         fprintf(debugFP, "Sending premove:\n");\r
-                          UserMoveEvent(premoveFromX, premoveFromY, \r
-                                       premoveToX, premoveToY, \r
-                                        premovePromoChar);\r
-                     }\r
-                   }\r
-\r
-                   /* Usually suppress following prompt */\r
-                   if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {\r
-                       if (looking_at(buf, &i, "*% ")) {\r
-                           savingComment = FALSE;\r
-                       }\r
-                   }\r
-                   next_out = i;\r
-               } else if (started == STARTED_HOLDINGS) {\r
-                   int gamenum;\r
-                   char new_piece[MSG_SIZ];\r
-                   started = STARTED_NONE;\r
-                   parse[parse_pos] = NULLCHAR;\r
-                   if (appData.debugMode)\r
-                      fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",\r
-                                                        parse, currentMove);\r
-                   if (sscanf(parse, " game %d", &gamenum) == 1 &&\r
-                       gamenum == ics_gamenum) {\r
-                       if (gameInfo.variant == VariantNormal) {\r
-                          /* [HGM] We seem to switch variant during a game!\r
-                           * Presumably no holdings were displayed, so we have\r
-                           * to move the position two files to the right to\r
-                           * create room for them!\r
-                           */\r
-                          VariantSwitch(boards[currentMove], VariantCrazyhouse); /* temp guess */\r
-                         /* Get a move list just to see the header, which\r
-                            will tell us whether this is really bug or zh */\r
-                         if (ics_getting_history == H_FALSE) {\r
-                           ics_getting_history = H_REQUESTED;\r
-                           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);\r
-                           SendToICS(str);\r
-                         }\r
-                       }\r
-                       new_piece[0] = NULLCHAR;\r
-                       sscanf(parse, "game %d white [%s black [%s <- %s",\r
-                              &gamenum, white_holding, black_holding,\r
-                              new_piece);\r
-                        white_holding[strlen(white_holding)-1] = NULLCHAR;\r
-                        black_holding[strlen(black_holding)-1] = NULLCHAR;\r
-                        /* [HGM] copy holdings to board holdings area */\r
-                        CopyHoldings(boards[currentMove], white_holding, WhitePawn);\r
-                        CopyHoldings(boards[currentMove], black_holding, BlackPawn);\r
-#if ZIPPY\r
-                       if (appData.zippyPlay && first.initDone) {\r
-                           ZippyHoldings(white_holding, black_holding,\r
-                                         new_piece);\r
-                       }\r
-#endif /*ZIPPY*/\r
-                       if (tinyLayout || smallLayout) {\r
-                           char wh[16], bh[16];\r
-                           PackHolding(wh, white_holding);\r
-                           PackHolding(bh, black_holding);\r
-                           sprintf(str, "[%s-%s] %s-%s", wh, bh,\r
-                                   gameInfo.white, gameInfo.black);\r
-                       } else {\r
-                           sprintf(str, "%s [%s] vs. %s [%s]",\r
-                                   gameInfo.white, white_holding,\r
-                                   gameInfo.black, black_holding);\r
-                       }\r
-\r
-                        DrawPosition(FALSE, boards[currentMove]);\r
-                       DisplayTitle(str);\r
-                   }\r
-                   /* Suppress following prompt */\r
-                   if (looking_at(buf, &i, "*% ")) {\r
-                       savingComment = FALSE;\r
-                   }\r
-                   next_out = i;\r
-               }\r
-               continue;\r
-           }\r
-\r
-           i++;                /* skip unparsed character and loop back */\r
-       }\r
-       \r
-       if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window\r
-           started != STARTED_HOLDINGS && i > next_out) {\r
-           SendToPlayer(&buf[next_out], i - next_out);\r
-           next_out = i;\r
-       }\r
-       suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above\r
-       \r
-       leftover_len = buf_len - leftover_start;\r
-       /* if buffer ends with something we couldn't parse,\r
-          reparse it after appending the next read */\r
-       \r
-    } else if (count == 0) {\r
-       RemoveInputSource(isr);\r
-        DisplayFatalError(_("Connection closed by ICS"), 0, 0);\r
-    } else {\r
-       DisplayFatalError(_("Error reading from ICS"), error, 1);\r
-    }\r
-}\r
-\r
-\r
-/* Board style 12 looks like this:\r
-   \r
-   <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0\r
-   \r
- * The "<12> " is stripped before it gets to this routine.  The two\r
- * trailing 0's (flip state and clock ticking) are later addition, and\r
- * some chess servers may not have them, or may have only the first.\r
- * Additional trailing fields may be added in the future.  \r
- */\r
-\r
-#define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"\r
-\r
-#define RELATION_OBSERVING_PLAYED    0\r
-#define RELATION_OBSERVING_STATIC   -2   /* examined, oldmoves, or smoves */\r
-#define RELATION_PLAYING_MYMOVE      1\r
-#define RELATION_PLAYING_NOTMYMOVE  -1\r
-#define RELATION_EXAMINING           2\r
-#define RELATION_ISOLATED_BOARD     -3\r
-#define RELATION_STARTING_POSITION  -4   /* FICS only */\r
-\r
-void\r
-ParseBoard12(string)\r
-     char *string;\r
-{ \r
-    GameMode newGameMode;\r
-    int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;\r
-    int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;\r
-    int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;\r
-    char to_play, board_chars[200];\r
-    char move_str[500], str[500], elapsed_time[500];\r
-    char black[32], white[32];\r
-    Board board;\r
-    int prevMove = currentMove;\r
-    int ticking = 2;\r
-    ChessMove moveType;\r
-    int fromX, fromY, toX, toY;\r
-    char promoChar;\r
-    int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */\r
-    char *bookHit = NULL; // [HGM] book\r
-\r
-    fromX = fromY = toX = toY = -1;\r
-    \r
-    newGame = FALSE;\r
-\r
-    if (appData.debugMode)\r
-      fprintf(debugFP, _("Parsing board: %s\n"), string);\r
-\r
-    move_str[0] = NULLCHAR;\r
-    elapsed_time[0] = NULLCHAR;\r
-    {   /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */\r
-        int  i = 0, j;\r
-        while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {\r
-           if(string[i] == ' ') { ranks++; files = 0; }\r
-            else files++;\r
-           i++;\r
-       }\r
-       for(j = 0; j <i; j++) board_chars[j] = string[j];\r
-        board_chars[i] = '\0';\r
-       string += i + 1;\r
-    }\r
-    n = sscanf(string, PATTERN, &to_play, &double_push,\r
-              &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,\r
-              &gamenum, white, black, &relation, &basetime, &increment,\r
-              &white_stren, &black_stren, &white_time, &black_time,\r
-              &moveNum, str, elapsed_time, move_str, &ics_flip,\r
-              &ticking);\r
-\r
-    if (n < 21) {\r
-        snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);\r
-       DisplayError(str, 0);\r
-       return;\r
-    }\r
-\r
-    /* Convert the move number to internal form */\r
-    moveNum = (moveNum - 1) * 2;\r
-    if (to_play == 'B') moveNum++;\r
-    if (moveNum >= MAX_MOVES) {\r
-      DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),\r
-                       0, 1);\r
-      return;\r
-    }\r
-    \r
-    switch (relation) {\r
-      case RELATION_OBSERVING_PLAYED:\r
-      case RELATION_OBSERVING_STATIC:\r
-       if (gamenum == -1) {\r
-           /* Old ICC buglet */\r
-           relation = RELATION_OBSERVING_STATIC;\r
-       }\r
-       newGameMode = IcsObserving;\r
-       break;\r
-      case RELATION_PLAYING_MYMOVE:\r
-      case RELATION_PLAYING_NOTMYMOVE:\r
-       newGameMode =\r
-         ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?\r
-           IcsPlayingWhite : IcsPlayingBlack;\r
-       break;\r
-      case RELATION_EXAMINING:\r
-       newGameMode = IcsExamining;\r
-       break;\r
-      case RELATION_ISOLATED_BOARD:\r
-      default:\r
-       /* Just display this board.  If user was doing something else,\r
-          we will forget about it until the next board comes. */ \r
-       newGameMode = IcsIdle;\r
-       break;\r
-      case RELATION_STARTING_POSITION:\r
-       newGameMode = gameMode;\r
-       break;\r
-    }\r
-    \r
-    /* Modify behavior for initial board display on move listing\r
-       of wild games.\r
-       */\r
-    switch (ics_getting_history) {\r
-      case H_FALSE:\r
-      case H_REQUESTED:\r
-       break;\r
-      case H_GOT_REQ_HEADER:\r
-      case H_GOT_UNREQ_HEADER:\r
-       /* This is the initial position of the current game */\r
-       gamenum = ics_gamenum;\r
-       moveNum = 0;            /* old ICS bug workaround */\r
-       if (to_play == 'B') {\r
-         startedFromSetupPosition = TRUE;\r
-         blackPlaysFirst = TRUE;\r
-         moveNum = 1;\r
-         if (forwardMostMove == 0) forwardMostMove = 1;\r
-         if (backwardMostMove == 0) backwardMostMove = 1;\r
-         if (currentMove == 0) currentMove = 1;\r
-       }\r
-       newGameMode = gameMode;\r
-       relation = RELATION_STARTING_POSITION; /* ICC needs this */\r
-       break;\r
-      case H_GOT_UNWANTED_HEADER:\r
-       /* This is an initial board that we don't want */\r
-       return;\r
-      case H_GETTING_MOVES:\r
-       /* Should not happen */\r
-       DisplayError(_("Error gathering move list: extra board"), 0);\r
-       ics_getting_history = H_FALSE;\r
-       return;\r
-    }\r
-    \r
-    /* Take action if this is the first board of a new game, or of a\r
-       different game than is currently being displayed.  */\r
-    if (gamenum != ics_gamenum || newGameMode != gameMode ||\r
-       relation == RELATION_ISOLATED_BOARD) {\r
-       \r
-       /* Forget the old game and get the history (if any) of the new one */\r
-       if (gameMode != BeginningOfGame) {\r
-         Reset(FALSE, TRUE);\r
-       }\r
-       newGame = TRUE;\r
-       if (appData.autoRaiseBoard) BoardToTop();\r
-       prevMove = -3;\r
-       if (gamenum == -1) {\r
-           newGameMode = IcsIdle;\r
-       } else if (moveNum > 0 && newGameMode != IcsIdle &&\r
-                  appData.getMoveList) {\r
-           /* Need to get game history */\r
-           ics_getting_history = H_REQUESTED;\r
-           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);\r
-           SendToICS(str);\r
-       }\r
-       \r
-       /* Initially flip the board to have black on the bottom if playing\r
-          black or if the ICS flip flag is set, but let the user change\r
-          it with the Flip View button. */\r
-       flipView = appData.autoFlipView ? \r
-         (newGameMode == IcsPlayingBlack) || ics_flip :\r
-         appData.flipView;\r
-       \r
-       /* Done with values from previous mode; copy in new ones */\r
-       gameMode = newGameMode;\r
-       ModeHighlight();\r
-       ics_gamenum = gamenum;\r
-       if (gamenum == gs_gamenum) {\r
-           int klen = strlen(gs_kind);\r
-           if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;\r
-           sprintf(str, "ICS %s", gs_kind);\r
-           gameInfo.event = StrSave(str);\r
-       } else {\r
-           gameInfo.event = StrSave("ICS game");\r
-       }\r
-       gameInfo.site = StrSave(appData.icsHost);\r
-       gameInfo.date = PGNDate();\r
-       gameInfo.round = StrSave("-");\r
-       gameInfo.white = StrSave(white);\r
-       gameInfo.black = StrSave(black);\r
-       timeControl = basetime * 60 * 1000;\r
-        timeControl_2 = 0;\r
-       timeIncrement = increment * 1000;\r
-       movesPerSession = 0;\r
-       gameInfo.timeControl = TimeControlTagValue();\r
-        VariantSwitch(board, StringToVariant(gameInfo.event) );\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);\r
-    fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));\r
-    setbuf(debugFP, NULL);\r
-  }\r
-\r
-        gameInfo.outOfBook = NULL;\r
-       \r
-       /* Do we have the ratings? */\r
-       if (strcmp(player1Name, white) == 0 &&\r
-           strcmp(player2Name, black) == 0) {\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Remembered ratings: W %d, B %d\n",\r
-                     player1Rating, player2Rating);\r
-           gameInfo.whiteRating = player1Rating;\r
-           gameInfo.blackRating = player2Rating;\r
-       } else if (strcmp(player2Name, white) == 0 &&\r
-                  strcmp(player1Name, black) == 0) {\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Remembered ratings: W %d, B %d\n",\r
-                     player2Rating, player1Rating);\r
-           gameInfo.whiteRating = player2Rating;\r
-           gameInfo.blackRating = player1Rating;\r
-       }\r
-       player1Name[0] = player2Name[0] = NULLCHAR;\r
-\r
-       /* Silence shouts if requested */\r
-       if (appData.quietPlay &&\r
-           (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {\r
-           SendToICS(ics_prefix);\r
-           SendToICS("set shout 0\n");\r
-       }\r
-    }\r
-    \r
-    /* Deal with midgame name changes */\r
-    if (!newGame) {\r
-       if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {\r
-           if (gameInfo.white) free(gameInfo.white);\r
-           gameInfo.white = StrSave(white);\r
-       }\r
-       if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {\r
-           if (gameInfo.black) free(gameInfo.black);\r
-           gameInfo.black = StrSave(black);\r
-       }\r
-    }\r
-    \r
-    /* Throw away game result if anything actually changes in examine mode */\r
-    if (gameMode == IcsExamining && !newGame) {\r
-       gameInfo.result = GameUnfinished;\r
-       if (gameInfo.resultDetails != NULL) {\r
-           free(gameInfo.resultDetails);\r
-           gameInfo.resultDetails = NULL;\r
-       }\r
-    }\r
-    \r
-    /* In pausing && IcsExamining mode, we ignore boards coming\r
-       in if they are in a different variation than we are. */\r
-    if (pauseExamInvalid) return;\r
-    if (pausing && gameMode == IcsExamining) {\r
-       if (moveNum <= pauseExamForwardMostMove) {\r
-           pauseExamInvalid = TRUE;\r
-           forwardMostMove = pauseExamForwardMostMove;\r
-           return;\r
-       }\r
-    }\r
-    \r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "load %dx%d board\n", files, ranks);\r
-  }\r
-    /* Parse the board */\r
-    for (k = 0; k < ranks; k++) {\r
-      for (j = 0; j < files; j++)\r
-        board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);\r
-      if(gameInfo.holdingsWidth > 1) {\r
-           board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;\r
-           board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;\r
-      }\r
-    }\r
-    CopyBoard(boards[moveNum], board);\r
-    if (moveNum == 0) {\r
-       startedFromSetupPosition =\r
-         !CompareBoards(board, initialPosition);\r
-        if(startedFromSetupPosition)\r
-            initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */\r
-    }\r
-\r
-    /* [HGM] Set castling rights. Take the outermost Rooks,\r
-       to make it also work for FRC opening positions. Note that board12\r
-       is really defective for later FRC positions, as it has no way to\r
-       indicate which Rook can castle if they are on the same side of King.\r
-       For the initial position we grant rights to the outermost Rooks,\r
-       and remember thos rights, and we then copy them on positions\r
-       later in an FRC game. This means WB might not recognize castlings with\r
-       Rooks that have moved back to their original position as illegal,\r
-       but in ICS mode that is not its job anyway.\r
-    */\r
-    if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)\r
-    { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;\r
-\r
-        for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)\r
-            if(board[0][i] == WhiteRook) j = i;\r
-        initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);\r
-        for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)\r
-            if(board[0][i] == WhiteRook) j = i;\r
-        initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);\r
-        for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)\r
-            if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;\r
-        initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);\r
-        for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)\r
-            if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;\r
-        initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);\r
-\r
-       if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }\r
-        for(k=BOARD_LEFT; k<BOARD_RGHT; k++)\r
-            if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;\r
-        for(k=BOARD_LEFT; k<BOARD_RGHT; k++)\r
-            if(board[BOARD_HEIGHT-1][k] == bKing)\r
-                initialRights[5] = castlingRights[moveNum][5] = k;\r
-    } else { int r;\r
-        r = castlingRights[moveNum][0] = initialRights[0];\r
-        if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;\r
-        r = castlingRights[moveNum][1] = initialRights[1];\r
-        if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;\r
-        r = castlingRights[moveNum][3] = initialRights[3];\r
-        if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;\r
-        r = castlingRights[moveNum][4] = initialRights[4];\r
-        if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;\r
-        /* wildcastle kludge: always assume King has rights */\r
-        r = castlingRights[moveNum][2] = initialRights[2];\r
-        r = castlingRights[moveNum][5] = initialRights[5];\r
-    }\r
-    /* [HGM] e.p. rights. Assume that ICS sends file number here? */\r
-    epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;\r
-\r
-    \r
-    if (ics_getting_history == H_GOT_REQ_HEADER ||\r
-       ics_getting_history == H_GOT_UNREQ_HEADER) {\r
-       /* This was an initial position from a move list, not\r
-          the current position */\r
-       return;\r
-    }\r
-    \r
-    /* Update currentMove and known move number limits */\r
-    newMove = newGame || moveNum > forwardMostMove;\r
-\r
-    /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */\r
-    if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {\r
-        takeback = forwardMostMove - moveNum;\r
-        for (i = 0; i < takeback; i++) {\r
-             if (appData.debugMode) fprintf(debugFP, "take back move\n");\r
-             SendToProgram("undo\n", &first);\r
-        }\r
-    }\r
-\r
-    if (newGame) {\r
-       forwardMostMove = backwardMostMove = currentMove = moveNum;\r
-       if (gameMode == IcsExamining && moveNum == 0) {\r
-         /* Workaround for ICS limitation: we are not told the wild\r
-            type when starting to examine a game.  But if we ask for\r
-            the move list, the move list header will tell us */\r
-           ics_getting_history = H_REQUESTED;\r
-           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);\r
-           SendToICS(str);\r
-       }\r
-    } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove\r
-              || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {\r
-       forwardMostMove = moveNum;\r
-       if (!pausing || currentMove > forwardMostMove)\r
-         currentMove = forwardMostMove;\r
-    } else {\r
-       /* New part of history that is not contiguous with old part */ \r
-       if (pausing && gameMode == IcsExamining) {\r
-           pauseExamInvalid = TRUE;\r
-           forwardMostMove = pauseExamForwardMostMove;\r
-           return;\r
-       }\r
-       forwardMostMove = backwardMostMove = currentMove = moveNum;\r
-       if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {\r
-           ics_getting_history = H_REQUESTED;\r
-           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);\r
-           SendToICS(str);\r
-       }\r
-    }\r
-    \r
-    /* Update the clocks */\r
-    if (strchr(elapsed_time, '.')) {\r
-      /* Time is in ms */\r
-      timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;\r
-      timeRemaining[1][moveNum] = blackTimeRemaining = black_time;\r
-    } else {\r
-      /* Time is in seconds */\r
-      timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;\r
-      timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;\r
-    }\r
-      \r
-\r
-#if ZIPPY\r
-    if (appData.zippyPlay && newGame &&\r
-       gameMode != IcsObserving && gameMode != IcsIdle &&\r
-       gameMode != IcsExamining)\r
-      ZippyFirstBoard(moveNum, basetime, increment);\r
-#endif\r
-    \r
-    /* Put the move on the move list, first converting\r
-       to canonical algebraic form. */\r
-    if (moveNum > 0) {\r
-  if (appData.debugMode) {\r
-    if (appData.debugMode) { int f = forwardMostMove;\r
-        fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,\r
-                castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);\r
-    }\r
-    fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);\r
-    fprintf(debugFP, "moveNum = %d\n", moveNum);\r
-    fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);\r
-    setbuf(debugFP, NULL);\r
-  }\r
-       if (moveNum <= backwardMostMove) {\r
-           /* We don't know what the board looked like before\r
-              this move.  Punt. */\r
-           strcpy(parseList[moveNum - 1], move_str);\r
-           strcat(parseList[moveNum - 1], " ");\r
-           strcat(parseList[moveNum - 1], elapsed_time);\r
-           moveList[moveNum - 1][0] = NULLCHAR;\r
-       } else if (strcmp(move_str, "none") == 0) {\r
-           // [HGM] long SAN: swapped order; test for 'none' before parsing move\r
-           /* Again, we don't know what the board looked like;\r
-              this is really the start of the game. */\r
-           parseList[moveNum - 1][0] = NULLCHAR;\r
-           moveList[moveNum - 1][0] = NULLCHAR;\r
-           backwardMostMove = moveNum;\r
-           startedFromSetupPosition = TRUE;\r
-           fromX = fromY = toX = toY = -1;\r
-       } else {\r
-         // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move. \r
-         //                 So we parse the long-algebraic move string in stead of the SAN move\r
-         int valid; char buf[MSG_SIZ], *prom;\r
-\r
-         // str looks something like "Q/a1-a2"; kill the slash\r
-         if(str[1] == '/') \r
-               sprintf(buf, "%c%s", str[0], str+2);\r
-         else  strcpy(buf, str); // might be castling\r
-         if((prom = strstr(move_str, "=")) && !strstr(buf, "=")) \r
-               strcat(buf, prom); // long move lacks promo specification!\r
-         if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)\r
-               if(appData.debugMode) \r
-                       fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);\r
-               strcpy(move_str, buf);\r
-          }\r
-         valid = ParseOneMove(move_str, moveNum - 1, &moveType,\r
-                               &fromX, &fromY, &toX, &toY, &promoChar)\r
-              || ParseOneMove(buf, moveNum - 1, &moveType,\r
-                               &fromX, &fromY, &toX, &toY, &promoChar);\r
-         // end of long SAN patch\r
-         if (valid) {\r
-           (void) CoordsToAlgebraic(boards[moveNum - 1],\r
-                                    PosFlags(moveNum - 1), EP_UNKNOWN,\r
-                                    fromY, fromX, toY, toX, promoChar,\r
-                                    parseList[moveNum-1]);\r
-            switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,\r
-                             castlingRights[moveNum]) ) {\r
-             case MT_NONE:\r
-             case MT_STALEMATE:\r
-             default:\r
-               break;\r
-             case MT_CHECK:\r
-                if(gameInfo.variant != VariantShogi)\r
-                    strcat(parseList[moveNum - 1], "+");\r
-               break;\r
-             case MT_CHECKMATE:\r
-             case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate\r
-               strcat(parseList[moveNum - 1], "#");\r
-               break;\r
-           }\r
-           strcat(parseList[moveNum - 1], " ");\r
-           strcat(parseList[moveNum - 1], elapsed_time);\r
-           /* currentMoveString is set as a side-effect of ParseOneMove */\r
-           strcpy(moveList[moveNum - 1], currentMoveString);\r
-           strcat(moveList[moveNum - 1], "\n");\r
-         } else {\r
-           /* Move from ICS was illegal!?  Punt. */\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);\r
-    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);\r
-  }\r
-#if 0\r
-           if (appData.testLegality && appData.debugMode) {\r
-               sprintf(str, "Illegal move \"%s\" from ICS", move_str);\r
-               DisplayError(str, 0);\r
-           }\r
-#endif\r
-           strcpy(parseList[moveNum - 1], move_str);\r
-           strcat(parseList[moveNum - 1], " ");\r
-           strcat(parseList[moveNum - 1], elapsed_time);\r
-           moveList[moveNum - 1][0] = NULLCHAR;\r
-           fromX = fromY = toX = toY = -1;\r
-         }\r
-       }\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);\r
-    setbuf(debugFP, NULL);\r
-  }\r
-\r
-#if ZIPPY\r
-       /* Send move to chess program (BEFORE animating it). */\r
-       if (appData.zippyPlay && !newGame && newMove && \r
-          (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {\r
-\r
-           if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||\r
-               (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {\r
-               if (moveList[moveNum - 1][0] == NULLCHAR) {\r
-                   sprintf(str, _("Couldn't parse move \"%s\" from ICS"),\r
-                           move_str);\r
-                   DisplayError(str, 0);\r
-               } else {\r
-                   if (first.sendTime) {\r
-                       SendTimeRemaining(&first, gameMode == IcsPlayingWhite);\r
-                   }\r
-                   bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book\r
-                   if (firstMove && !bookHit) {\r
-                       firstMove = FALSE;\r
-                       if (first.useColors) {\r
-                         SendToProgram(gameMode == IcsPlayingWhite ?\r
-                                       "white\ngo\n" :\r
-                                       "black\ngo\n", &first);\r
-                       } else {\r
-                         SendToProgram("go\n", &first);\r
-                       }\r
-                       first.maybeThinking = TRUE;\r
-                   }\r
-               }\r
-           } else if (gameMode == IcsObserving || gameMode == IcsExamining) {\r
-             if (moveList[moveNum - 1][0] == NULLCHAR) {\r
-               sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);\r
-               DisplayError(str, 0);\r
-             } else {\r
-               if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!\r
-               SendMoveToProgram(moveNum - 1, &first);\r
-             }\r
-           }\r
-       }\r
-#endif\r
-    }\r
-\r
-    if (moveNum > 0 && !gotPremove) {\r
-       /* If move comes from a remote source, animate it.  If it\r
-          isn't remote, it will have already been animated. */\r
-       if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {\r
-           AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);\r
-       }\r
-       if (!pausing && appData.highlightLastMove) {\r
-           SetHighlights(fromX, fromY, toX, toY);\r
-       }\r
-    }\r
-    \r
-    /* Start the clocks */\r
-    whiteFlag = blackFlag = FALSE;\r
-    appData.clockMode = !(basetime == 0 && increment == 0);\r
-    if (ticking == 0) {\r
-      ics_clock_paused = TRUE;\r
-      StopClocks();\r
-    } else if (ticking == 1) {\r
-      ics_clock_paused = FALSE;\r
-    }\r
-    if (gameMode == IcsIdle ||\r
-       relation == RELATION_OBSERVING_STATIC ||\r
-       relation == RELATION_EXAMINING ||\r
-       ics_clock_paused)\r
-      DisplayBothClocks();\r
-    else\r
-      StartClocks();\r
-    \r
-    /* Display opponents and material strengths */\r
-    if (gameInfo.variant != VariantBughouse &&\r
-       gameInfo.variant != VariantCrazyhouse) {\r
-       if (tinyLayout || smallLayout) {\r
-           if(gameInfo.variant == VariantNormal)\r
-               sprintf(str, "%s(%d) %s(%d) {%d %d}", \r
-                   gameInfo.white, white_stren, gameInfo.black, black_stren,\r
-                   basetime, increment);\r
-           else\r
-               sprintf(str, "%s(%d) %s(%d) {%d %d w%d}", \r
-                   gameInfo.white, white_stren, gameInfo.black, black_stren,\r
-                   basetime, increment, (int) gameInfo.variant);\r
-       } else {\r
-           if(gameInfo.variant == VariantNormal)\r
-               sprintf(str, "%s (%d) vs. %s (%d) {%d %d}", \r
-                   gameInfo.white, white_stren, gameInfo.black, black_stren,\r
-                   basetime, increment);\r
-           else\r
-               sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}", \r
-                   gameInfo.white, white_stren, gameInfo.black, black_stren,\r
-                   basetime, increment, VariantName(gameInfo.variant));\r
-       }\r
-       DisplayTitle(str);\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);\r
-  }\r
-    }\r
-\r
-   \r
-    /* Display the board */\r
-    if (!pausing) {\r
-      \r
-      if (appData.premove)\r
-         if (!gotPremove || \r
-            ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||\r
-            ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))\r
-             ClearPremoveHighlights();\r
-\r
-      DrawPosition(FALSE, boards[currentMove]);\r
-      DisplayMove(moveNum - 1);\r
-      if (appData.ringBellAfterMoves && !ics_user_moved)\r
-       RingBell();\r
-    }\r
-\r
-    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);\r
-#if ZIPPY\r
-    if(bookHit) { // [HGM] book: simulate book reply\r
-       static char bookMove[MSG_SIZ]; // a bit generous?\r
-\r
-       programStats.nodes = programStats.depth = programStats.time = \r
-       programStats.score = programStats.got_only_move = 0;\r
-       sprintf(programStats.movelist, "%s (xbook)", bookHit);\r
-\r
-       strcpy(bookMove, "move ");\r
-       strcat(bookMove, bookHit);\r
-       HandleMachineMove(bookMove, &first);\r
-    }\r
-#endif\r
-}\r
-\r
-void\r
-GetMoveListEvent()\r
-{\r
-    char buf[MSG_SIZ];\r
-    if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {\r
-       ics_getting_history = H_REQUESTED;\r
-       sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);\r
-       SendToICS(buf);\r
-    }\r
-}\r
-\r
-void\r
-AnalysisPeriodicEvent(force)\r
-     int force;\r
-{\r
-    if (((programStats.ok_to_send == 0 || programStats.line_is_book)\r
-        && !force) || !appData.periodicUpdates)\r
-      return;\r
-\r
-    /* Send . command to Crafty to collect stats */\r
-    SendToProgram(".\n", &first);\r
-\r
-    /* Don't send another until we get a response (this makes\r
-       us stop sending to old Crafty's which don't understand\r
-       the "." command (sending illegal cmds resets node count & time,\r
-       which looks bad)) */\r
-    programStats.ok_to_send = 0;\r
-}\r
-\r
-void\r
-SendMoveToProgram(moveNum, cps)\r
-     int moveNum;\r
-     ChessProgramState *cps;\r
-{\r
-    char buf[MSG_SIZ];\r
-\r
-    if (cps->useUsermove) {\r
-      SendToProgram("usermove ", cps);\r
-    }\r
-    if (cps->useSAN) {\r
-      char *space;\r
-      if ((space = strchr(parseList[moveNum], ' ')) != NULL) {\r
-       int len = space - parseList[moveNum];\r
-       memcpy(buf, parseList[moveNum], len);\r
-       buf[len++] = '\n';\r
-       buf[len] = NULLCHAR;\r
-      } else {\r
-       sprintf(buf, "%s\n", parseList[moveNum]);\r
-      }\r
-      SendToProgram(buf, cps);\r
-    } else {\r
-      if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */\r
-       AlphaRank(moveList[moveNum], 4);\r
-       SendToProgram(moveList[moveNum], cps);\r
-       AlphaRank(moveList[moveNum], 4); // and back\r
-      } else\r
-      /* Added by Tord: Send castle moves in "O-O" in FRC games if required by\r
-       * the engine. It would be nice to have a better way to identify castle \r
-       * moves here. */\r
-      if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)\r
-                                                                        && cps->useOOCastle) {\r
-        int fromX = moveList[moveNum][0] - AAA; \r
-        int fromY = moveList[moveNum][1] - ONE;\r
-        int toX = moveList[moveNum][2] - AAA; \r
-        int toY = moveList[moveNum][3] - ONE;\r
-        if((boards[moveNum][fromY][fromX] == WhiteKing \r
-            && boards[moveNum][toY][toX] == WhiteRook)\r
-           || (boards[moveNum][fromY][fromX] == BlackKing \r
-               && boards[moveNum][toY][toX] == BlackRook)) {\r
-         if(toX > fromX) SendToProgram("O-O\n", cps);\r
-         else SendToProgram("O-O-O\n", cps);\r
-       }\r
-       else SendToProgram(moveList[moveNum], cps);\r
-      }\r
-      else SendToProgram(moveList[moveNum], cps);\r
-      /* End of additions by Tord */\r
-    }\r
-\r
-    /* [HGM] setting up the opening has brought engine in force mode! */\r
-    /*       Send 'go' if we are in a mode where machine should play. */\r
-    if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&\r
-        (gameMode == TwoMachinesPlay   ||\r
-#ifdef ZIPPY\r
-         gameMode == IcsPlayingBlack     || gameMode == IcsPlayingWhite ||\r
-#endif\r
-         gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {\r
-        SendToProgram("go\n", cps);\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "(extra)\n");\r
-  }\r
-    }\r
-    setboardSpoiledMachineBlack = 0;\r
-}\r
-\r
-void\r
-SendMoveToICS(moveType, fromX, fromY, toX, toY)\r
-     ChessMove moveType;\r
-     int fromX, fromY, toX, toY;\r
-{\r
-    char user_move[MSG_SIZ];\r
-\r
-    switch (moveType) {\r
-      default:\r
-       sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),\r
-               (int)moveType, fromX, fromY, toX, toY);\r
-       DisplayError(user_move + strlen("say "), 0);\r
-       break;\r
-      case WhiteKingSideCastle:\r
-      case BlackKingSideCastle:\r
-      case WhiteQueenSideCastleWild:\r
-      case BlackQueenSideCastleWild:\r
-      /* PUSH Fabien */\r
-      case WhiteHSideCastleFR:\r
-      case BlackHSideCastleFR:\r
-      /* POP Fabien */\r
-       sprintf(user_move, "o-o\n");\r
-       break;\r
-      case WhiteQueenSideCastle:\r
-      case BlackQueenSideCastle:\r
-      case WhiteKingSideCastleWild:\r
-      case BlackKingSideCastleWild:\r
-      /* PUSH Fabien */\r
-      case WhiteASideCastleFR:\r
-      case BlackASideCastleFR:\r
-      /* POP Fabien */\r
-       sprintf(user_move, "o-o-o\n");\r
-       break;\r
-      case WhitePromotionQueen:\r
-      case BlackPromotionQueen:\r
-      case WhitePromotionRook:\r
-      case BlackPromotionRook:\r
-      case WhitePromotionBishop:\r
-      case BlackPromotionBishop:\r
-      case WhitePromotionKnight:\r
-      case BlackPromotionKnight:\r
-      case WhitePromotionKing:\r
-      case BlackPromotionKing:\r
-      case WhitePromotionChancellor:\r
-      case BlackPromotionChancellor:\r
-      case WhitePromotionArchbishop:\r
-      case BlackPromotionArchbishop:\r
-        if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)\r
-            sprintf(user_move, "%c%c%c%c=%c\n",\r
-                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,\r
-               PieceToChar(WhiteFerz));\r
-        else if(gameInfo.variant == VariantGreat)\r
-            sprintf(user_move, "%c%c%c%c=%c\n",\r
-                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,\r
-               PieceToChar(WhiteMan));\r
-        else\r
-            sprintf(user_move, "%c%c%c%c=%c\n",\r
-                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,\r
-               PieceToChar(PromoPiece(moveType)));\r
-       break;\r
-      case WhiteDrop:\r
-      case BlackDrop:\r
-       sprintf(user_move, "%c@%c%c\n",\r
-               ToUpper(PieceToChar((ChessSquare) fromX)),\r
-                AAA + toX, ONE + toY);\r
-       break;\r
-      case NormalMove:\r
-      case WhiteCapturesEnPassant:\r
-      case BlackCapturesEnPassant:\r
-      case IllegalMove:  /* could be a variant we don't quite understand */\r
-       sprintf(user_move, "%c%c%c%c\n",\r
-                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);\r
-       break;\r
-    }\r
-    SendToICS(user_move);\r
-}\r
-\r
-void\r
-CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)\r
-     int rf, ff, rt, ft;\r
-     char promoChar;\r
-     char move[7];\r
-{\r
-    if (rf == DROP_RANK) {\r
-       sprintf(move, "%c@%c%c\n",\r
-                ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);\r
-    } else {\r
-       if (promoChar == 'x' || promoChar == NULLCHAR) {\r
-           sprintf(move, "%c%c%c%c\n",\r
-                    AAA + ff, ONE + rf, AAA + ft, ONE + rt);\r
-       } else {\r
-           sprintf(move, "%c%c%c%c%c\n",\r
-                    AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);\r
-       }\r
-    }\r
-}\r
-\r
-void\r
-ProcessICSInitScript(f)\r
-     FILE *f;\r
-{\r
-    char buf[MSG_SIZ];\r
-\r
-    while (fgets(buf, MSG_SIZ, f)) {\r
-       SendToICSDelayed(buf,(long)appData.msLoginDelay);\r
-    }\r
-\r
-    fclose(f);\r
-}\r
-\r
-\r
-/* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */\r
-void\r
-AlphaRank(char *move, int n)\r
-{\r
-//    char *p = move, c; int x, y;\r
-\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);\r
-    }\r
-\r
-    if(move[1]=='*' && \r
-       move[2]>='0' && move[2]<='9' &&\r
-       move[3]>='a' && move[3]<='x'    ) {\r
-        move[1] = '@';\r
-        move[2] = BOARD_RGHT  -1 - (move[2]-'1') + AAA;\r
-        move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;\r
-    } else\r
-    if(move[0]>='0' && move[0]<='9' &&\r
-       move[1]>='a' && move[1]<='x' &&\r
-       move[2]>='0' && move[2]<='9' &&\r
-       move[3]>='a' && move[3]<='x'    ) {\r
-        /* input move, Shogi -> normal */\r
-        move[0] = BOARD_RGHT  -1 - (move[0]-'1') + AAA;\r
-        move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;\r
-        move[2] = BOARD_RGHT  -1 - (move[2]-'1') + AAA;\r
-        move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;\r
-    } else\r
-    if(move[1]=='@' &&\r
-       move[3]>='0' && move[3]<='9' &&\r
-       move[2]>='a' && move[2]<='x'    ) {\r
-        move[1] = '*';\r
-        move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';\r
-        move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';\r
-    } else\r
-    if(\r
-       move[0]>='a' && move[0]<='x' &&\r
-       move[3]>='0' && move[3]<='9' &&\r
-       move[2]>='a' && move[2]<='x'    ) {\r
-         /* output move, normal -> Shogi */\r
-        move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';\r
-        move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';\r
-        move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';\r
-        move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';\r
-        if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';\r
-    }\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "   out = '%s'\n", move);\r
-    }\r
-}\r
-\r
-/* Parser for moves from gnuchess, ICS, or user typein box */\r
-Boolean\r
-ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)\r
-     char *move;\r
-     int moveNum;\r
-     ChessMove *moveType;\r
-     int *fromX, *fromY, *toX, *toY;\r
-     char *promoChar;\r
-{       \r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "move to parse: %s\n", move);\r
-    }\r
-    *moveType = yylexstr(moveNum, move);\r
-\r
-    switch (*moveType) {\r
-      case WhitePromotionChancellor:\r
-      case BlackPromotionChancellor:\r
-      case WhitePromotionArchbishop:\r
-      case BlackPromotionArchbishop:\r
-      case WhitePromotionQueen:\r
-      case BlackPromotionQueen:\r
-      case WhitePromotionRook:\r
-      case BlackPromotionRook:\r
-      case WhitePromotionBishop:\r
-      case BlackPromotionBishop:\r
-      case WhitePromotionKnight:\r
-      case BlackPromotionKnight:\r
-      case WhitePromotionKing:\r
-      case BlackPromotionKing:\r
-      case NormalMove:\r
-      case WhiteCapturesEnPassant:\r
-      case BlackCapturesEnPassant:\r
-      case WhiteKingSideCastle:\r
-      case WhiteQueenSideCastle:\r
-      case BlackKingSideCastle:\r
-      case BlackQueenSideCastle:\r
-      case WhiteKingSideCastleWild:\r
-      case WhiteQueenSideCastleWild:\r
-      case BlackKingSideCastleWild:\r
-      case BlackQueenSideCastleWild:\r
-      /* Code added by Tord: */\r
-      case WhiteHSideCastleFR:\r
-      case WhiteASideCastleFR:\r
-      case BlackHSideCastleFR:\r
-      case BlackASideCastleFR:\r
-      /* End of code added by Tord */\r
-      case IllegalMove:                /* bug or odd chess variant */\r
-        *fromX = currentMoveString[0] - AAA;\r
-        *fromY = currentMoveString[1] - ONE;\r
-        *toX = currentMoveString[2] - AAA;\r
-        *toY = currentMoveString[3] - ONE;\r
-       *promoChar = currentMoveString[4];\r
-        if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||\r
-            *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);\r
-    }\r
-           *fromX = *fromY = *toX = *toY = 0;\r
-           return FALSE;\r
-       }\r
-       if (appData.testLegality) {\r
-         return (*moveType != IllegalMove);\r
-       } else {\r
-         return !(fromX == fromY && toX == toY);\r
-       }\r
-\r
-      case WhiteDrop:\r
-      case BlackDrop:\r
-       *fromX = *moveType == WhiteDrop ?\r
-         (int) CharToPiece(ToUpper(currentMoveString[0])) :\r
-         (int) CharToPiece(ToLower(currentMoveString[0]));\r
-       *fromY = DROP_RANK;\r
-        *toX = currentMoveString[2] - AAA;\r
-        *toY = currentMoveString[3] - ONE;\r
-       *promoChar = NULLCHAR;\r
-       return TRUE;\r
-\r
-      case AmbiguousMove:\r
-      case ImpossibleMove:\r
-      case (ChessMove) 0:      /* end of file */\r
-      case ElapsedTime:\r
-      case Comment:\r
-      case PGNTag:\r
-      case NAG:\r
-      case WhiteWins:\r
-      case BlackWins:\r
-      case GameIsDrawn:\r
-      default:\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);\r
-    }\r
-       /* bug? */\r
-       *fromX = *fromY = *toX = *toY = 0;\r
-       *promoChar = NULLCHAR;\r
-       return FALSE;\r
-    }\r
-}\r
-\r
-// [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.\r
-// All positions will have equal probability, but the current method will not provide a unique\r
-// numbering scheme for arrays that contain 3 or more pieces of the same kind.\r
-#define DARK 1\r
-#define LITE 2\r
-#define ANY 3\r
-\r
-int squaresLeft[4];\r
-int piecesLeft[(int)BlackPawn];\r
-int seed, nrOfShuffles;\r
-\r
-void GetPositionNumber()\r
-{      // sets global variable seed\r
-       int i;\r
-\r
-       seed = appData.defaultFrcPosition;\r
-       if(seed < 0) { // randomize based on time for negative FRC position numbers\r
-               for(i=0; i<50; i++) seed += random();\r
-               seed = random() ^ random() >> 8 ^ random() << 8;\r
-               if(seed<0) seed = -seed;\r
-       }\r
-}\r
-\r
-int put(Board board, int pieceType, int rank, int n, int shade)\r
-// put the piece on the (n-1)-th empty squares of the given shade\r
-{\r
-       int i;\r
-\r
-       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {\r
-               if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {\r
-                       board[rank][i] = (ChessSquare) pieceType;\r
-                       squaresLeft[((i-BOARD_LEFT)&1) + 1]--;\r
-                       squaresLeft[ANY]--;\r
-                       piecesLeft[pieceType]--; \r
-                       return i;\r
-               }\r
-       }\r
-        return -1;\r
-}\r
-\r
-\r
-void AddOnePiece(Board board, int pieceType, int rank, int shade)\r
-// calculate where the next piece goes, (any empty square), and put it there\r
-{\r
-       int i;\r
-\r
-        i = seed % squaresLeft[shade];\r
-       nrOfShuffles *= squaresLeft[shade];\r
-       seed /= squaresLeft[shade];\r
-        put(board, pieceType, rank, i, shade);\r
-}\r
-\r
-void AddTwoPieces(Board board, int pieceType, int rank)\r
-// calculate where the next 2 identical pieces go, (any empty square), and put it there\r
-{\r
-       int i, n=squaresLeft[ANY], j=n-1, k;\r
-\r
-       k = n*(n-1)/2; // nr of possibilities, not counting permutations\r
-        i = seed % k;  // pick one\r
-       nrOfShuffles *= k;\r
-       seed /= k;\r
-       while(i >= j) i -= j--;\r
-        j = n - 1 - j; i += j;\r
-        put(board, pieceType, rank, j, ANY);\r
-        put(board, pieceType, rank, i, ANY);\r
-}\r
-\r
-void SetUpShuffle(Board board, int number)\r
-{\r
-       int i, p, first=1;\r
-\r
-       GetPositionNumber(); nrOfShuffles = 1;\r
-\r
-       squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;\r
-       squaresLeft[ANY]  = BOARD_RGHT - BOARD_LEFT;\r
-       squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];\r
-\r
-       for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;\r
-\r
-       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board\r
-           p = (int) board[0][i];\r
-           if(p < (int) BlackPawn) piecesLeft[p] ++;\r
-           board[0][i] = EmptySquare;\r
-       }\r
-\r
-       if(PosFlags(0) & F_ALL_CASTLE_OK) {\r
-           // shuffles restricted to allow normal castling put KRR first\r
-           if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle\r
-               put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);\r
-           else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles\r
-               put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);\r
-           if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling\r
-               put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);\r
-           if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling\r
-               put(board, WhiteRook, 0, 0, ANY);\r
-           // in variants with super-numerary Kings and Rooks, we leave these for the shuffle\r
-       }\r
-\r
-       if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)\r
-           // only for even boards make effort to put pairs of colorbound pieces on opposite colors\r
-           for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {\r
-               if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;\r
-               while(piecesLeft[p] >= 2) {\r
-                   AddOnePiece(board, p, 0, LITE);\r
-                   AddOnePiece(board, p, 0, DARK);\r
-               }\r
-               // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)\r
-           }\r
-\r
-       for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {\r
-           // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere\r
-           // but we leave King and Rooks for last, to possibly obey FRC restriction\r
-           if(p == (int)WhiteRook) continue;\r
-           while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations\r
-           if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY);     // add the odd piece\r
-       }\r
-\r
-       // now everything is placed, except perhaps King (Unicorn) and Rooks\r
-\r
-       if(PosFlags(0) & F_FRC_TYPE_CASTLING) {\r
-           // Last King gets castling rights\r
-           while(piecesLeft[(int)WhiteUnicorn]) {\r
-               i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);\r
-               initialRights[2]  = initialRights[5]  = castlingRights[0][2] = castlingRights[0][5] = i;\r
-           }\r
-\r
-           while(piecesLeft[(int)WhiteKing]) {\r
-               i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);\r
-               initialRights[2]  = initialRights[5]  = castlingRights[0][2] = castlingRights[0][5] = i;\r
-           }\r
-\r
-\r
-       } else {\r
-           while(piecesLeft[(int)WhiteKing])    AddOnePiece(board, WhiteKing, 0, ANY);\r
-           while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);\r
-       }\r
-\r
-       // Only Rooks can be left; simply place them all\r
-       while(piecesLeft[(int)WhiteRook]) {\r
-               i = put(board, WhiteRook, 0, 0, ANY);\r
-               if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights\r
-                       if(first) {\r
-                               first=0;\r
-                               initialRights[1]  = initialRights[4]  = castlingRights[0][1] = castlingRights[0][4] = i;\r
-                       }\r
-                       initialRights[0]  = initialRights[3]  = castlingRights[0][0] = castlingRights[0][3] = i;\r
-               }\r
-       }\r
-       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white\r
-           board[BOARD_HEIGHT-1][i] =  (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;\r
-       }\r
-\r
-       if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize\r
-}\r
-\r
-int SetCharTable( char *table, const char * map )\r
-/* [HGM] moved here from winboard.c because of its general usefulness */\r
-/*       Basically a safe strcpy that uses the last character as King */\r
-{\r
-    int result = FALSE; int NrPieces;\r
-\r
-    if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare \r
-                    && NrPieces >= 12 && !(NrPieces&1)) {\r
-        int i; /* [HGM] Accept even length from 12 to 34 */\r
-\r
-        for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';\r
-        for( i=0; i<NrPieces/2-1; i++ ) {\r
-            table[i] = map[i];\r
-            table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];\r
-        }\r
-        table[(int) WhiteKing]  = map[NrPieces/2-1];\r
-        table[(int) BlackKing]  = map[NrPieces-1];\r
-\r
-        result = TRUE;\r
-    }\r
-\r
-    return result;\r
-}\r
-\r
-void Prelude(Board board)\r
-{      // [HGM] superchess: random selection of exo-pieces\r
-       int i, j, k; ChessSquare p; \r
-       static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };\r
-\r
-       GetPositionNumber(); // use FRC position number\r
-\r
-       if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table\r
-           SetCharTable(pieceToChar, appData.pieceToCharTable);\r
-           for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++) \r
-               if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;\r
-       }\r
-\r
-       j = seed%4;                 seed /= 4; \r
-       p = board[0][BOARD_LEFT+j];   board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);\r
-       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;\r
-       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;\r
-       j = seed%3 + (seed%3 >= j); seed /= 3; \r
-       p = board[0][BOARD_LEFT+j];   board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);\r
-       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;\r
-       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;\r
-       j = seed%3;                 seed /= 3; \r
-       p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);\r
-       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;\r
-       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;\r
-       j = seed%2 + (seed%2 >= j); seed /= 2; \r
-       p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);\r
-       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;\r
-       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;\r
-       j = seed%4; seed /= 4; put(board, exoPieces[3],    0, j, ANY);\r
-       j = seed%3; seed /= 3; put(board, exoPieces[2],   0, j, ANY);\r
-       j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);\r
-       put(board, exoPieces[0],    0, 0, ANY);\r
-       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];\r
-}\r
-\r
-void\r
-InitPosition(redraw)\r
-     int redraw;\r
-{\r
-    ChessSquare (* pieces)[BOARD_SIZE];\r
-    int i, j, pawnRow, overrule,\r
-    oldx = gameInfo.boardWidth,\r
-    oldy = gameInfo.boardHeight,\r
-    oldh = gameInfo.holdingsWidth,\r
-    oldv = gameInfo.variant;\r
-\r
-    currentMove = forwardMostMove = backwardMostMove = 0;\r
-    if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request\r
-\r
-    /* [AS] Initialize pv info list [HGM] and game status */\r
-    {\r
-        for( i=0; i<MAX_MOVES; i++ ) {\r
-            pvInfoList[i].depth = 0;\r
-            epStatus[i]=EP_NONE;\r
-            for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;\r
-        }\r
-\r
-        initialRulePlies = 0; /* 50-move counter start */\r
-\r
-        castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;\r
-        castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;\r
-    }\r
-\r
-    \r
-    /* [HGM] logic here is completely changed. In stead of full positions */\r
-    /* the initialized data only consist of the two backranks. The switch */\r
-    /* selects which one we will use, which is than copied to the Board   */\r
-    /* initialPosition, which for the rest is initialized by Pawns and    */\r
-    /* empty squares. This initial position is then copied to boards[0],  */\r
-    /* possibly after shuffling, so that it remains available.            */\r
-\r
-    gameInfo.holdingsWidth = 0; /* default board sizes */\r
-    gameInfo.boardWidth    = 8;\r
-    gameInfo.boardHeight   = 8;\r
-    gameInfo.holdingsSize  = 0;\r
-    nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */\r
-    for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */\r
-    SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k"); \r
-\r
-    switch (gameInfo.variant) {\r
-    case VariantFischeRandom:\r
-      shuffleOpenings = TRUE;\r
-    default:\r
-      pieces = FIDEArray;\r
-      break;\r
-    case VariantShatranj:\r
-      pieces = ShatranjArray;\r
-      nrCastlingRights = 0;\r
-      SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k"); \r
-      break;\r
-    case VariantTwoKings:\r
-      pieces = twoKingsArray;\r
-      break;\r
-    case VariantCapaRandom:\r
-      shuffleOpenings = TRUE;\r
-    case VariantCapablanca:\r
-      pieces = CapablancaArray;\r
-      gameInfo.boardWidth = 10;\r
-      SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack"); \r
-      break;\r
-    case VariantGothic:\r
-      pieces = GothicArray;\r
-      gameInfo.boardWidth = 10;\r
-      SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack"); \r
-      break;\r
-    case VariantJanus:\r
-      pieces = JanusArray;\r
-      gameInfo.boardWidth = 10;\r
-      SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk"); \r
-      nrCastlingRights = 6;\r
-        castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;\r
-        castlingRights[0][1] = initialRights[1] = BOARD_LEFT;\r
-        castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;\r
-        castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;\r
-        castlingRights[0][4] = initialRights[4] = BOARD_LEFT;\r
-        castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;\r
-      break;\r
-    case VariantFalcon:\r
-      pieces = FalconArray;\r
-      gameInfo.boardWidth = 10;\r
-      SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk"); \r
-      break;\r
-    case VariantXiangqi:\r
-      pieces = XiangqiArray;\r
-      gameInfo.boardWidth  = 9;\r
-      gameInfo.boardHeight = 10;\r
-      nrCastlingRights = 0;\r
-      SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c."); \r
-      break;\r
-    case VariantShogi:\r
-      pieces = ShogiArray;\r
-      gameInfo.boardWidth  = 9;\r
-      gameInfo.boardHeight = 9;\r
-      gameInfo.holdingsSize = 7;\r
-      nrCastlingRights = 0;\r
-      SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k"); \r
-      break;\r
-    case VariantCourier:\r
-      pieces = CourierArray;\r
-      gameInfo.boardWidth  = 12;\r
-      nrCastlingRights = 0;\r
-      SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk"); \r
-      for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;\r
-      break;\r
-    case VariantKnightmate:\r
-      pieces = KnightmateArray;\r
-      SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k."); \r
-      break;\r
-    case VariantFairy:\r
-      pieces = fairyArray;\r
-      SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk"); \r
-      break;\r
-    case VariantGreat:\r
-      pieces = GreatArray;\r
-      gameInfo.boardWidth = 10;\r
-      SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");\r
-      gameInfo.holdingsSize = 8;\r
-      break;\r
-    case VariantSuper:\r
-      pieces = FIDEArray;\r
-      SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");\r
-      gameInfo.holdingsSize = 8;\r
-      startedFromSetupPosition = TRUE;\r
-      break;\r
-    case VariantCrazyhouse:\r
-    case VariantBughouse:\r
-      pieces = FIDEArray;\r
-      SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k"); \r
-      gameInfo.holdingsSize = 5;\r
-      break;\r
-    case VariantWildCastle:\r
-      pieces = FIDEArray;\r
-      /* !!?shuffle with kings guaranteed to be on d or e file */\r
-      shuffleOpenings = 1;\r
-      break;\r
-    case VariantNoCastle:\r
-      pieces = FIDEArray;\r
-      nrCastlingRights = 0;\r
-      for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;\r
-      /* !!?unconstrained back-rank shuffle */\r
-      shuffleOpenings = 1;\r
-      break;\r
-    }\r
-\r
-    overrule = 0;\r
-    if(appData.NrFiles >= 0) {\r
-        if(gameInfo.boardWidth != appData.NrFiles) overrule++;\r
-        gameInfo.boardWidth = appData.NrFiles;\r
-    }\r
-    if(appData.NrRanks >= 0) {\r
-        gameInfo.boardHeight = appData.NrRanks;\r
-    }\r
-    if(appData.holdingsSize >= 0) {\r
-        i = appData.holdingsSize;\r
-        if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;\r
-        gameInfo.holdingsSize = i;\r
-    }\r
-    if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;\r
-    if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)\r
-        DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);\r
-\r
-    pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */\r
-    if(pawnRow < 1) pawnRow = 1;\r
-\r
-    /* User pieceToChar list overrules defaults */\r
-    if(appData.pieceToCharTable != NULL)\r
-        SetCharTable(pieceToChar, appData.pieceToCharTable);\r
-\r
-    for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;\r
-\r
-        if(j==BOARD_LEFT-1 || j==BOARD_RGHT)\r
-            s = (ChessSquare) 0; /* account holding counts in guard band */\r
-        for( i=0; i<BOARD_HEIGHT; i++ )\r
-            initialPosition[i][j] = s;\r
-\r
-        if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;\r
-        initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];\r
-        initialPosition[pawnRow][j] = WhitePawn;\r
-        initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;\r
-        if(gameInfo.variant == VariantXiangqi) {\r
-            if(j&1) {\r
-                initialPosition[pawnRow][j] = \r
-                initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;\r
-                if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {\r
-                   initialPosition[2][j] = WhiteCannon;\r
-                   initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;\r
-                }\r
-            }\r
-        }\r
-        initialPosition[BOARD_HEIGHT-1][j] =  pieces[1][j-gameInfo.holdingsWidth];\r
-    }\r
-    if( (gameInfo.variant == VariantShogi) && !overrule ) {\r
-\r
-            j=BOARD_LEFT+1;\r
-            initialPosition[1][j] = WhiteBishop;\r
-            initialPosition[BOARD_HEIGHT-2][j] = BlackRook;\r
-            j=BOARD_RGHT-2;\r
-            initialPosition[1][j] = WhiteRook;\r
-            initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;\r
-    }\r
-\r
-    if( nrCastlingRights == -1) {\r
-        /* [HGM] Build normal castling rights (must be done after board sizing!) */\r
-        /*       This sets default castling rights from none to normal corners   */\r
-        /* Variants with other castling rights must set them themselves above    */\r
-        nrCastlingRights = 6;\r
-       \r
-        castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;\r
-        castlingRights[0][1] = initialRights[1] = BOARD_LEFT;\r
-        castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;\r
-        castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;\r
-        castlingRights[0][4] = initialRights[4] = BOARD_LEFT;\r
-        castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;\r
-     }\r
-\r
-     if(gameInfo.variant == VariantSuper) Prelude(initialPosition);\r
-     if(gameInfo.variant == VariantGreat) { // promotion commoners\r
-       initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;\r
-       initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;\r
-       initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;\r
-       initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;\r
-     }\r
-#if 0\r
-    if(gameInfo.variant == VariantFischeRandom) {\r
-      if( appData.defaultFrcPosition < 0 ) {\r
-        ShuffleFRC( initialPosition );\r
-      }\r
-      else {\r
-        SetupFRC( initialPosition, appData.defaultFrcPosition );\r
-      }\r
-      startedFromSetupPosition = TRUE;\r
-    } else \r
-#else\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);\r
-  }\r
-    if(shuffleOpenings) {\r
-       SetUpShuffle(initialPosition, appData.defaultFrcPosition);\r
-       startedFromSetupPosition = TRUE;\r
-    }\r
-#endif\r
-    if(startedFromPositionFile) {\r
-      /* [HGM] loadPos: use PositionFile for every new game */\r
-      CopyBoard(initialPosition, filePosition);\r
-      for(i=0; i<nrCastlingRights; i++)\r
-          castlingRights[0][i] = initialRights[i] = fileRights[i];\r
-      startedFromSetupPosition = TRUE;\r
-    }\r
-\r
-    CopyBoard(boards[0], initialPosition);\r
-\r
-    if(oldx != gameInfo.boardWidth ||\r
-       oldy != gameInfo.boardHeight ||\r
-       oldh != gameInfo.holdingsWidth\r
-#ifdef GOTHIC\r
-       || oldv == VariantGothic ||        // For licensing popups\r
-       gameInfo.variant == VariantGothic\r
-#endif\r
-#ifdef FALCON\r
-       || oldv == VariantFalcon ||\r
-       gameInfo.variant == VariantFalcon\r
-#endif\r
-                                         )\r
-            InitDrawingSizes(-2 ,0);\r
-\r
-    if (redraw)\r
-      DrawPosition(TRUE, boards[currentMove]);\r
-}\r
-\r
-void\r
-SendBoard(cps, moveNum)\r
-     ChessProgramState *cps;\r
-     int moveNum;\r
-{\r
-    char message[MSG_SIZ];\r
-    \r
-    if (cps->useSetboard) {\r
-      char* fen = PositionToFEN(moveNum, cps->fenOverride);\r
-      sprintf(message, "setboard %s\n", fen);\r
-      SendToProgram(message, cps);\r
-      free(fen);\r
-\r
-    } else {\r
-      ChessSquare *bp;\r
-      int i, j;\r
-      /* Kludge to set black to move, avoiding the troublesome and now\r
-       * deprecated "black" command.\r
-       */\r
-      if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);\r
-\r
-      SendToProgram("edit\n", cps);\r
-      SendToProgram("#\n", cps);\r
-      for (i = BOARD_HEIGHT - 1; i >= 0; i--) {\r
-       bp = &boards[moveNum][i][BOARD_LEFT];\r
-        for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {\r
-         if ((int) *bp < (int) BlackPawn) {\r
-           sprintf(message, "%c%c%c\n", PieceToChar(*bp), \r
-                    AAA + j, ONE + i);\r
-            if(message[0] == '+' || message[0] == '~') {\r
-                sprintf(message, "%c%c%c+\n",\r
-                        PieceToChar((ChessSquare)(DEMOTED *bp)),\r
-                        AAA + j, ONE + i);\r
-            }\r
-            if(cps->alphaRank) { /* [HGM] shogi: translate coords */\r
-                message[1] = BOARD_RGHT   - 1 - j + '1';\r
-                message[2] = BOARD_HEIGHT - 1 - i + 'a';\r
-            }\r
-           SendToProgram(message, cps);\r
-         }\r
-       }\r
-      }\r
-    \r
-      SendToProgram("c\n", cps);\r
-      for (i = BOARD_HEIGHT - 1; i >= 0; i--) {\r
-       bp = &boards[moveNum][i][BOARD_LEFT];\r
-        for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {\r
-         if (((int) *bp != (int) EmptySquare)\r
-             && ((int) *bp >= (int) BlackPawn)) {\r
-           sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),\r
-                    AAA + j, ONE + i);\r
-            if(message[0] == '+' || message[0] == '~') {\r
-                sprintf(message, "%c%c%c+\n",\r
-                        PieceToChar((ChessSquare)(DEMOTED *bp)),\r
-                        AAA + j, ONE + i);\r
-            }\r
-            if(cps->alphaRank) { /* [HGM] shogi: translate coords */\r
-                message[1] = BOARD_RGHT   - 1 - j + '1';\r
-                message[2] = BOARD_HEIGHT - 1 - i + 'a';\r
-            }\r
-           SendToProgram(message, cps);\r
-         }\r
-       }\r
-      }\r
-    \r
-      SendToProgram(".\n", cps);\r
-    }\r
-    setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */\r
-}\r
-\r
-int\r
-IsPromotion(fromX, fromY, toX, toY)\r
-     int fromX, fromY, toX, toY;\r
-{\r
-    /* [HGM] add Shogi promotions */\r
-    int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;\r
-    ChessSquare piece;\r
-\r
-    if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi ||\r
-      !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) return FALSE;\r
-   /* [HGM] Note to self: line above also weeds out drops */\r
-    piece = boards[currentMove][fromY][fromX];\r
-    if(gameInfo.variant == VariantShogi) {\r
-        promotionZoneSize = 3;\r
-        highestPromotingPiece = (int)WhiteKing;\r
-        /* [HGM] Should be Silver = Ferz, really, but legality testing is off,\r
-           and if in normal chess we then allow promotion to King, why not\r
-           allow promotion of other piece in Shogi?                         */\r
-    }\r
-    if((int)piece >= BlackPawn) {\r
-        if(toY >= promotionZoneSize && fromY >= promotionZoneSize)\r
-             return FALSE;\r
-        highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;\r
-    } else {\r
-        if(  toY < BOARD_HEIGHT - promotionZoneSize &&\r
-           fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;\r
-    }\r
-    return ( (int)piece <= highestPromotingPiece );\r
-}\r
-\r
-int\r
-InPalace(row, column)\r
-     int row, column;\r
-{   /* [HGM] for Xiangqi */\r
-    if( (row < 3 || row > BOARD_HEIGHT-4) &&\r
-         column < (BOARD_WIDTH + 4)/2 &&\r
-         column > (BOARD_WIDTH - 5)/2 ) return TRUE;\r
-    return FALSE;\r
-}\r
-\r
-int\r
-PieceForSquare (x, y)\r
-     int x;\r
-     int y;\r
-{\r
-  if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)\r
-     return -1;\r
-  else\r
-     return boards[currentMove][y][x];\r
-}\r
-\r
-int\r
-OKToStartUserMove(x, y)\r
-     int x, y;\r
-{\r
-    ChessSquare from_piece;\r
-    int white_piece;\r
-\r
-    if (matchMode) return FALSE;\r
-    if (gameMode == EditPosition) return TRUE;\r
-\r
-    if (x >= 0 && y >= 0)\r
-      from_piece = boards[currentMove][y][x];\r
-    else\r
-      from_piece = EmptySquare;\r
-\r
-    if (from_piece == EmptySquare) return FALSE;\r
-\r
-    white_piece = (int)from_piece >= (int)WhitePawn &&\r
-      (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */\r
-\r
-    switch (gameMode) {\r
-      case PlayFromGameFile:\r
-      case AnalyzeFile:\r
-      case TwoMachinesPlay:\r
-      case EndOfGame:\r
-       return FALSE;\r
-\r
-      case IcsObserving:\r
-      case IcsIdle:\r
-       return FALSE;\r
-\r
-      case MachinePlaysWhite:\r
-      case IcsPlayingBlack:\r
-       if (appData.zippyPlay) return FALSE;\r
-       if (white_piece) {\r
-           DisplayMoveError(_("You are playing Black"));\r
-           return FALSE;\r
-       }\r
-       break;\r
-\r
-      case MachinePlaysBlack:\r
-      case IcsPlayingWhite:\r
-       if (appData.zippyPlay) return FALSE;\r
-       if (!white_piece) {\r
-           DisplayMoveError(_("You are playing White"));\r
-           return FALSE;\r
-       }\r
-       break;\r
-\r
-      case EditGame:\r
-       if (!white_piece && WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is White's turn"));\r
-           return FALSE;\r
-       }           \r
-       if (white_piece && !WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is Black's turn"));\r
-           return FALSE;\r
-       }           \r
-       if (cmailMsgLoaded && (currentMove < cmailOldMove)) {\r
-           /* Editing correspondence game history */\r
-           /* Could disallow this or prompt for confirmation */\r
-           cmailOldMove = -1;\r
-       }\r
-       if (currentMove < forwardMostMove) {\r
-           /* Discarding moves */\r
-           /* Could prompt for confirmation here,\r
-              but I don't think that's such a good idea */\r
-           forwardMostMove = currentMove;\r
-       }\r
-       break;\r
-\r
-      case BeginningOfGame:\r
-       if (appData.icsActive) return FALSE;\r
-       if (!appData.noChessProgram) {\r
-           if (!white_piece) {\r
-               DisplayMoveError(_("You are playing White"));\r
-               return FALSE;\r
-           }\r
-       }\r
-       break;\r
-       \r
-      case Training:\r
-       if (!white_piece && WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is White's turn"));\r
-           return FALSE;\r
-       }           \r
-       if (white_piece && !WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is Black's turn"));\r
-           return FALSE;\r
-       }           \r
-       break;\r
-\r
-      default:\r
-      case IcsExamining:\r
-       break;\r
-    }\r
-    if (currentMove != forwardMostMove && gameMode != AnalyzeMode\r
-       && gameMode != AnalyzeFile && gameMode != Training) {\r
-       DisplayMoveError(_("Displayed position is not current"));\r
-       return FALSE;\r
-    }\r
-    return TRUE;\r
-}\r
-\r
-FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;\r
-int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;\r
-int lastLoadGameUseList = FALSE;\r
-char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];\r
-ChessMove lastLoadGameStart = (ChessMove) 0;\r
-\r
-\r
-ChessMove\r
-UserMoveTest(fromX, fromY, toX, toY, promoChar)\r
-     int fromX, fromY, toX, toY;\r
-     int promoChar;\r
-{\r
-    ChessMove moveType;\r
-    ChessSquare pdown, pup;\r
-\r
-    if (fromX < 0 || fromY < 0) return ImpossibleMove;\r
-    if ((fromX == toX) && (fromY == toY)) {\r
-        return ImpossibleMove;\r
-    }\r
-\r
-    /* [HGM] suppress all moves into holdings area and guard band */\r
-    if( toX < BOARD_LEFT || toX >= BOARD_RGHT || toY < 0 )\r
-            return ImpossibleMove;\r
-\r
-    /* [HGM] <sameColor> moved to here from winboard.c */\r
-    /* note: this code seems to exist for filtering out some obviously illegal premoves */\r
-    pdown = boards[currentMove][fromY][fromX];\r
-    pup = boards[currentMove][toY][toX];\r
-    if (    gameMode != EditPosition &&\r
-            (WhitePawn <= pdown && pdown < BlackPawn &&\r
-             WhitePawn <= pup && pup < BlackPawn  ||\r
-             BlackPawn <= pdown && pdown < EmptySquare &&\r
-             BlackPawn <= pup && pup < EmptySquare \r
-            ) && !((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&\r
-                    (pup == WhiteRook && pdown == WhiteKing && fromY == 0 && toY == 0||\r
-                     pup == BlackRook && pdown == BlackKing && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1  ) \r
-        )           )\r
-         return ImpossibleMove;\r
-\r
-    /* Check if the user is playing in turn.  This is complicated because we\r
-       let the user "pick up" a piece before it is his turn.  So the piece he\r
-       tried to pick up may have been captured by the time he puts it down!\r
-       Therefore we use the color the user is supposed to be playing in this\r
-       test, not the color of the piece that is currently on the starting\r
-       square---except in EditGame mode, where the user is playing both\r
-       sides; fortunately there the capture race can't happen.  (It can\r
-       now happen in IcsExamining mode, but that's just too bad.  The user\r
-       will get a somewhat confusing message in that case.)\r
-       */\r
-\r
-    switch (gameMode) {\r
-      case PlayFromGameFile:\r
-      case AnalyzeFile:\r
-      case TwoMachinesPlay:\r
-      case EndOfGame:\r
-      case IcsObserving:\r
-      case IcsIdle:\r
-       /* We switched into a game mode where moves are not accepted,\r
-           perhaps while the mouse button was down. */\r
-        return ImpossibleMove;\r
-\r
-      case MachinePlaysWhite:\r
-       /* User is moving for Black */\r
-       if (WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is White's turn"));\r
-            return ImpossibleMove;\r
-       }\r
-       break;\r
-\r
-      case MachinePlaysBlack:\r
-       /* User is moving for White */\r
-       if (!WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is Black's turn"));\r
-            return ImpossibleMove;\r
-       }\r
-       break;\r
-\r
-      case EditGame:\r
-      case IcsExamining:\r
-      case BeginningOfGame:\r
-      case AnalyzeMode:\r
-      case Training:\r
-       if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&\r
-            (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {\r
-           /* User is moving for Black */\r
-           if (WhiteOnMove(currentMove)) {\r
-               DisplayMoveError(_("It is White's turn"));\r
-                return ImpossibleMove;\r
-           }\r
-       } else {\r
-           /* User is moving for White */\r
-           if (!WhiteOnMove(currentMove)) {\r
-               DisplayMoveError(_("It is Black's turn"));\r
-                return ImpossibleMove;\r
-           }\r
-       }\r
-       break;\r
-\r
-      case IcsPlayingBlack:\r
-       /* User is moving for Black */\r
-       if (WhiteOnMove(currentMove)) {\r
-           if (!appData.premove) {\r
-               DisplayMoveError(_("It is White's turn"));\r
-           } else if (toX >= 0 && toY >= 0) {\r
-               premoveToX = toX;\r
-               premoveToY = toY;\r
-               premoveFromX = fromX;\r
-               premoveFromY = fromY;\r
-               premovePromoChar = promoChar;\r
-               gotPremove = 1;\r
-               if (appData.debugMode) \r
-                   fprintf(debugFP, "Got premove: fromX %d,"\r
-                           "fromY %d, toX %d, toY %d\n",\r
-                           fromX, fromY, toX, toY);\r
-           }\r
-            return ImpossibleMove;\r
-       }\r
-       break;\r
-\r
-      case IcsPlayingWhite:\r
-       /* User is moving for White */\r
-       if (!WhiteOnMove(currentMove)) {\r
-           if (!appData.premove) {\r
-               DisplayMoveError(_("It is Black's turn"));\r
-           } else if (toX >= 0 && toY >= 0) {\r
-               premoveToX = toX;\r
-               premoveToY = toY;\r
-               premoveFromX = fromX;\r
-               premoveFromY = fromY;\r
-               premovePromoChar = promoChar;\r
-               gotPremove = 1;\r
-               if (appData.debugMode) \r
-                   fprintf(debugFP, "Got premove: fromX %d,"\r
-                           "fromY %d, toX %d, toY %d\n",\r
-                           fromX, fromY, toX, toY);\r
-           }\r
-            return ImpossibleMove;\r
-       }\r
-       break;\r
-\r
-      default:\r
-       break;\r
-\r
-      case EditPosition:\r
-       /* EditPosition, empty square, or different color piece;\r
-          click-click move is possible */\r
-       if (toX == -2 || toY == -2) {\r
-           boards[0][fromY][fromX] = EmptySquare;\r
-           return AmbiguousMove;\r
-       } else if (toX >= 0 && toY >= 0) {\r
-           boards[0][toY][toX] = boards[0][fromY][fromX];\r
-           boards[0][fromY][fromX] = EmptySquare;\r
-           return AmbiguousMove;\r
-       }\r
-        return ImpossibleMove;\r
-    }\r
-\r
-    /* [HGM] If move started in holdings, it means a drop */\r
-    if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) { \r
-         if( pup != EmptySquare ) return ImpossibleMove;\r
-         if(appData.testLegality) {\r
-             /* it would be more logical if LegalityTest() also figured out\r
-              * which drops are legal. For now we forbid pawns on back rank.\r
-              * Shogi is on its own here...\r
-              */\r
-             if( (pdown == WhitePawn || pdown == BlackPawn) &&\r
-                 (toY == 0 || toY == BOARD_HEIGHT -1 ) )\r
-                 return(ImpossibleMove); /* no pawn drops on 1st/8th */\r
-         }\r
-         return WhiteDrop; /* Not needed to specify white or black yet */\r
-    }\r
-\r
-    userOfferedDraw = FALSE;\r
-       \r
-    /* [HGM] always test for legality, to get promotion info */\r
-    moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),\r
-                          epStatus[currentMove], castlingRights[currentMove],\r
-                                         fromY, fromX, toY, toX, promoChar);\r
-\r
-    /* [HGM] but possibly ignore an IllegalMove result */\r
-    if (appData.testLegality) {\r
-       if (moveType == IllegalMove || moveType == ImpossibleMove) {\r
-           DisplayMoveError(_("Illegal move"));\r
-            return ImpossibleMove;\r
-       }\r
-    }\r
-if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);\r
-    return moveType;\r
-    /* [HGM] <popupFix> in stead of calling FinishMove directly, this\r
-       function is made into one that returns an OK move type if FinishMove\r
-       should be called. This to give the calling driver routine the\r
-       opportunity to finish the userMove input with a promotion popup,\r
-       without bothering the user with this for invalid or illegal moves */\r
-\r
-/*    FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */\r
-}\r
-\r
-/* Common tail of UserMoveEvent and DropMenuEvent */\r
-int\r
-FinishMove(moveType, fromX, fromY, toX, toY, promoChar)\r
-     ChessMove moveType;\r
-     int fromX, fromY, toX, toY;\r
-     /*char*/int promoChar;\r
-{\r
-    char *bookHit = 0;\r
-if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);\r
-    if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) { \r
-       // [HGM] superchess: suppress promotions to non-available piece\r
-       int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));\r
-       if(WhiteOnMove(currentMove)) {\r
-           if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;\r
-       } else {\r
-           if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;\r
-       }\r
-    }\r
-\r
-    /* [HGM] <popupFix> kludge to avoid having to know the exact promotion\r
-       move type in caller when we know the move is a legal promotion */\r
-    if(moveType == NormalMove && promoChar)\r
-        moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);\r
-if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);\r
-    /* [HGM] convert drag-and-drop piece drops to standard form */\r
-    if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {\r
-         moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;\r
-         fromX = boards[currentMove][fromY][fromX];\r
-         fromY = DROP_RANK;\r
-    }\r
-\r
-    /* [HGM] <popupFix> The following if has been moved here from\r
-       UserMoveEvent(). Because it seemed to belon here (why not allow\r
-       piece drops in training games?), and because it can only be\r
-       performed after it is known to what we promote. */\r
-    if (gameMode == Training) {\r
-      /* compare the move played on the board to the next move in the\r
-       * game. If they match, display the move and the opponent's response. \r
-       * If they don't match, display an error message.\r
-       */\r
-      int saveAnimate;\r
-      Board testBoard; char testRights[BOARD_SIZE]; char testStatus;\r
-      CopyBoard(testBoard, boards[currentMove]);\r
-      ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);\r
-\r
-      if (CompareBoards(testBoard, boards[currentMove+1])) {\r
-       ForwardInner(currentMove+1);\r
-\r
-       /* Autoplay the opponent's response.\r
-        * if appData.animate was TRUE when Training mode was entered,\r
-        * the response will be animated.\r
-        */\r
-       saveAnimate = appData.animate;\r
-       appData.animate = animateTraining;\r
-       ForwardInner(currentMove+1);\r
-       appData.animate = saveAnimate;\r
-\r
-       /* check for the end of the game */\r
-       if (currentMove >= forwardMostMove) {\r
-         gameMode = PlayFromGameFile;\r
-         ModeHighlight();\r
-         SetTrainingModeOff();\r
-         DisplayInformation(_("End of game"));\r
-       }\r
-      } else {\r
-       DisplayError(_("Incorrect move"), 0);\r
-      }\r
-      return 1;\r
-    }\r
-\r
-  /* Ok, now we know that the move is good, so we can kill\r
-     the previous line in Analysis Mode */\r
-  if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {\r
-    forwardMostMove = currentMove;\r
-  }\r
-\r
-  /* If we need the chess program but it's dead, restart it */\r
-  ResurrectChessProgram();\r
-\r
-  /* A user move restarts a paused game*/\r
-  if (pausing)\r
-    PauseEvent();\r
-\r
-  thinkOutput[0] = NULLCHAR;\r
-\r
-  MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/\r
-\r
-  if (gameMode == BeginningOfGame) {\r
-    if (appData.noChessProgram) {\r
-      gameMode = EditGame;\r
-      SetGameInfo();\r
-    } else {\r
-      char buf[MSG_SIZ];\r
-      gameMode = MachinePlaysBlack;\r
-      StartClocks();\r
-      SetGameInfo();\r
-      sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);\r
-      DisplayTitle(buf);\r
-      if (first.sendName) {\r
-       sprintf(buf, "name %s\n", gameInfo.white);\r
-       SendToProgram(buf, &first);\r
-      }\r
-      StartClocks();\r
-    }\r
-    ModeHighlight();\r
-  }\r
-if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);\r
-  /* Relay move to ICS or chess engine */\r
-  if (appData.icsActive) {\r
-    if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||\r
-       gameMode == IcsExamining) {\r
-      SendMoveToICS(moveType, fromX, fromY, toX, toY);\r
-      ics_user_moved = 1;\r
-    }\r
-  } else {\r
-    if (first.sendTime && (gameMode == BeginningOfGame ||\r
-                          gameMode == MachinePlaysWhite ||\r
-                          gameMode == MachinePlaysBlack)) {\r
-      SendTimeRemaining(&first, gameMode != MachinePlaysBlack);\r
-    }\r
-    if (gameMode != EditGame && gameMode != PlayFromGameFile) {\r
-        // [HGM] book: if program might be playing, let it use book\r
-       bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);\r
-       first.maybeThinking = TRUE;\r
-    } else SendMoveToProgram(forwardMostMove-1, &first);\r
-    if (currentMove == cmailOldMove + 1) {\r
-      cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;\r
-    }\r
-  }\r
-\r
-  ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-\r
-  switch (gameMode) {\r
-  case EditGame:\r
-    switch (MateTest(boards[currentMove], PosFlags(currentMove),\r
-                     EP_UNKNOWN, castlingRights[currentMove]) ) {\r
-    case MT_NONE:\r
-    case MT_CHECK:\r
-      break;\r
-    case MT_CHECKMATE:\r
-    case MT_STAINMATE:\r
-      if (WhiteOnMove(currentMove)) {\r
-       GameEnds(BlackWins, "Black mates", GE_PLAYER);\r
-      } else {\r
-       GameEnds(WhiteWins, "White mates", GE_PLAYER);\r
-      }\r
-      break;\r
-    case MT_STALEMATE:\r
-      GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);\r
-      break;\r
-    }\r
-    break;\r
-    \r
-  case MachinePlaysBlack:\r
-  case MachinePlaysWhite:\r
-    /* disable certain menu options while machine is thinking */\r
-    SetMachineThinkingEnables();\r
-    break;\r
-\r
-  default:\r
-    break;\r
-  }\r
-\r
-  if(bookHit) { // [HGM] book: simulate book reply\r
-       static char bookMove[MSG_SIZ]; // a bit generous?\r
-\r
-       programStats.nodes = programStats.depth = programStats.time = \r
-       programStats.score = programStats.got_only_move = 0;\r
-       sprintf(programStats.movelist, "%s (xbook)", bookHit);\r
-\r
-       strcpy(bookMove, "move ");\r
-       strcat(bookMove, bookHit);\r
-       HandleMachineMove(bookMove, &first);\r
-  }\r
-  return 1;\r
-}\r
-\r
-void\r
-UserMoveEvent(fromX, fromY, toX, toY, promoChar)\r
-     int fromX, fromY, toX, toY;\r
-     int promoChar;\r
-{\r
-    /* [HGM] This routine was added to allow calling of its two logical\r
-       parts from other modules in the old way. Before, UserMoveEvent()\r
-       automatically called FinishMove() if the move was OK, and returned\r
-       otherwise. I separated the two, in order to make it possible to\r
-       slip a promotion popup in between. But that it always needs two\r
-       calls, to the first part, (now called UserMoveTest() ), and to\r
-       FinishMove if the first part succeeded. Calls that do not need\r
-       to do anything in between, can call this routine the old way. \r
-    */\r
-    ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar);\r
-if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);\r
-    if(moveType != ImpossibleMove)\r
-        FinishMove(moveType, fromX, fromY, toX, toY, promoChar);\r
-}\r
-\r
-void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )\r
-{\r
-//    char * hint = lastHint;\r
-    FrontEndProgramStats stats;\r
-\r
-    stats.which = cps == &first ? 0 : 1;\r
-    stats.depth = cpstats->depth;\r
-    stats.nodes = cpstats->nodes;\r
-    stats.score = cpstats->score;\r
-    stats.time = cpstats->time;\r
-    stats.pv = cpstats->movelist;\r
-    stats.hint = lastHint;\r
-    stats.an_move_index = 0;\r
-    stats.an_move_count = 0;\r
-\r
-    if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {\r
-        stats.hint = cpstats->move_name;\r
-        stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;\r
-        stats.an_move_count = cpstats->nr_moves;\r
-    }\r
-\r
-    SetProgramStats( &stats );\r
-}\r
-\r
-char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)\r
-{   // [HGM] book: this routine intercepts moves to simulate book replies\r
-    char *bookHit = NULL;\r
-\r
-    //first determine if the incoming move brings opponent into his book\r
-    if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))\r
-       bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move\r
-    if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");\r
-    if(bookHit != NULL && !cps->bookSuspend) {\r
-       // make sure opponent is not going to reply after receiving move to book position\r
-       SendToProgram("force\n", cps);\r
-       cps->bookSuspend = TRUE; // flag indicating it has to be restarted\r
-    }\r
-    if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move\r
-    // now arrange restart after book miss\r
-    if(bookHit) {\r
-       // after a book hit we never send 'go', and the code after the call to this routine\r
-       // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').\r
-       char buf[MSG_SIZ];\r
-       if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(\r
-       sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it\r
-       SendToProgram(buf, cps);\r
-       if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'\r
-    } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine\r
-       SendToProgram("go\n", cps);\r
-       cps->bookSuspend = FALSE; // after a 'go' we are never suspended\r
-    } else { // 'go' might be sent based on 'firstMove' after this routine returns\r
-       if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return\r
-           SendToProgram("go\n", cps); \r
-       cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss\r
-    }\r
-    return bookHit; // notify caller of hit, so it can take action to send move to opponent\r
-}\r
-\r
-char *savedMessage;\r
-ChessProgramState *savedState;\r
-void DeferredBookMove(void)\r
-{\r
-       if(savedState->lastPing != savedState->lastPong)\r
-                   ScheduleDelayedEvent(DeferredBookMove, 10);\r
-       else\r
-       HandleMachineMove(savedMessage, savedState);\r
-}\r
-\r
-void\r
-HandleMachineMove(message, cps)\r
-     char *message;\r
-     ChessProgramState *cps;\r
-{\r
-    char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];\r
-    char realname[MSG_SIZ];\r
-    int fromX, fromY, toX, toY;\r
-    ChessMove moveType;\r
-    char promoChar;\r
-    char *p;\r
-    int machineWhite;\r
-    char *bookHit;\r
-\r
-FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit\r
-    /*\r
-     * Kludge to ignore BEL characters\r
-     */\r
-    while (*message == '\007') message++;\r
-\r
-    /*\r
-     * [HGM] engine debug message: ignore lines starting with '#' character\r
-     */\r
-    if(cps->debug && *message == '#') return;\r
-\r
-    /*\r
-     * Look for book output\r
-     */\r
-    if (cps == &first && bookRequested) {\r
-       if (message[0] == '\t' || message[0] == ' ') {\r
-           /* Part of the book output is here; append it */\r
-           strcat(bookOutput, message);\r
-           strcat(bookOutput, "  \n");\r
-           return;\r
-       } else if (bookOutput[0] != NULLCHAR) {\r
-           /* All of book output has arrived; display it */\r
-           char *p = bookOutput;\r
-           while (*p != NULLCHAR) {\r
-               if (*p == '\t') *p = ' ';\r
-               p++;\r
-           }\r
-           DisplayInformation(bookOutput);\r
-           bookRequested = FALSE;\r
-           /* Fall through to parse the current output */\r
-       }\r
-    }\r
-\r
-    /*\r
-     * Look for machine move.\r
-     */\r
-    if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||\r
-       (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0)) \r
-    {\r
-        /* This method is only useful on engines that support ping */\r
-        if (cps->lastPing != cps->lastPong) {\r
-         if (gameMode == BeginningOfGame) {\r
-           /* Extra move from before last new; ignore */\r
-           if (appData.debugMode) {\r
-               fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);\r
-           }\r
-         } else {\r
-           if (appData.debugMode) {\r
-               fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",\r
-                       cps->which, gameMode);\r
-           }\r
-\r
-            SendToProgram("undo\n", cps);\r
-         }\r
-         return;\r
-       }\r
-\r
-       switch (gameMode) {\r
-         case BeginningOfGame:\r
-           /* Extra move from before last reset; ignore */\r
-           if (appData.debugMode) {\r
-               fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);\r
-           }\r
-           return;\r
-\r
-         case EndOfGame:\r
-         case IcsIdle:\r
-         default:\r
-           /* Extra move after we tried to stop.  The mode test is\r
-              not a reliable way of detecting this problem, but it's\r
-              the best we can do on engines that don't support ping.\r
-           */\r
-           if (appData.debugMode) {\r
-               fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",\r
-                       cps->which, gameMode);\r
-           }\r
-           SendToProgram("undo\n", cps);\r
-           return;\r
-\r
-         case MachinePlaysWhite:\r
-         case IcsPlayingWhite:\r
-           machineWhite = TRUE;\r
-           break;\r
-\r
-         case MachinePlaysBlack:\r
-         case IcsPlayingBlack:\r
-           machineWhite = FALSE;\r
-           break;\r
-\r
-         case TwoMachinesPlay:\r
-           machineWhite = (cps->twoMachinesColor[0] == 'w');\r
-           break;\r
-       }\r
-       if (WhiteOnMove(forwardMostMove) != machineWhite) {\r
-           if (appData.debugMode) {\r
-               fprintf(debugFP,\r
-                       "Ignoring move out of turn by %s, gameMode %d"\r
-                       ", forwardMost %d\n",\r
-                       cps->which, gameMode, forwardMostMove);\r
-           }\r
-           return;\r
-       }\r
-\r
-    if (appData.debugMode) { int f = forwardMostMove;\r
-        fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,\r
-                castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);\r
-    }\r
-        if(cps->alphaRank) AlphaRank(machineMove, 4);\r
-        if (!ParseOneMove(machineMove, forwardMostMove, &moveType,\r
-                              &fromX, &fromY, &toX, &toY, &promoChar)) {\r
-           /* Machine move could not be parsed; ignore it. */\r
-            sprintf(buf1, _("Illegal move \"%s\" from %s machine"),\r
-                   machineMove, cps->which);\r
-           DisplayError(buf1, 0);\r
-            sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",\r
-                    machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);\r
-           if (gameMode == TwoMachinesPlay) {\r
-             GameEnds(machineWhite ? BlackWins : WhiteWins,\r
-                       buf1, GE_XBOARD);\r
-           }\r
-           return;\r
-       }\r
-\r
-        /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */\r
-        /* So we have to redo legality test with true e.p. status here,  */\r
-        /* to make sure an illegal e.p. capture does not slip through,   */\r
-        /* to cause a forfeit on a justified illegal-move complaint      */\r
-        /* of the opponent.                                              */\r
-        if( gameMode==TwoMachinesPlay && appData.testLegality\r
-            && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */\r
-                                                              ) {\r
-           ChessMove moveType;\r
-           moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),\r
-                        epStatus[forwardMostMove], castlingRights[forwardMostMove],\r
-                             fromY, fromX, toY, toX, promoChar);\r
-           if (appData.debugMode) {\r
-                int i;\r
-                for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",\r
-                    castlingRights[forwardMostMove][i], castlingRank[i]);\r
-                fprintf(debugFP, "castling rights\n");\r
-           }\r
-            if(moveType == IllegalMove) {\r
-                sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",\r
-                        machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);\r
-                GameEnds(machineWhite ? BlackWins : WhiteWins,\r
-                           buf1, GE_XBOARD);\r
-               return;\r
-           } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)\r
-           /* [HGM] Kludge to handle engines that send FRC-style castling\r
-              when they shouldn't (like TSCP-Gothic) */\r
-           switch(moveType) {\r
-             case WhiteASideCastleFR:\r
-             case BlackASideCastleFR:\r
-               toX+=2;\r
-               currentMoveString[2]++;\r
-               break;\r
-             case WhiteHSideCastleFR:\r
-             case BlackHSideCastleFR:\r
-               toX--;\r
-               currentMoveString[2]--;\r
-               break;\r
-            default: ; // nothing to do, but suppresses warning of pedantic compilers\r
-           }\r
-        }\r
-       hintRequested = FALSE;\r
-       lastHint[0] = NULLCHAR;\r
-       bookRequested = FALSE;\r
-       /* Program may be pondering now */\r
-       cps->maybeThinking = TRUE;\r
-       if (cps->sendTime == 2) cps->sendTime = 1;\r
-       if (cps->offeredDraw) cps->offeredDraw--;\r
-\r
-#if ZIPPY\r
-       if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&\r
-           first.initDone) {\r
-         SendMoveToICS(moveType, fromX, fromY, toX, toY);\r
-         ics_user_moved = 1;\r
-         if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */\r
-               char buf[3*MSG_SIZ];\r
-\r
-               sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %.0f nodes, %1.0f knps) PV=%s\n",\r
-                       programStats.score / 100.,\r
-                       programStats.depth,\r
-                       programStats.time / 100.,\r
-                       u64ToDouble(programStats.nodes),\r
-                       u64ToDouble(programStats.nodes) / (10*abs(programStats.time) + 1.),\r
-                       programStats.movelist);\r
-               SendToICS(buf);\r
-         }\r
-       }\r
-#endif\r
-       /* currentMoveString is set as a side-effect of ParseOneMove */\r
-       strcpy(machineMove, currentMoveString);\r
-       strcat(machineMove, "\n");\r
-       strcpy(moveList[forwardMostMove], machineMove);\r
-\r
-        /* [AS] Save move info and clear stats for next move */\r
-        pvInfoList[ forwardMostMove ].score = programStats.score;\r
-        pvInfoList[ forwardMostMove ].depth = programStats.depth;\r
-        pvInfoList[ forwardMostMove ].time =  programStats.time; // [HGM] PGNtime: take time from engine stats\r
-        ClearProgramStats();\r
-        thinkOutput[0] = NULLCHAR;\r
-        hiddenThinkOutputState = 0;\r
-\r
-       MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/\r
-\r
-        /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */\r
-        if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {\r
-            int count = 0;\r
-\r
-            while( count < adjudicateLossPlies ) {\r
-                int score = pvInfoList[ forwardMostMove - count - 1 ].score;\r
-\r
-                if( count & 1 ) {\r
-                    score = -score; /* Flip score for winning side */\r
-                }\r
-\r
-                if( score > adjudicateLossThreshold ) {\r
-                    break;\r
-                }\r
-\r
-                count++;\r
-            }\r
-\r
-            if( count >= adjudicateLossPlies ) {\r
-               ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-\r
-                GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, \r
-                    "Xboard adjudication", \r
-                    GE_XBOARD );\r
-\r
-                return;\r
-            }\r
-        }\r
-\r
-       if( gameMode == TwoMachinesPlay ) {\r
-         // [HGM] some adjudications useful with buggy engines\r
-            int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;\r
-         if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {\r
-\r
-\r
-           if( appData.testLegality )\r
-           {   /* [HGM] Some more adjudications for obstinate engines */\r
-               int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,\r
-                    NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,\r
-                    NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;\r
-               static int moveCount = 6;\r
-               ChessMove result;\r
-               char *reason = NULL;\r
-\r
-                /* Count what is on board. */\r
-               for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)\r
-               {   ChessSquare p = boards[forwardMostMove][i][j];\r
-                   int m=i;\r
-\r
-                   switch((int) p)\r
-                   {   /* count B,N,R and other of each side */\r
-                        case WhiteKing:\r
-                        case BlackKing:\r
-                            NrK++; break; // [HGM] atomic: count Kings\r
-                        case WhiteKnight:\r
-                             NrWN++; break;\r
-                        case WhiteBishop:\r
-                        case WhiteFerz:    // [HGM] shatranj: kludge to mke it work in shatranj\r
-                             bishopsColor |= 1 << ((i^j)&1);\r
-                             NrWB++; break;\r
-                        case BlackKnight:\r
-                             NrBN++; break;\r
-                        case BlackBishop:\r
-                        case BlackFerz:    // [HGM] shatranj: kludge to mke it work in shatranj\r
-                             bishopsColor |= 1 << ((i^j)&1);\r
-                             NrBB++; break;\r
-                        case WhiteRook:\r
-                             NrWR++; break;\r
-                        case BlackRook:\r
-                             NrBR++; break;\r
-                        case WhiteQueen:\r
-                             NrWQ++; break;\r
-                        case BlackQueen:\r
-                             NrBQ++; break;\r
-                        case EmptySquare: \r
-                             break;\r
-                        case BlackPawn:\r
-                             m = 7-i;\r
-                        case WhitePawn:\r
-                             PawnAdvance += m; NrPawns++;\r
-                    }\r
-                    NrPieces += (p != EmptySquare);\r
-                    NrW += ((int)p < (int)BlackPawn);\r
-                   if(gameInfo.variant == VariantXiangqi && \r
-                     (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {\r
-                       NrPieces--; // [HGM] XQ: do not count purely defensive pieces\r
-                        NrW -= ((int)p < (int)BlackPawn);\r
-                   }\r
-                }\r
-\r
-               /* Some material-based adjudications that have to be made before stalemate test */\r
-               if(gameInfo.variant == VariantAtomic && NrK < 2) {\r
-                   // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal\r
-                    epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated\r
-                    if(appData.checkMates) {\r
-                        SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move\r
-                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                         GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins, \r
-                                                       "Xboard adjudication: King destroyed", GE_XBOARD );\r
-                         return;\r
-                    }\r
-               }\r
-\r
-               /* Bare King in Shatranj (loses) or Losers (wins) */\r
-                if( NrW == 1 || NrPieces - NrW == 1) {\r
-                  if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)\r
-                    epStatus[forwardMostMove] = EP_WINS;  // mark as win, so it becomes claimable\r
-                    if(appData.checkMates) {\r
-                        SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move\r
-                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                         GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, \r
-                                                       "Xboard adjudication: Bare king", GE_XBOARD );\r
-                         return;\r
-                    }\r
-                 } else\r
-                  if( gameInfo.variant == VariantShatranj && --bare < 0)\r
-                  {    /* bare King */\r
-                       epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm\r
-                       if(appData.checkMates) {\r
-                           /* but only adjudicate if adjudication enabled */\r
-                           SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move\r
-                           ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                           GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn, \r
-                                                       "Xboard adjudication: Bare king", GE_XBOARD );\r
-                           return;\r
-                       }\r
-                 }\r
-                } else bare = 1;\r
-\r
-\r
-            // don't wait for engine to announce game end if we can judge ourselves\r
-            switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,\r
-                                       castlingRights[forwardMostMove]) ) {\r
-             case MT_CHECK:\r
-               if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time\r
-                   int i, checkCnt = 0;    // (should really be done by making nr of checks part of game state)\r
-                   for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {\r
-                       if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)\r
-                           checkCnt++;\r
-                       if(checkCnt >= 2) {\r
-                           reason = "Xboard adjudication: 3rd check";\r
-                           epStatus[forwardMostMove] = EP_CHECKMATE;\r
-                           break;\r
-                       }\r
-                   }\r
-               }\r
-             case MT_NONE:\r
-             default:\r
-               break;\r
-             case MT_STALEMATE:\r
-             case MT_STAINMATE:\r
-               reason = "Xboard adjudication: Stalemate";\r
-               if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt\r
-                   epStatus[forwardMostMove] = EP_STALEMATE;   // default result for stalemate is draw\r
-                   if(gameInfo.variant == VariantLosers  || gameInfo.variant == VariantGiveaway) // [HGM] losers:\r
-                       epStatus[forwardMostMove] = EP_WINS;    // in these variants stalemated is always a win\r
-                   else if(gameInfo.variant == VariantSuicide) // in suicide it depends\r
-                       epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :\r
-                                                  ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?\r
-                                                                       EP_CHECKMATE : EP_WINS);\r
-                   else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)\r
-                       epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses\r
-               }\r
-               break;\r
-             case MT_CHECKMATE:\r
-               reason = "Xboard adjudication: Checkmate";\r
-               epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);\r
-               break;\r
-           }\r
-\r
-               switch(i = epStatus[forwardMostMove]) {\r
-                   case EP_STALEMATE:\r
-                       result = GameIsDrawn; break;\r
-                   case EP_CHECKMATE:\r
-                       result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;\r
-                   case EP_WINS:\r
-                       result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;\r
-                   default:\r
-                       result = (ChessMove) 0;\r
-               }\r
-                if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested\r
-                   SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */\r
-                   ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                   GameEnds( result, reason, GE_XBOARD );\r
-                   return;\r
-               }\r
-\r
-                /* Next absolutely insufficient mating material. */\r
-                if( NrPieces == 2 || gameInfo.variant != VariantXiangqi && \r
-                                    gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible\r
-                       (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||\r
-                        NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color\r
-                {    /* KBK, KNK, KK of KBKB with like Bishops */\r
-\r
-                     /* always flag draws, for judging claims */\r
-                     epStatus[forwardMostMove] = EP_INSUF_DRAW;\r
-\r
-                     if(appData.materialDraws) {\r
-                         /* but only adjudicate them if adjudication enabled */\r
-                        SendToProgram("force\n", cps->other); // suppress reply\r
-                        SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */\r
-                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                         GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );\r
-                         return;\r
-                     }\r
-                }\r
-\r
-                /* Then some trivial draws (only adjudicate, cannot be claimed) */\r
-                if(NrPieces == 4 && \r
-                   (   NrWR == 1 && NrBR == 1 /* KRKR */\r
-                   || NrWQ==1 && NrBQ==1     /* KQKQ */\r
-                   || NrWN==2 || NrBN==2     /* KNNK */\r
-                   || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */\r
-                  ) ) {\r
-                     if(--moveCount < 0 && appData.trivialDraws)\r
-                     {    /* if the first 3 moves do not show a tactical win, declare draw */\r
-                         SendToProgram("force\n", cps->other); // suppress reply\r
-                         SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */\r
-                          ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                          GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );\r
-                          return;\r
-                     }\r
-                } else moveCount = 6;\r
-           }\r
-         }\r
-#if 1\r
-    if (appData.debugMode) { int i;\r
-      fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",\r
-              forwardMostMove, backwardMostMove, epStatus[backwardMostMove],\r
-              appData.drawRepeats);\r
-      for( i=forwardMostMove; i>=backwardMostMove; i-- )\r
-           fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);\r
-\r
-    }\r
-#endif\r
-                /* Check for rep-draws */\r
-                count = 0;\r
-                for(k = forwardMostMove-2;\r
-                    k>=backwardMostMove && k>=forwardMostMove-100 &&\r
-                        epStatus[k] < EP_UNKNOWN &&\r
-                        epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;\r
-                    k-=2)\r
-                {   int rights=0;\r
-#if 0\r
-    if (appData.debugMode) {\r
-      fprintf(debugFP, " loop\n");\r
-    }\r
-#endif\r
-                    if(CompareBoards(boards[k], boards[forwardMostMove])) {\r
-#if 0\r
-    if (appData.debugMode) {\r
-      fprintf(debugFP, "match\n");\r
-    }\r
-#endif\r
-                        /* compare castling rights */\r
-                        if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&\r
-                             (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )\r
-                                rights++; /* King lost rights, while rook still had them */\r
-                        if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */\r
-                            if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||\r
-                                castlingRights[forwardMostMove][1] != castlingRights[k][1] )\r
-                                   rights++; /* but at least one rook lost them */\r
-                        }\r
-                        if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&\r
-                             (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )\r
-                                rights++; \r
-                        if( castlingRights[forwardMostMove][5] >= 0 ) {\r
-                            if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||\r
-                                castlingRights[forwardMostMove][4] != castlingRights[k][4] )\r
-                                   rights++;\r
-                        }\r
-#if 0\r
-    if (appData.debugMode) {\r
-      for(i=0; i<nrCastlingRights; i++)\r
-      fprintf(debugFP, " (%d,%d)", castlingRights[forwardMostMove][i], castlingRights[k][i]);\r
-    }\r
-\r
-    if (appData.debugMode) {\r
-      fprintf(debugFP, " %d %d\n", rights, k);\r
-    }\r
-#endif\r
-                        if( rights == 0 && ++count > appData.drawRepeats-2\r
-                            && appData.drawRepeats > 1) {\r
-                             /* adjudicate after user-specified nr of repeats */\r
-                            SendToProgram("force\n", cps->other); // suppress reply\r
-                            SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */\r
-                             ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                            if(gameInfo.variant == VariantXiangqi && appData.testLegality) { \r
-                               // [HGM] xiangqi: check for forbidden perpetuals\r
-                               int m, ourPerpetual = 1, hisPerpetual = 1;\r
-                               for(m=forwardMostMove; m>k; m-=2) {\r
-                                   if(MateTest(boards[m], PosFlags(m), \r
-                                                       EP_NONE, castlingRights[m]) != MT_CHECK)\r
-                                       ourPerpetual = 0; // the current mover did not always check\r
-                                   if(MateTest(boards[m-1], PosFlags(m-1), \r
-                                                       EP_NONE, castlingRights[m-1]) != MT_CHECK)\r
-                                       hisPerpetual = 0; // the opponent did not always check\r
-                               }\r
-                               if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",\r
-                                                                       ourPerpetual, hisPerpetual);\r
-                               if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit\r
-                                   GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, \r
-                                          "Xboard adjudication: perpetual checking", GE_XBOARD );\r
-                                   return;\r
-                               }\r
-                               if(hisPerpetual && !ourPerpetual)   // he is checking us, but did not repeat yet\r
-                                   break; // (or we would have caught him before). Abort repetition-checking loop.\r
-                               // Now check for perpetual chases\r
-                               if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase\r
-                                   hisPerpetual = PerpetualChase(k, forwardMostMove);\r
-                                   ourPerpetual = PerpetualChase(k+1, forwardMostMove);\r
-                                   if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit\r
-                                       GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, \r
-                                                     "Xboard adjudication: perpetual chasing", GE_XBOARD );\r
-                                       return;\r
-                                   }\r
-                                   if(hisPerpetual && !ourPerpetual)   // he is chasing us, but did not repeat yet\r
-                                       break; // Abort repetition-checking loop.\r
-                               }\r
-                               // if neither of us is checking or chasing all the time, or both are, it is draw\r
-                            }\r
-                             GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );\r
-                             return;\r
-                        }\r
-                        if( rights == 0 && count > 1 ) /* occurred 2 or more times before */\r
-                             epStatus[forwardMostMove] = EP_REP_DRAW;\r
-                    }\r
-                }\r
-\r
-                /* Now we test for 50-move draws. Determine ply count */\r
-                count = forwardMostMove;\r
-                /* look for last irreversble move */\r
-                while( epStatus[count] <= EP_NONE && count > backwardMostMove )\r
-                    count--;\r
-                /* if we hit starting position, add initial plies */\r
-                if( count == backwardMostMove )\r
-                    count -= initialRulePlies;\r
-                count = forwardMostMove - count; \r
-                if( count >= 100)\r
-                         epStatus[forwardMostMove] = EP_RULE_DRAW;\r
-                         /* this is used to judge if draw claims are legal */\r
-                if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {\r
-                        SendToProgram("force\n", cps->other); // suppress reply\r
-                        SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */\r
-                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                         GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );\r
-                         return;\r
-                }\r
-\r
-                /* if draw offer is pending, treat it as a draw claim\r
-                 * when draw condition present, to allow engines a way to\r
-                 * claim draws before making their move to avoid a race\r
-                 * condition occurring after their move\r
-                 */\r
-                if( cps->other->offeredDraw || cps->offeredDraw ) {\r
-                         char *p = NULL;\r
-                         if(epStatus[forwardMostMove] == EP_RULE_DRAW)\r
-                             p = "Draw claim: 50-move rule";\r
-                         if(epStatus[forwardMostMove] == EP_REP_DRAW)\r
-                             p = "Draw claim: 3-fold repetition";\r
-                         if(epStatus[forwardMostMove] == EP_INSUF_DRAW)\r
-                             p = "Draw claim: insufficient mating material";\r
-                         if( p != NULL ) {\r
-                            SendToProgram("force\n", cps->other); // suppress reply\r
-                            SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */\r
-                             GameEnds( GameIsDrawn, p, GE_XBOARD );\r
-                             ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-                             return;\r
-                         }\r
-                }\r
-\r
-\r
-               if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {\r
-                   SendToProgram("force\n", cps->other); // suppress reply\r
-                   SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */\r
-                   ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-\r
-                   GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );\r
-\r
-                   return;\r
-               }\r
-        }\r
-\r
-       bookHit = NULL;\r
-       if (gameMode == TwoMachinesPlay) {\r
-            /* [HGM] relaying draw offers moved to after reception of move */\r
-            /* and interpreting offer as claim if it brings draw condition */\r
-            if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {\r
-                SendToProgram("draw\n", cps->other);\r
-            }\r
-           if (cps->other->sendTime) {\r
-               SendTimeRemaining(cps->other,\r
-                                 cps->other->twoMachinesColor[0] == 'w');\r
-           }\r
-           bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);\r
-           if (firstMove && !bookHit) {\r
-               firstMove = FALSE;\r
-               if (cps->other->useColors) {\r
-                 SendToProgram(cps->other->twoMachinesColor, cps->other);\r
-               }\r
-               SendToProgram("go\n", cps->other);\r
-           }\r
-           cps->other->maybeThinking = TRUE;\r
-       }\r
-\r
-       ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/\r
-       \r
-        if (!pausing && appData.ringBellAfterMoves) {\r
-           RingBell();\r
-       }\r
-\r
-       /* \r
-        * Reenable menu items that were disabled while\r
-        * machine was thinking\r
-        */\r
-       if (gameMode != TwoMachinesPlay)\r
-           SetUserThinkingEnables();\r
-\r
-       // [HGM] book: after book hit opponent has received move and is now in force mode\r
-       // force the book reply into it, and then fake that it outputted this move by jumping\r
-       // back to the beginning of HandleMachineMove, with cps toggled and message set to this move\r
-       if(bookHit) {\r
-               static char bookMove[MSG_SIZ]; // a bit generous?\r
-\r
-               strcpy(bookMove, "move ");\r
-               strcat(bookMove, bookHit);\r
-               message = bookMove;\r
-               cps = cps->other;\r
-               programStats.nodes = programStats.depth = programStats.time = \r
-               programStats.score = programStats.got_only_move = 0;\r
-               sprintf(programStats.movelist, "%s (xbook)", bookHit);\r
-\r
-               if(cps->lastPing != cps->lastPong) {\r
-                   savedMessage = message; // args for deferred call\r
-                   savedState = cps;\r
-                   ScheduleDelayedEvent(DeferredBookMove, 10);\r
-                   return;\r
-               }\r
-               goto FakeBookMove;\r
-       }\r
-\r
-       return;\r
-    }\r
-\r
-    /* Set special modes for chess engines.  Later something general\r
-     *  could be added here; for now there is just one kludge feature,\r
-     *  needed because Crafty 15.10 and earlier don't ignore SIGINT\r
-     *  when "xboard" is given as an interactive command.\r
-     */\r
-    if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {\r
-       cps->useSigint = FALSE;\r
-       cps->useSigterm = FALSE;\r
-    }\r
-\r
-    /* [HGM] Allow engine to set up a position. Don't ask me why one would\r
-     * want this, I was asked to put it in, and obliged.\r
-     */\r
-    if (!strncmp(message, "setboard ", 9)) {\r
-        Board initial_position; int i;\r
-\r
-        GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);\r
-\r
-        if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {\r
-            DisplayError(_("Bad FEN received from engine"), 0);\r
-            return ;\r
-        } else {\r
-           Reset(FALSE, FALSE);\r
-           CopyBoard(boards[0], initial_position);\r
-           initialRulePlies = FENrulePlies;\r
-           epStatus[0] = FENepStatus;\r
-           for( i=0; i<nrCastlingRights; i++ )\r
-                castlingRights[0][i] = FENcastlingRights[i];\r
-           if(blackPlaysFirst) gameMode = MachinePlaysWhite;\r
-           else gameMode = MachinePlaysBlack;                 \r
-           DrawPosition(FALSE, boards[currentMove]);\r
-        }\r
-       return;\r
-    }\r
-\r
-    /*\r
-     * Look for communication commands\r
-     */\r
-    if (!strncmp(message, "telluser ", 9)) {\r
-       DisplayNote(message + 9);\r
-       return;\r
-    }\r
-    if (!strncmp(message, "tellusererror ", 14)) {\r
-       DisplayError(message + 14, 0);\r
-       return;\r
-    }\r
-    if (!strncmp(message, "tellopponent ", 13)) {\r
-      if (appData.icsActive) {\r
-       if (loggedOn) {\r
-         snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);\r
-         SendToICS(buf1);\r
-       }\r
-      } else {\r
-       DisplayNote(message + 13);\r
-      }\r
-      return;\r
-    }\r
-    if (!strncmp(message, "tellothers ", 11)) {\r
-      if (appData.icsActive) {\r
-       if (loggedOn) {\r
-         snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);\r
-         SendToICS(buf1);\r
-       }\r
-      }\r
-      return;\r
-    }\r
-    if (!strncmp(message, "tellall ", 8)) {\r
-      if (appData.icsActive) {\r
-       if (loggedOn) {\r
-         snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);\r
-         SendToICS(buf1);\r
-       }\r
-      } else {\r
-       DisplayNote(message + 8);\r
-      }\r
-      return;\r
-    }\r
-    if (strncmp(message, "warning", 7) == 0) {\r
-       /* Undocumented feature, use tellusererror in new code */\r
-       DisplayError(message, 0);\r
-       return;\r
-    }\r
-    if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {\r
-       strcpy(realname, cps->tidy);\r
-       strcat(realname, " query");\r
-       AskQuestion(realname, buf2, buf1, cps->pr);\r
-       return;\r
-    }\r
-    /* Commands from the engine directly to ICS.  We don't allow these to be \r
-     *  sent until we are logged on. Crafty kibitzes have been known to \r
-     *  interfere with the login process.\r
-     */\r
-    if (loggedOn) {\r
-       if (!strncmp(message, "tellics ", 8)) {\r
-           SendToICS(message + 8);\r
-           SendToICS("\n");\r
-           return;\r
-       }\r
-       if (!strncmp(message, "tellicsnoalias ", 15)) {\r
-           SendToICS(ics_prefix);\r
-           SendToICS(message + 15);\r
-           SendToICS("\n");\r
-           return;\r
-       }\r
-       /* The following are for backward compatibility only */\r
-       if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||\r
-           !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {\r
-           SendToICS(ics_prefix);\r
-           SendToICS(message);\r
-           SendToICS("\n");\r
-           return;\r
-       }\r
-    }\r
-    if (strncmp(message, "feature ", 8) == 0) {\r
-      ParseFeatures(message+8, cps);\r
-    }\r
-    if (sscanf(message, "pong %d", &cps->lastPong) == 1) {\r
-       return;\r
-    }\r
-    /*\r
-     * If the move is illegal, cancel it and redraw the board.\r
-     * Also deal with other error cases.  Matching is rather loose\r
-     * here to accommodate engines written before the spec.\r
-     */\r
-    if (strncmp(message + 1, "llegal move", 11) == 0 ||\r
-       strncmp(message, "Error", 5) == 0) {\r
-       if (StrStr(message, "name") || \r
-           StrStr(message, "rating") || StrStr(message, "?") ||\r
-           StrStr(message, "result") || StrStr(message, "board") ||\r
-           StrStr(message, "bk") || StrStr(message, "computer") ||\r
-           StrStr(message, "variant") || StrStr(message, "hint") ||\r
-           StrStr(message, "random") || StrStr(message, "depth") ||\r
-           StrStr(message, "accepted")) {\r
-           return;\r
-       }\r
-       if (StrStr(message, "protover")) {\r
-         /* Program is responding to input, so it's apparently done\r
-             initializing, and this error message indicates it is\r
-             protocol version 1.  So we don't need to wait any longer\r
-             for it to initialize and send feature commands. */\r
-         FeatureDone(cps, 1);\r
-         cps->protocolVersion = 1;\r
-         return;\r
-       }\r
-       cps->maybeThinking = FALSE;\r
-\r
-       if (StrStr(message, "draw")) {\r
-           /* Program doesn't have "draw" command */\r
-           cps->sendDrawOffers = 0;\r
-           return;\r
-       }\r
-       if (cps->sendTime != 1 &&\r
-           (StrStr(message, "time") || StrStr(message, "otim"))) {\r
-         /* Program apparently doesn't have "time" or "otim" command */\r
-         cps->sendTime = 0;\r
-         return;\r
-       }\r
-       if (StrStr(message, "analyze")) {\r
-           cps->analysisSupport = FALSE;\r
-           cps->analyzing = FALSE;\r
-           Reset(FALSE, TRUE);\r
-           sprintf(buf2, _("%s does not support analysis"), cps->tidy);\r
-           DisplayError(buf2, 0);\r
-           return;\r
-       }\r
-       if (StrStr(message, "(no matching move)st")) {\r
-         /* Special kludge for GNU Chess 4 only */\r
-         cps->stKludge = TRUE;\r
-         SendTimeControl(cps, movesPerSession, timeControl,\r
-                         timeIncrement, appData.searchDepth,\r
-                         searchTime);\r
-         return;\r
-       }\r
-       if (StrStr(message, "(no matching move)sd")) {\r
-         /* Special kludge for GNU Chess 4 only */\r
-         cps->sdKludge = TRUE;\r
-         SendTimeControl(cps, movesPerSession, timeControl,\r
-                         timeIncrement, appData.searchDepth,\r
-                         searchTime);\r
-         return;\r
-       }\r
-        if (!StrStr(message, "llegal")) {\r
-            return;\r
-        }\r
-       if (gameMode == BeginningOfGame || gameMode == EndOfGame ||\r
-           gameMode == IcsIdle) return;\r
-       if (forwardMostMove <= backwardMostMove) return;\r
-#if 0\r
-       /* Following removed: it caused a bug where a real illegal move\r
-          message in analyze mored would be ignored. */\r
-       if (cps == &first && programStats.ok_to_send == 0) {\r
-           /* Bogus message from Crafty responding to "."  This filtering\r
-              can miss some of the bad messages, but fortunately the bug \r
-              is fixed in current Crafty versions, so it doesn't matter. */\r
-           return;\r
-       }\r
-#endif\r
-       if (pausing) PauseEvent();\r
-       if (gameMode == PlayFromGameFile) {\r
-           /* Stop reading this game file */\r
-           gameMode = EditGame;\r
-           ModeHighlight();\r
-       }\r
-       currentMove = --forwardMostMove;\r
-       DisplayMove(currentMove-1); /* before DisplayMoveError */\r
-       SwitchClocks();\r
-       DisplayBothClocks();\r
-       sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),\r
-               parseList[currentMove], cps->which);\r
-       DisplayMoveError(buf1);\r
-       DrawPosition(FALSE, boards[currentMove]);\r
-\r
-        /* [HGM] illegal-move claim should forfeit game when Xboard */\r
-        /* only passes fully legal moves                            */\r
-        if( appData.testLegality && gameMode == TwoMachinesPlay ) {\r
-            GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,\r
-                                "False illegal-move claim", GE_XBOARD );\r
-        }\r
-       return;\r
-    }\r
-    if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {\r
-       /* Program has a broken "time" command that\r
-          outputs a string not ending in newline.\r
-          Don't use it. */\r
-       cps->sendTime = 0;\r
-    }\r
-    \r
-    /*\r
-     * If chess program startup fails, exit with an error message.\r
-     * Attempts to recover here are futile.\r
-     */\r
-    if ((StrStr(message, "unknown host") != NULL)\r
-       || (StrStr(message, "No remote directory") != NULL)\r
-       || (StrStr(message, "not found") != NULL)\r
-       || (StrStr(message, "No such file") != NULL)\r
-       || (StrStr(message, "can't alloc") != NULL)\r
-       || (StrStr(message, "Permission denied") != NULL)) {\r
-\r
-       cps->maybeThinking = FALSE;\r
-       snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),\r
-               cps->which, cps->program, cps->host, message);\r
-       RemoveInputSource(cps->isr);\r
-       DisplayFatalError(buf1, 0, 1);\r
-       return;\r
-    }\r
-    \r
-    /* \r
-     * Look for hint output\r
-     */\r
-    if (sscanf(message, "Hint: %s", buf1) == 1) {\r
-       if (cps == &first && hintRequested) {\r
-           hintRequested = FALSE;\r
-           if (ParseOneMove(buf1, forwardMostMove, &moveType,\r
-                                &fromX, &fromY, &toX, &toY, &promoChar)) {\r
-               (void) CoordsToAlgebraic(boards[forwardMostMove],\r
-                                   PosFlags(forwardMostMove), EP_UNKNOWN,\r
-                                   fromY, fromX, toY, toX, promoChar, buf1);\r
-               snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);\r
-               DisplayInformation(buf2);\r
-           } else {\r
-               /* Hint move could not be parsed!? */\r
-             snprintf(buf2, sizeof(buf2),\r
-                       _("Illegal hint move \"%s\"\nfrom %s chess program"),\r
-                       buf1, cps->which);\r
-               DisplayError(buf2, 0);\r
-           }\r
-       } else {\r
-           strcpy(lastHint, buf1);\r
-       }\r
-       return;\r
-    }\r
-\r
-    /*\r
-     * Ignore other messages if game is not in progress\r
-     */\r
-    if (gameMode == BeginningOfGame || gameMode == EndOfGame ||\r
-       gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;\r
-\r
-    /*\r
-     * look for win, lose, draw, or draw offer\r
-     */\r
-    if (strncmp(message, "1-0", 3) == 0) {\r
-       char *p, *q, *r = "";\r
-        p = strchr(message, '{');\r
-       if (p) {\r
-           q = strchr(p, '}');\r
-           if (q) {\r
-               *q = NULLCHAR;\r
-               r = p + 1;\r
-           }\r
-       }\r
-        GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */\r
-       return;\r
-    } else if (strncmp(message, "0-1", 3) == 0) {\r
-       char *p, *q, *r = "";\r
-        p = strchr(message, '{');\r
-       if (p) {\r
-           q = strchr(p, '}');\r
-           if (q) {\r
-               *q = NULLCHAR;\r
-               r = p + 1;\r
-           }\r
-       }\r
-       /* Kludge for Arasan 4.1 bug */\r
-       if (strcmp(r, "Black resigns") == 0) {\r
-            GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));\r
-           return;\r
-       }\r
-        GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));\r
-       return;\r
-    } else if (strncmp(message, "1/2", 3) == 0) {\r
-       char *p, *q, *r = "";\r
-        p = strchr(message, '{');\r
-       if (p) {\r
-           q = strchr(p, '}');\r
-           if (q) {\r
-               *q = NULLCHAR;\r
-               r = p + 1;\r
-           }\r
-       }\r
-            \r
-        GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));\r
-       return;\r
-\r
-    } else if (strncmp(message, "White resign", 12) == 0) {\r
-        GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));\r
-       return;\r
-    } else if (strncmp(message, "Black resign", 12) == 0) {\r
-        GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));\r
-       return;\r
-    } else if (strncmp(message, "White matches", 13) == 0 ||\r
-               strncmp(message, "Black matches", 13) == 0   ) {\r
-        /* [HGM] ignore GNUShogi noises */\r
-        return;\r
-    } else if (strncmp(message, "White", 5) == 0 &&\r
-              message[5] != '(' &&\r
-              StrStr(message, "Black") == NULL) {\r
-        GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));\r
-       return;\r
-    } else if (strncmp(message, "Black", 5) == 0 &&\r
-              message[5] != '(') {\r
-        GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));\r
-       return;\r
-    } else if (strcmp(message, "resign") == 0 ||\r
-              strcmp(message, "computer resigns") == 0) {\r
-       switch (gameMode) {\r
-         case MachinePlaysBlack:\r
-         case IcsPlayingBlack:\r
-            GameEnds(WhiteWins, "Black resigns", GE_ENGINE);\r
-           break;\r
-         case MachinePlaysWhite:\r
-         case IcsPlayingWhite:\r
-            GameEnds(BlackWins, "White resigns", GE_ENGINE);\r
-           break;\r
-         case TwoMachinesPlay:\r
-           if (cps->twoMachinesColor[0] == 'w')\r
-              GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));\r
-           else\r
-              GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));\r
-           break;\r
-         default:\r
-           /* can't happen */\r
-           break;\r
-       }\r
-       return;\r
-    } else if (strncmp(message, "opponent mates", 14) == 0) {\r
-       switch (gameMode) {\r
-         case MachinePlaysBlack:\r
-         case IcsPlayingBlack:\r
-            GameEnds(WhiteWins, "White mates", GE_ENGINE);\r
-           break;\r
-         case MachinePlaysWhite:\r
-         case IcsPlayingWhite:\r
-            GameEnds(BlackWins, "Black mates", GE_ENGINE);\r
-           break;\r
-         case TwoMachinesPlay:\r
-           if (cps->twoMachinesColor[0] == 'w')\r
-              GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));\r
-           else\r
-              GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));\r
-           break;\r
-         default:\r
-           /* can't happen */\r
-           break;\r
-       }\r
-       return;\r
-    } else if (strncmp(message, "computer mates", 14) == 0) {\r
-       switch (gameMode) {\r
-         case MachinePlaysBlack:\r
-         case IcsPlayingBlack:\r
-            GameEnds(BlackWins, "Black mates", GE_ENGINE1);\r
-           break;\r
-         case MachinePlaysWhite:\r
-         case IcsPlayingWhite:\r
-            GameEnds(WhiteWins, "White mates", GE_ENGINE);\r
-           break;\r
-         case TwoMachinesPlay:\r
-           if (cps->twoMachinesColor[0] == 'w')\r
-              GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));\r
-           else\r
-              GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));\r
-           break;\r
-         default:\r
-           /* can't happen */\r
-           break;\r
-       }\r
-       return;\r
-    } else if (strncmp(message, "checkmate", 9) == 0) {\r
-       if (WhiteOnMove(forwardMostMove)) {\r
-            GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));\r
-       } else {\r
-            GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));\r
-       }\r
-       return;\r
-    } else if (strstr(message, "Draw") != NULL ||\r
-              strstr(message, "game is a draw") != NULL) {\r
-        GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));\r
-       return;\r
-    } else if (strstr(message, "offer") != NULL &&\r
-              strstr(message, "draw") != NULL) {\r
-#if ZIPPY\r
-       if (appData.zippyPlay && first.initDone) {\r
-           /* Relay offer to ICS */\r
-           SendToICS(ics_prefix);\r
-           SendToICS("draw\n");\r
-       }\r
-#endif\r
-       cps->offeredDraw = 2; /* valid until this engine moves twice */\r
-       if (gameMode == TwoMachinesPlay) {\r
-           if (cps->other->offeredDraw) {\r
-               GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);\r
-            /* [HGM] in two-machine mode we delay relaying draw offer      */\r
-            /* until after we also have move, to see if it is really claim */\r
-           }\r
-#if 0\r
-              else {\r
-               if (cps->other->sendDrawOffers) {\r
-                   SendToProgram("draw\n", cps->other);\r
-               }\r
-           }\r
-#endif\r
-       } else if (gameMode == MachinePlaysWhite ||\r
-                  gameMode == MachinePlaysBlack) {\r
-         if (userOfferedDraw) {\r
-           DisplayInformation(_("Machine accepts your draw offer"));\r
-           GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);\r
-         } else {\r
-            DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));\r
-         }\r
-       }\r
-    }\r
-\r
-    \r
-    /*\r
-     * Look for thinking output\r
-     */\r
-    if ( appData.showThinking // [HGM] thinking: test all options that cause this output\r
-         || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()\r
-                               ) {\r
-       int plylev, mvleft, mvtot, curscore, time;\r
-       char mvname[MOVE_LEN];\r
-       u64 nodes; // [DM]\r
-       char plyext;\r
-       int ignore = FALSE;\r
-       int prefixHint = FALSE;\r
-       mvname[0] = NULLCHAR;\r
-\r
-       switch (gameMode) {\r
-         case MachinePlaysBlack:\r
-         case IcsPlayingBlack:\r
-           if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;\r
-           break;\r
-         case MachinePlaysWhite:\r
-         case IcsPlayingWhite:\r
-           if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;\r
-           break;\r
-         case AnalyzeMode:\r
-         case AnalyzeFile:\r
-            break;\r
-          case IcsObserving: /* [DM] icsEngineAnalyze */\r
-            if (!appData.icsEngineAnalyze) ignore = TRUE;\r
-           break;\r
-         case TwoMachinesPlay:\r
-           if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {\r
-               ignore = TRUE;\r
-           }\r
-           break;\r
-         default:\r
-           ignore = TRUE;\r
-           break;\r
-       }\r
-\r
-       if (!ignore) {\r
-           buf1[0] = NULLCHAR;\r
-           if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",\r
-                      &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {\r
-\r
-               if (plyext != ' ' && plyext != '\t') {\r
-                   time *= 100;\r
-               }\r
-\r
-                /* [AS] Negate score if machine is playing black and reporting absolute scores */\r
-                if( cps->scoreIsAbsolute && \r
-                    ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )\r
-                {\r
-                    curscore = -curscore;\r
-                }\r
-\r
-\r
-               programStats.depth = plylev;\r
-               programStats.nodes = nodes;\r
-               programStats.time = time;\r
-               programStats.score = curscore;\r
-               programStats.got_only_move = 0;\r
-\r
-               if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */\r
-                       int ticklen;\r
-\r
-                       if(cps->nps == 0) ticklen = 10*time;                    // use engine reported time\r
-                       else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time\r
-                       if(WhiteOnMove(forwardMostMove)) \r
-                            whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;\r
-                       else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;\r
-               }\r
-\r
-               /* Buffer overflow protection */\r
-               if (buf1[0] != NULLCHAR) {\r
-                   if (strlen(buf1) >= sizeof(programStats.movelist)\r
-                       && appData.debugMode) {\r
-                       fprintf(debugFP,\r
-                               "PV is too long; using the first %d bytes.\n",\r
-                               sizeof(programStats.movelist) - 1);\r
-                   }\r
-\r
-                    safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );\r
-               } else {\r
-                   sprintf(programStats.movelist, " no PV\n");\r
-               }\r
-\r
-               if (programStats.seen_stat) {\r
-                   programStats.ok_to_send = 1;\r
-               }\r
-\r
-               if (strchr(programStats.movelist, '(') != NULL) {\r
-                   programStats.line_is_book = 1;\r
-                   programStats.nr_moves = 0;\r
-                   programStats.moves_left = 0;\r
-               } else {\r
-                   programStats.line_is_book = 0;\r
-               }\r
-\r
-                SendProgramStatsToFrontend( cps, &programStats );\r
-\r
-                /* \r
-                    [AS] Protect the thinkOutput buffer from overflow... this\r
-                    is only useful if buf1 hasn't overflowed first!\r
-                */\r
-               sprintf(thinkOutput, "[%d]%c%+.2f %s%s",\r
-                       plylev, \r
-                       (gameMode == TwoMachinesPlay ?\r
-                        ToUpper(cps->twoMachinesColor[0]) : ' '),\r
-                       ((double) curscore) / 100.0,\r
-                       prefixHint ? lastHint : "",\r
-                       prefixHint ? " " : "" );\r
-\r
-                if( buf1[0] != NULLCHAR ) {\r
-                    unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;\r
-\r
-                    if( strlen(buf1) > max_len ) {\r
-                       if( appData.debugMode) {\r
-                           fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");\r
-                        }\r
-                        buf1[max_len+1] = '\0';\r
-                    }\r
-\r
-                    strcat( thinkOutput, buf1 );\r
-                }\r
-\r
-                if (currentMove == forwardMostMove || gameMode == AnalyzeMode\r
-                        || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {\r
-                   DisplayMove(currentMove - 1);\r
-                   DisplayAnalysis();\r
-               }\r
-               return;\r
-\r
-           } else if ((p=StrStr(message, "(only move)")) != NULL) {\r
-               /* crafty (9.25+) says "(only move) <move>"\r
-                * if there is only 1 legal move\r
-                 */\r
-               sscanf(p, "(only move) %s", buf1);\r
-               sprintf(thinkOutput, "%s (only move)", buf1);\r
-               sprintf(programStats.movelist, "%s (only move)", buf1);\r
-               programStats.depth = 1;\r
-               programStats.nr_moves = 1;\r
-               programStats.moves_left = 1;\r
-               programStats.nodes = 1;\r
-               programStats.time = 1;\r
-               programStats.got_only_move = 1;\r
-\r
-               /* Not really, but we also use this member to\r
-                  mean "line isn't going to change" (Crafty\r
-                  isn't searching, so stats won't change) */\r
-               programStats.line_is_book = 1;\r
-\r
-                SendProgramStatsToFrontend( cps, &programStats );\r
-                \r
-               if (currentMove == forwardMostMove || gameMode==AnalyzeMode || \r
-                           gameMode == AnalyzeFile || appData.icsEngineAnalyze) {\r
-                   DisplayMove(currentMove - 1);\r
-                   DisplayAnalysis();\r
-               }\r
-               return;\r
-           } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",\r
-                             &time, &nodes, &plylev, &mvleft,\r
-                             &mvtot, mvname) >= 5) {\r
-               /* The stat01: line is from Crafty (9.29+) in response\r
-                  to the "." command */\r
-               programStats.seen_stat = 1;\r
-               cps->maybeThinking = TRUE;\r
-\r
-               if (programStats.got_only_move || !appData.periodicUpdates)\r
-                 return;\r
-\r
-               programStats.depth = plylev;\r
-               programStats.time = time;\r
-               programStats.nodes = nodes;\r
-               programStats.moves_left = mvleft;\r
-               programStats.nr_moves = mvtot;\r
-               strcpy(programStats.move_name, mvname);\r
-               programStats.ok_to_send = 1;\r
-                programStats.movelist[0] = '\0';\r
-\r
-                SendProgramStatsToFrontend( cps, &programStats );\r
-\r
-               DisplayAnalysis();\r
-               return;\r
-\r
-           } else if (strncmp(message,"++",2) == 0) {\r
-               /* Crafty 9.29+ outputs this */\r
-               programStats.got_fail = 2;\r
-               return;\r
-\r
-           } else if (strncmp(message,"--",2) == 0) {\r
-               /* Crafty 9.29+ outputs this */\r
-               programStats.got_fail = 1;\r
-               return;\r
-\r
-           } else if (thinkOutput[0] != NULLCHAR &&\r
-                      strncmp(message, "    ", 4) == 0) {\r
-                unsigned message_len;\r
-\r
-               p = message;\r
-               while (*p && *p == ' ') p++;\r
-\r
-                message_len = strlen( p );\r
-\r
-                /* [AS] Avoid buffer overflow */\r
-                if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {\r
-                   strcat(thinkOutput, " ");\r
-                   strcat(thinkOutput, p);\r
-                }\r
-\r
-                if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {\r
-                   strcat(programStats.movelist, " ");\r
-                   strcat(programStats.movelist, p);\r
-                }\r
-\r
-               if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||\r
-                           gameMode == AnalyzeFile || appData.icsEngineAnalyze) {\r
-                   DisplayMove(currentMove - 1);\r
-                   DisplayAnalysis();\r
-               }\r
-               return;\r
-           }\r
-       }\r
-        else {\r
-           buf1[0] = NULLCHAR;\r
-\r
-           if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",\r
-                      &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) \r
-            {\r
-                ChessProgramStats cpstats;\r
-\r
-               if (plyext != ' ' && plyext != '\t') {\r
-                   time *= 100;\r
-               }\r
-\r
-                /* [AS] Negate score if machine is playing black and reporting absolute scores */\r
-                if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {\r
-                    curscore = -curscore;\r
-                }\r
-\r
-               cpstats.depth = plylev;\r
-               cpstats.nodes = nodes;\r
-               cpstats.time = time;\r
-               cpstats.score = curscore;\r
-               cpstats.got_only_move = 0;\r
-                cpstats.movelist[0] = '\0';\r
-\r
-               if (buf1[0] != NULLCHAR) {\r
-                    safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );\r
-               }\r
-\r
-               cpstats.ok_to_send = 0;\r
-               cpstats.line_is_book = 0;\r
-               cpstats.nr_moves = 0;\r
-               cpstats.moves_left = 0;\r
-\r
-                SendProgramStatsToFrontend( cps, &cpstats );\r
-            }\r
-        }\r
-    }\r
-}\r
-\r
-\r
-/* Parse a game score from the character string "game", and\r
-   record it as the history of the current game.  The game\r
-   score is NOT assumed to start from the standard position. \r
-   The display is not updated in any way.\r
-   */\r
-void\r
-ParseGameHistory(game)\r
-     char *game;\r
-{\r
-    ChessMove moveType;\r
-    int fromX, fromY, toX, toY, boardIndex;\r
-    char promoChar;\r
-    char *p, *q;\r
-    char buf[MSG_SIZ];\r
-\r
-    if (appData.debugMode)\r
-      fprintf(debugFP, "Parsing game history: %s\n", game);\r
-\r
-    if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");\r
-    gameInfo.site = StrSave(appData.icsHost);\r
-    gameInfo.date = PGNDate();\r
-    gameInfo.round = StrSave("-");\r
-\r
-    /* Parse out names of players */\r
-    while (*game == ' ') game++;\r
-    p = buf;\r
-    while (*game != ' ') *p++ = *game++;\r
-    *p = NULLCHAR;\r
-    gameInfo.white = StrSave(buf);\r
-    while (*game == ' ') game++;\r
-    p = buf;\r
-    while (*game != ' ' && *game != '\n') *p++ = *game++;\r
-    *p = NULLCHAR;\r
-    gameInfo.black = StrSave(buf);\r
-\r
-    /* Parse moves */\r
-    boardIndex = blackPlaysFirst ? 1 : 0;\r
-    yynewstr(game);\r
-    for (;;) {\r
-       yyboardindex = boardIndex;\r
-       moveType = (ChessMove) yylex();\r
-       switch (moveType) {\r
-         case IllegalMove:             /* maybe suicide chess, etc. */\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);\r
-    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);\r
-    setbuf(debugFP, NULL);\r
-  }\r
-          case WhitePromotionChancellor:\r
-          case BlackPromotionChancellor:\r
-          case WhitePromotionArchbishop:\r
-          case BlackPromotionArchbishop:\r
-         case WhitePromotionQueen:\r
-         case BlackPromotionQueen:\r
-         case WhitePromotionRook:\r
-         case BlackPromotionRook:\r
-         case WhitePromotionBishop:\r
-         case BlackPromotionBishop:\r
-         case WhitePromotionKnight:\r
-         case BlackPromotionKnight:\r
-         case WhitePromotionKing:\r
-         case BlackPromotionKing:\r
-         case NormalMove:\r
-         case WhiteCapturesEnPassant:\r
-         case BlackCapturesEnPassant:\r
-         case WhiteKingSideCastle:\r
-         case WhiteQueenSideCastle:\r
-         case BlackKingSideCastle:\r
-         case BlackQueenSideCastle:\r
-         case WhiteKingSideCastleWild:\r
-         case WhiteQueenSideCastleWild:\r
-         case BlackKingSideCastleWild:\r
-         case BlackQueenSideCastleWild:\r
-          /* PUSH Fabien */\r
-          case WhiteHSideCastleFR:\r
-          case WhiteASideCastleFR:\r
-          case BlackHSideCastleFR:\r
-          case BlackASideCastleFR:\r
-          /* POP Fabien */\r
-            fromX = currentMoveString[0] - AAA;\r
-            fromY = currentMoveString[1] - ONE;\r
-            toX = currentMoveString[2] - AAA;\r
-            toY = currentMoveString[3] - ONE;\r
-           promoChar = currentMoveString[4];\r
-           break;\r
-         case WhiteDrop:\r
-         case BlackDrop:\r
-           fromX = moveType == WhiteDrop ?\r
-             (int) CharToPiece(ToUpper(currentMoveString[0])) :\r
-           (int) CharToPiece(ToLower(currentMoveString[0]));\r
-           fromY = DROP_RANK;\r
-            toX = currentMoveString[2] - AAA;\r
-            toY = currentMoveString[3] - ONE;\r
-           promoChar = NULLCHAR;\r
-           break;\r
-         case AmbiguousMove:\r
-           /* bug? */\r
-           sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);\r
-    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);\r
-    setbuf(debugFP, NULL);\r
-  }\r
-           DisplayError(buf, 0);\r
-           return;\r
-         case ImpossibleMove:\r
-           /* bug? */\r
-           sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);\r
-  if (appData.debugMode) {\r
-    fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);\r
-    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);\r
-    setbuf(debugFP, NULL);\r
-  }\r
-           DisplayError(buf, 0);\r
-           return;\r
-         case (ChessMove) 0:   /* end of file */\r
-           if (boardIndex < backwardMostMove) {\r
-               /* Oops, gap.  How did that happen? */\r
-               DisplayError(_("Gap in move list"), 0);\r
-               return;\r
-           }\r
-           backwardMostMove =  blackPlaysFirst ? 1 : 0;\r
-           if (boardIndex > forwardMostMove) {\r
-               forwardMostMove = boardIndex;\r
-           }\r
-           return;\r
-         case ElapsedTime:\r
-           if (boardIndex > (blackPlaysFirst ? 1 : 0)) {\r
-               strcat(parseList[boardIndex-1], " ");\r
-               strcat(parseList[boardIndex-1], yy_text);\r
-           }\r
-           continue;\r
-         case Comment:\r
-         case PGNTag:\r
-         case NAG:\r
-         default:\r
-           /* ignore */\r
-           continue;\r
-         case WhiteWins:\r
-         case BlackWins:\r
-         case GameIsDrawn:\r
-         case GameUnfinished:\r
-           if (gameMode == IcsExamining) {\r
-               if (boardIndex < backwardMostMove) {\r
-                   /* Oops, gap.  How did that happen? */\r
-                   return;\r
-               }\r
-               backwardMostMove = blackPlaysFirst ? 1 : 0;\r
-               return;\r
-           }\r
-           gameInfo.result = moveType;\r
-           p = strchr(yy_text, '{');\r
-           if (p == NULL) p = strchr(yy_text, '(');\r
-           if (p == NULL) {\r
-               p = yy_text;\r
-               if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";\r
-           } else {\r
-               q = strchr(p, *p == '{' ? '}' : ')');\r
-               if (q != NULL) *q = NULLCHAR;\r
-               p++;\r
-           }\r
-           gameInfo.resultDetails = StrSave(p);\r
-           continue;\r
-       }\r
-       if (boardIndex >= forwardMostMove &&\r
-           !(gameMode == IcsObserving && ics_gamenum == -1)) {\r
-           backwardMostMove = blackPlaysFirst ? 1 : 0;\r
-           return;\r
-       }\r
-       (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),\r
-                                EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,\r
-                                parseList[boardIndex]);\r
-       CopyBoard(boards[boardIndex + 1], boards[boardIndex]);\r
-        {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}\r
-       /* currentMoveString is set as a side-effect of yylex */\r
-       strcpy(moveList[boardIndex], currentMoveString);\r
-       strcat(moveList[boardIndex], "\n");\r
-       boardIndex++;\r
-       ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex], \r
-                                       castlingRights[boardIndex], &epStatus[boardIndex]);\r
-        switch (MateTest(boards[boardIndex], PosFlags(boardIndex),\r
-                                 EP_UNKNOWN, castlingRights[boardIndex]) ) {\r
-         case MT_NONE:\r
-         case MT_STALEMATE:\r
-         default:\r
-           break;\r
-         case MT_CHECK:\r
-            if(gameInfo.variant != VariantShogi)\r
-                strcat(parseList[boardIndex - 1], "+");\r
-           break;\r
-         case MT_CHECKMATE:\r
-         case MT_STAINMATE:\r
-           strcat(parseList[boardIndex - 1], "#");\r
-           break;\r
-       }\r
-    }\r
-}\r
-\r
-\r
-/* Apply a move to the given board  */\r
-void\r
-ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)\r
-     int fromX, fromY, toX, toY;\r
-     int promoChar;\r
-     Board board;\r
-     char *castling;\r
-     char *ep;\r
-{\r
-  ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;\r
-\r
-    /* [HGM] compute & store e.p. status and castling rights for new position */\r
-    /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */\r
-    { int i;\r
-\r
-      if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;\r
-      oldEP = *ep;\r
-      *ep = EP_NONE;\r
-\r
-      if( board[toY][toX] != EmptySquare ) \r
-           *ep = EP_CAPTURE;  \r
-\r
-      if( board[fromY][fromX] == WhitePawn ) {\r
-           if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers\r
-              *ep = EP_PAWN_MOVE;\r
-           if( toY-fromY==2) {\r
-               if(toX>BOARD_LEFT   && board[toY][toX-1] == BlackPawn &&\r
-                       gameInfo.variant != VariantBerolina || toX < fromX)\r
-                     *ep = toX | berolina;\r
-               if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&\r
-                       gameInfo.variant != VariantBerolina || toX > fromX) \r
-                     *ep = toX;\r
-          }\r
-      } else \r
-      if( board[fromY][fromX] == BlackPawn ) {\r
-           if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers\r
-              *ep = EP_PAWN_MOVE; \r
-           if( toY-fromY== -2) {\r
-               if(toX>BOARD_LEFT   && board[toY][toX-1] == WhitePawn &&\r
-                       gameInfo.variant != VariantBerolina || toX < fromX)\r
-                     *ep = toX | berolina;\r
-               if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&\r
-                       gameInfo.variant != VariantBerolina || toX > fromX) \r
-                     *ep = toX;\r
-          }\r
-       }\r
-\r
-       for(i=0; i<nrCastlingRights; i++) {\r
-           if(castling[i] == fromX && castlingRank[i] == fromY ||\r
-              castling[i] == toX   && castlingRank[i] == toY   \r
-             ) castling[i] = -1; // revoke for moved or captured piece\r
-       }\r
-\r
-    }\r
-\r
-  /* [HGM] In Shatranj and Courier all promotions are to Ferz */\r
-  if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)\r
-       && promoChar != 0) promoChar = PieceToChar(WhiteFerz);\r
-         \r
-  if (fromX == toX && fromY == toY) return;\r
-\r
-  if (fromY == DROP_RANK) {\r
-       /* must be first */\r
-        piece = board[toY][toX] = (ChessSquare) fromX;\r
-  } else {\r
-     piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */\r
-     king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */\r
-     if(gameInfo.variant == VariantKnightmate)\r
-         king += (int) WhiteUnicorn - (int) WhiteKing;\r
-\r
-    /* Code added by Tord: */\r
-    /* FRC castling assumed when king captures friendly rook. */\r
-    if (board[fromY][fromX] == WhiteKing &&\r
-            board[toY][toX] == WhiteRook) {\r
-      board[fromY][fromX] = EmptySquare;\r
-      board[toY][toX] = EmptySquare;\r
-      if(toX > fromX) {\r
-        board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;\r
-      } else {\r
-        board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;\r
-      }\r
-    } else if (board[fromY][fromX] == BlackKing &&\r
-              board[toY][toX] == BlackRook) {\r
-      board[fromY][fromX] = EmptySquare;\r
-      board[toY][toX] = EmptySquare;\r
-      if(toX > fromX) {\r
-        board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;\r
-      } else {\r
-        board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;\r
-      }\r
-    /* End of code added by Tord */\r
-\r
-    } else if (board[fromY][fromX] == king\r
-        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */\r
-        && toY == fromY && toX > fromX+1) {\r
-       board[fromY][fromX] = EmptySquare;\r
-        board[toY][toX] = king;\r
-        board[toY][toX-1] = board[fromY][BOARD_RGHT-1];\r
-        board[fromY][BOARD_RGHT-1] = EmptySquare;\r
-    } else if (board[fromY][fromX] == king\r
-        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */\r
-               && toY == fromY && toX < fromX-1) {\r
-       board[fromY][fromX] = EmptySquare;\r
-        board[toY][toX] = king;\r
-        board[toY][toX+1] = board[fromY][BOARD_LEFT];\r
-        board[fromY][BOARD_LEFT] = EmptySquare;\r
-    } else if (board[fromY][fromX] == WhitePawn\r
-               && toY == BOARD_HEIGHT-1\r
-               && gameInfo.variant != VariantXiangqi\r
-               ) {\r
-       /* white pawn promotion */\r
-        board[toY][toX] = CharToPiece(ToUpper(promoChar));\r
-        if (board[toY][toX] == EmptySquare) {\r
-            board[toY][toX] = WhiteQueen;\r
-       }\r
-        if(gameInfo.variant==VariantBughouse ||\r
-           gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */\r
-            board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);\r
-       board[fromY][fromX] = EmptySquare;\r
-    } else if ((fromY == BOARD_HEIGHT-4)\r
-              && (toX != fromX)\r
-               && gameInfo.variant != VariantXiangqi\r
-               && gameInfo.variant != VariantBerolina\r
-              && (board[fromY][fromX] == WhitePawn)\r
-              && (board[toY][toX] == EmptySquare)) {\r
-       board[fromY][fromX] = EmptySquare;\r
-       board[toY][toX] = WhitePawn;\r
-       captured = board[toY - 1][toX];\r
-       board[toY - 1][toX] = EmptySquare;\r
-    } else if ((fromY == BOARD_HEIGHT-4)\r
-              && (toX == fromX)\r
-               && gameInfo.variant == VariantBerolina\r
-              && (board[fromY][fromX] == WhitePawn)\r
-              && (board[toY][toX] == EmptySquare)) {\r
-       board[fromY][fromX] = EmptySquare;\r
-       board[toY][toX] = WhitePawn;\r
-       if(oldEP & EP_BEROLIN_A) {\r
-               captured = board[fromY][fromX-1];\r
-               board[fromY][fromX-1] = EmptySquare;\r
-       }else{  captured = board[fromY][fromX+1];\r
-               board[fromY][fromX+1] = EmptySquare;\r
-       }\r
-    } else if (board[fromY][fromX] == king\r
-        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */\r
-               && toY == fromY && toX > fromX+1) {\r
-       board[fromY][fromX] = EmptySquare;\r
-        board[toY][toX] = king;\r
-        board[toY][toX-1] = board[fromY][BOARD_RGHT-1];\r
-        board[fromY][BOARD_RGHT-1] = EmptySquare;\r
-    } else if (board[fromY][fromX] == king\r
-        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */\r
-               && toY == fromY && toX < fromX-1) {\r
-       board[fromY][fromX] = EmptySquare;\r
-        board[toY][toX] = king;\r
-        board[toY][toX+1] = board[fromY][BOARD_LEFT];\r
-        board[fromY][BOARD_LEFT] = EmptySquare;\r
-    } else if (fromY == 7 && fromX == 3\r
-              && board[fromY][fromX] == BlackKing\r
-              && toY == 7 && toX == 5) {\r
-       board[fromY][fromX] = EmptySquare;\r
-       board[toY][toX] = BlackKing;\r
-       board[fromY][7] = EmptySquare;\r
-       board[toY][4] = BlackRook;\r
-    } else if (fromY == 7 && fromX == 3\r
-              && board[fromY][fromX] == BlackKing\r
-              && toY == 7 && toX == 1) {\r
-       board[fromY][fromX] = EmptySquare;\r
-       board[toY][toX] = BlackKing;\r
-       board[fromY][0] = EmptySquare;\r
-       board[toY][2] = BlackRook;\r
-    } else if (board[fromY][fromX] == BlackPawn\r
-              && toY == 0\r
-               && gameInfo.variant != VariantXiangqi\r
-               ) {\r
-       /* black pawn promotion */\r
-       board[0][toX] = CharToPiece(ToLower(promoChar));\r
-       if (board[0][toX] == EmptySquare) {\r
-           board[0][toX] = BlackQueen;\r
-       }\r
-        if(gameInfo.variant==VariantBughouse ||\r
-           gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */\r
-            board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);\r
-       board[fromY][fromX] = EmptySquare;\r
-    } else if ((fromY == 3)\r
-              && (toX != fromX)\r
-               && gameInfo.variant != VariantXiangqi\r
-               && gameInfo.variant != VariantBerolina\r
-              && (board[fromY][fromX] == BlackPawn)\r
-              && (board[toY][toX] == EmptySquare)) {\r
-       board[fromY][fromX] = EmptySquare;\r
-       board[toY][toX] = BlackPawn;\r
-       captured = board[toY + 1][toX];\r
-       board[toY + 1][toX] = EmptySquare;\r
-    } else if ((fromY == 3)\r
-              && (toX == fromX)\r
-               && gameInfo.variant == VariantBerolina\r
-              && (board[fromY][fromX] == BlackPawn)\r
-              && (board[toY][toX] == EmptySquare)) {\r
-       board[fromY][fromX] = EmptySquare;\r
-       board[toY][toX] = BlackPawn;\r
-       if(oldEP & EP_BEROLIN_A) {\r
-               captured = board[fromY][fromX-1];\r
-               board[fromY][fromX-1] = EmptySquare;\r
-       }else{  captured = board[fromY][fromX+1];\r
-               board[fromY][fromX+1] = EmptySquare;\r
-       }\r
-    } else {\r
-       board[toY][toX] = board[fromY][fromX];\r
-       board[fromY][fromX] = EmptySquare;\r
-    }\r
-\r
-    /* [HGM] now we promote for Shogi, if needed */\r
-    if(gameInfo.variant == VariantShogi && promoChar == 'q')\r
-        board[toY][toX] = (ChessSquare) (PROMOTED piece);\r
-  }\r
-\r
-    if (gameInfo.holdingsWidth != 0) {\r
-\r
-      /* !!A lot more code needs to be written to support holdings  */\r
-      /* [HGM] OK, so I have written it. Holdings are stored in the */\r
-      /* penultimate board files, so they are automaticlly stored   */\r
-      /* in the game history.                                       */\r
-      if (fromY == DROP_RANK) {\r
-        /* Delete from holdings, by decreasing count */\r
-        /* and erasing image if necessary            */\r
-        p = (int) fromX;\r
-        if(p < (int) BlackPawn) { /* white drop */\r
-             p -= (int)WhitePawn;\r
-             if(p >= gameInfo.holdingsSize) p = 0;\r
-             if(--board[p][BOARD_WIDTH-2] == 0)\r
-                  board[p][BOARD_WIDTH-1] = EmptySquare;\r
-        } else {                  /* black drop */\r
-             p -= (int)BlackPawn;\r
-             if(p >= gameInfo.holdingsSize) p = 0;\r
-             if(--board[BOARD_HEIGHT-1-p][1] == 0)\r
-                  board[BOARD_HEIGHT-1-p][0] = EmptySquare;\r
-        }\r
-      }\r
-      if (captured != EmptySquare && gameInfo.holdingsSize > 0\r
-          && gameInfo.variant != VariantBughouse        ) {\r
-        /* [HGM] holdings: Add to holdings, if holdings exist */\r
-       if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) { \r
-               // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip\r
-               captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;\r
-       }\r
-        p = (int) captured;\r
-        if (p >= (int) BlackPawn) {\r
-          p -= (int)BlackPawn;\r
-          if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {\r
-                  /* in Shogi restore piece to its original  first */\r
-                  captured = (ChessSquare) (DEMOTED captured);\r
-                  p = DEMOTED p;\r
-          }\r
-          p = PieceToNumber((ChessSquare)p);\r
-          if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }\r
-          board[p][BOARD_WIDTH-2]++;\r
-          board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;\r
-       } else {\r
-          p -= (int)WhitePawn;\r
-          if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {\r
-                  captured = (ChessSquare) (DEMOTED captured);\r
-                  p = DEMOTED p;\r
-          }\r
-          p = PieceToNumber((ChessSquare)p);\r
-          if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }\r
-          board[BOARD_HEIGHT-1-p][1]++;\r
-          board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;\r
-       }\r
-      }\r
-\r
-    } else if (gameInfo.variant == VariantAtomic) {\r
-      if (captured != EmptySquare) {\r
-       int y, x;\r
-       for (y = toY-1; y <= toY+1; y++) {\r
-         for (x = toX-1; x <= toX+1; x++) {\r
-            if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&\r
-               board[y][x] != WhitePawn && board[y][x] != BlackPawn) {\r
-             board[y][x] = EmptySquare;\r
-           }\r
-         }\r
-       }\r
-       board[toY][toX] = EmptySquare;\r
-      }\r
-    }\r
-    if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {\r
-        /* [HGM] Shogi promotions */\r
-        board[toY][toX] = (ChessSquare) (PROMOTED piece);\r
-    }\r
-\r
-    if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) \r
-               && promoChar != NULLCHAR && gameInfo.holdingsSize) { \r
-       // [HGM] superchess: take promotion piece out of holdings\r
-       int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));\r
-       if((int)piece < (int)BlackPawn) { // determine stm from piece color\r
-           if(!--board[k][BOARD_WIDTH-2])\r
-               board[k][BOARD_WIDTH-1] = EmptySquare;\r
-       } else {\r
-           if(!--board[BOARD_HEIGHT-1-k][1])\r
-               board[BOARD_HEIGHT-1-k][0] = EmptySquare;\r
-       }\r
-    }\r
-\r
-}\r
-\r
-/* Updates forwardMostMove */\r
-void\r
-MakeMove(fromX, fromY, toX, toY, promoChar)\r
-     int fromX, fromY, toX, toY;\r
-     int promoChar;\r
-{\r
-//    forwardMostMove++; // [HGM] bare: moved downstream\r
-\r
-    if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */\r
-        int timeLeft; static int lastLoadFlag=0; int king, piece;\r
-        piece = boards[forwardMostMove][fromY][fromX];\r
-        king = piece < (int) BlackPawn ? WhiteKing : BlackKing;\r
-        if(gameInfo.variant == VariantKnightmate)\r
-            king += (int) WhiteUnicorn - (int) WhiteKing;\r
-        if(forwardMostMove == 0) {\r
-            if(blackPlaysFirst) \r
-                fprintf(serverMoves, "%s;", second.tidy);\r
-            fprintf(serverMoves, "%s;", first.tidy);\r
-            if(!blackPlaysFirst) \r
-                fprintf(serverMoves, "%s;", second.tidy);\r
-        } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");\r
-        lastLoadFlag = loadFlag;\r
-        // print base move\r
-        fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);\r
-        // print castling suffix\r
-        if( toY == fromY && piece == king ) {\r
-            if(toX-fromX > 1)\r
-                fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);\r
-            if(fromX-toX >1)\r
-                fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);\r
-        }\r
-        // e.p. suffix\r
-        if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||\r
-             boards[forwardMostMove][fromY][fromX] == BlackPawn   ) &&\r
-             boards[forwardMostMove][toY][toX] == EmptySquare\r
-             && fromX != toX )\r
-                fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);\r
-        // promotion suffix\r
-        if(promoChar != NULLCHAR)\r
-                fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);\r
-        if(!loadFlag) {\r
-            fprintf(serverMoves, "/%d/%d",\r
-               pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);\r
-            if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;\r
-            else                      timeLeft = blackTimeRemaining/1000;\r
-            fprintf(serverMoves, "/%d", timeLeft);\r
-        }\r
-        fflush(serverMoves);\r
-    }\r
-\r
-    if (forwardMostMove+1 >= MAX_MOVES) {\r
-      DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),\r
-                       0, 1);\r
-      return;\r
-    }\r
-    SwitchClocks();\r
-    timeRemaining[0][forwardMostMove+1] = whiteTimeRemaining;\r
-    timeRemaining[1][forwardMostMove+1] = blackTimeRemaining;\r
-    if (commentList[forwardMostMove+1] != NULL) {\r
-       free(commentList[forwardMostMove+1]);\r
-       commentList[forwardMostMove+1] = NULL;\r
-    }\r
-    CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);\r
-    {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}\r
-    ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1], \r
-                               castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);\r
-    forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board\r
-    gameInfo.result = GameUnfinished;\r
-    if (gameInfo.resultDetails != NULL) {\r
-       free(gameInfo.resultDetails);\r
-       gameInfo.resultDetails = NULL;\r
-    }\r
-    CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,\r
-                             moveList[forwardMostMove - 1]);\r
-    (void) CoordsToAlgebraic(boards[forwardMostMove - 1],\r
-                            PosFlags(forwardMostMove - 1), EP_UNKNOWN,\r
-                            fromY, fromX, toY, toX, promoChar,\r
-                            parseList[forwardMostMove - 1]);\r
-    switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),\r
-                       epStatus[forwardMostMove], /* [HGM] use true e.p. */\r
-                            castlingRights[forwardMostMove]) ) {\r
-      case MT_NONE:\r
-      case MT_STALEMATE:\r
-      default:\r
-       break;\r
-      case MT_CHECK:\r
-        if(gameInfo.variant != VariantShogi)\r
-            strcat(parseList[forwardMostMove - 1], "+");\r
-       break;\r
-      case MT_CHECKMATE:\r
-      case MT_STAINMATE:\r
-       strcat(parseList[forwardMostMove - 1], "#");\r
-       break;\r
-    }\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);\r
-    }\r
-\r
-}\r
-\r
-/* Updates currentMove if not pausing */\r
-void\r
-ShowMove(fromX, fromY, toX, toY)\r
-{\r
-    int instant = (gameMode == PlayFromGameFile) ?\r
-       (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;\r
-    if(appData.noGUI) return;\r
-    if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {\r
-       if (!instant) {\r
-           if (forwardMostMove == currentMove + 1) {\r
-               AnimateMove(boards[forwardMostMove - 1],\r
-                           fromX, fromY, toX, toY);\r
-           }\r
-           if (appData.highlightLastMove) {\r
-               SetHighlights(fromX, fromY, toX, toY);\r
-           }\r
-       }\r
-       currentMove = forwardMostMove;\r
-    }\r
-\r
-    if (instant) return;\r
-\r
-    DisplayMove(currentMove - 1);\r
-    DrawPosition(FALSE, boards[currentMove]);\r
-    DisplayBothClocks();\r
-    HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);\r
-}\r
-\r
-void SendEgtPath(ChessProgramState *cps)\r
-{       /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */\r
-       char buf[MSG_SIZ], name[MSG_SIZ], *p;\r
-\r
-       if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;\r
-\r
-       while(*p) {\r
-           char c, *q = name+1, *r, *s;\r
-\r
-           name[0] = ','; // extract next format name from feature and copy with prefixed ','\r
-           while(*p && *p != ',') *q++ = *p++;\r
-           *q++ = ':'; *q = 0;\r
-           if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] && \r
-               strcmp(name, ",nalimov:") == 0 ) {\r
-               // take nalimov path from the menu-changeable option first, if it is defined\r
-               sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);\r
-               SendToProgram(buf,cps);     // send egtbpath command for nalimov\r
-           } else\r
-           if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||\r
-               (s = StrStr(appData.egtFormats, name)) != NULL) {\r
-               // format name occurs amongst user-supplied formats, at beginning or immediately after comma\r
-               s = r = StrStr(s, ":") + 1; // beginning of path info\r
-               while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string\r
-               c = *r; *r = 0;             // temporarily null-terminate path info\r
-                   *--q = 0;               // strip of trailig ':' from name\r
-                   sprintf(buf, "egtbpath %s %s\n", name+1, s);\r
-               *r = c;\r
-               SendToProgram(buf,cps);     // send egtbpath command for this format\r
-           }\r
-           if(*p == ',') p++; // read away comma to position for next format name\r
-       }\r
-}\r
-\r
-void\r
-InitChessProgram(cps, setup)\r
-     ChessProgramState *cps;\r
-     int setup; /* [HGM] needed to setup FRC opening position */\r
-{\r
-    char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;\r
-    if (appData.noChessProgram) return;\r
-    hintRequested = FALSE;\r
-    bookRequested = FALSE;\r
-\r
-    /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */\r
-    /*       moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */\r
-    if(cps->memSize) { /* [HGM] memory */\r
-       sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);\r
-       SendToProgram(buf, cps);\r
-    }\r
-    SendEgtPath(cps); /* [HGM] EGT */\r
-    if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */\r
-       sprintf(buf, "cores %d\n", appData.smpCores);\r
-       SendToProgram(buf, cps);\r
-    }\r
-\r
-    SendToProgram(cps->initString, cps);\r
-    if (gameInfo.variant != VariantNormal &&\r
-       gameInfo.variant != VariantLoadable\r
-        /* [HGM] also send variant if board size non-standard */\r
-        || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0\r
-                                            ) {\r
-      char *v = VariantName(gameInfo.variant);\r
-      if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {\r
-        /* [HGM] in protocol 1 we have to assume all variants valid */\r
-       sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);\r
-       DisplayFatalError(buf, 0, 1);\r
-       return;\r
-      }\r
-\r
-      /* [HGM] make prefix for non-standard board size. Awkward testing... */\r
-      overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;\r
-      if( gameInfo.variant == VariantXiangqi )\r
-           overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;\r
-      if( gameInfo.variant == VariantShogi )\r
-           overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;\r
-      if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )\r
-           overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;\r
-      if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom || \r
-                               gameInfo.variant == VariantGothic  || gameInfo.variant == VariantFalcon )\r
-           overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;\r
-      if( gameInfo.variant == VariantCourier )\r
-           overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;\r
-      if( gameInfo.variant == VariantSuper )\r
-           overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;\r
-      if( gameInfo.variant == VariantGreat )\r
-           overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;\r
-\r
-      if(overruled) {\r
-           sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight, \r
-                               gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name\r
-           /* [HGM] varsize: try first if this defiant size variant is specifically known */\r
-           if(StrStr(cps->variants, b) == NULL) { \r
-               // specific sized variant not known, check if general sizing allowed\r
-               if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best\r
-                   if(StrStr(cps->variants, "boardsize") == NULL) {\r
-                       sprintf(buf, "Board size %dx%d+%d not supported by %s",\r
-                            gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);\r
-                       DisplayFatalError(buf, 0, 1);\r
-                       return;\r
-                   }\r
-                   /* [HGM] here we really should compare with the maximum supported board size */\r
-               }\r
-           }\r
-      } else sprintf(b, "%s", VariantName(gameInfo.variant));\r
-      sprintf(buf, "variant %s\n", b);\r
-      SendToProgram(buf, cps);\r
-    }\r
-    currentlyInitializedVariant = gameInfo.variant;\r
-\r
-    /* [HGM] send opening position in FRC to first engine */\r
-    if(setup) {\r
-          SendToProgram("force\n", cps);\r
-          SendBoard(cps, 0);\r
-          /* engine is now in force mode! Set flag to wake it up after first move. */\r
-          setboardSpoiledMachineBlack = 1;\r
-    }\r
-\r
-    if (cps->sendICS) {\r
-      snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");\r
-      SendToProgram(buf, cps);\r
-    }\r
-    cps->maybeThinking = FALSE;\r
-    cps->offeredDraw = 0;\r
-    if (!appData.icsActive) {\r
-       SendTimeControl(cps, movesPerSession, timeControl,\r
-                       timeIncrement, appData.searchDepth,\r
-                       searchTime);\r
-    }\r
-    if (appData.showThinking \r
-       // [HGM] thinking: four options require thinking output to be sent\r
-       || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()\r
-                               ) {\r
-       SendToProgram("post\n", cps);\r
-    }\r
-    SendToProgram("hard\n", cps);\r
-    if (!appData.ponderNextMove) {\r
-       /* Warning: "easy" is a toggle in GNU Chess, so don't send\r
-          it without being sure what state we are in first.  "hard"\r
-          is not a toggle, so that one is OK.\r
-        */\r
-       SendToProgram("easy\n", cps);\r
-    }\r
-    if (cps->usePing) {\r
-      sprintf(buf, "ping %d\n", ++cps->lastPing);\r
-      SendToProgram(buf, cps);\r
-    }\r
-    cps->initDone = TRUE;\r
-}   \r
-\r
-\r
-void\r
-StartChessProgram(cps)\r
-     ChessProgramState *cps;\r
-{\r
-    char buf[MSG_SIZ];\r
-    int err;\r
-\r
-    if (appData.noChessProgram) return;\r
-    cps->initDone = FALSE;\r
-\r
-    if (strcmp(cps->host, "localhost") == 0) {\r
-       err = StartChildProcess(cps->program, cps->dir, &cps->pr);\r
-    } else if (*appData.remoteShell == NULLCHAR) {\r
-       err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);\r
-    } else {\r
-       if (*appData.remoteUser == NULLCHAR) {\r
-         snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,\r
-                   cps->program);\r
-       } else {\r
-         snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,\r
-                   cps->host, appData.remoteUser, cps->program);\r
-       }\r
-       err = StartChildProcess(buf, "", &cps->pr);\r
-    }\r
-    \r
-    if (err != 0) {\r
-       sprintf(buf, _("Startup failure on '%s'"), cps->program);\r
-       DisplayFatalError(buf, err, 1);\r
-       cps->pr = NoProc;\r
-       cps->isr = NULL;\r
-       return;\r
-    }\r
-    \r
-    cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);\r
-    if (cps->protocolVersion > 1) {\r
-      sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);\r
-      cps->nrOptions = 0; // [HGM] options: clear all engine-specific options\r
-      cps->comboCnt = 0;  //                and values of combo boxes\r
-      SendToProgram(buf, cps);\r
-    } else {\r
-      SendToProgram("xboard\n", cps);\r
-    }\r
-}\r
-\r
-\r
-void\r
-TwoMachinesEventIfReady P((void))\r
-{\r
-  if (first.lastPing != first.lastPong) {\r
-    DisplayMessage("", _("Waiting for first chess program"));\r
-    ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000\r
-    return;\r
-  }\r
-  if (second.lastPing != second.lastPong) {\r
-    DisplayMessage("", _("Waiting for second chess program"));\r
-    ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000\r
-    return;\r
-  }\r
-  ThawUI();\r
-  TwoMachinesEvent();\r
-}\r
-\r
-void\r
-NextMatchGame P((void))\r
-{\r
-    int index; /* [HGM] autoinc: step lod index during match */\r
-    Reset(FALSE, TRUE);\r
-    if (*appData.loadGameFile != NULLCHAR) {\r
-       index = appData.loadGameIndex;\r
-       if(index < 0) { // [HGM] autoinc\r
-           lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;\r
-           if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;\r
-       } \r
-       LoadGameFromFile(appData.loadGameFile,\r
-                        index,\r
-                        appData.loadGameFile, FALSE);\r
-    } else if (*appData.loadPositionFile != NULLCHAR) {\r
-       index = appData.loadPositionIndex;\r
-       if(index < 0) { // [HGM] autoinc\r
-           lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;\r
-           if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;\r
-       } \r
-       LoadPositionFromFile(appData.loadPositionFile,\r
-                            index,\r
-                            appData.loadPositionFile);\r
-    }\r
-    TwoMachinesEventIfReady();\r
-}\r
-\r
-void UserAdjudicationEvent( int result )\r
-{\r
-    ChessMove gameResult = GameIsDrawn;\r
-\r
-    if( result > 0 ) {\r
-        gameResult = WhiteWins;\r
-    }\r
-    else if( result < 0 ) {\r
-        gameResult = BlackWins;\r
-    }\r
-\r
-    if( gameMode == TwoMachinesPlay ) {\r
-        GameEnds( gameResult, "User adjudication", GE_XBOARD );\r
-    }\r
-}\r
-\r
-\r
-void\r
-GameEnds(result, resultDetails, whosays)\r
-     ChessMove result;\r
-     char *resultDetails;\r
-     int whosays;\r
-{\r
-    GameMode nextGameMode;\r
-    int isIcsGame;\r
-    char buf[MSG_SIZ];\r
-\r
-    if(endingGame) return; /* [HGM] crash: forbid recursion */\r
-    endingGame = 1;\r
-\r
-    if (appData.debugMode) {\r
-      fprintf(debugFP, "GameEnds(%d, %s, %d)\n",\r
-             result, resultDetails ? resultDetails : "(null)", whosays);\r
-    }\r
-\r
-    if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {\r
-       /* If we are playing on ICS, the server decides when the\r
-          game is over, but the engine can offer to draw, claim \r
-          a draw, or resign. \r
-        */\r
-#if ZIPPY\r
-       if (appData.zippyPlay && first.initDone) {\r
-           if (result == GameIsDrawn) {\r
-               /* In case draw still needs to be claimed */\r
-               SendToICS(ics_prefix);\r
-               SendToICS("draw\n");\r
-           } else if (StrCaseStr(resultDetails, "resign")) {\r
-               SendToICS(ics_prefix);\r
-               SendToICS("resign\n");\r
-           }\r
-        }\r
-#endif\r
-       endingGame = 0; /* [HGM] crash */\r
-        return;\r
-    }\r
-\r
-    /* If we're loading the game from a file, stop */\r
-    if (whosays == GE_FILE) {\r
-      (void) StopLoadGameTimer();\r
-      gameFileFP = NULL;\r
-    }\r
-\r
-    /* Cancel draw offers */\r
-    first.offeredDraw = second.offeredDraw = 0;\r
-\r
-    /* If this is an ICS game, only ICS can really say it's done;\r
-       if not, anyone can. */\r
-    isIcsGame = (gameMode == IcsPlayingWhite || \r
-                gameMode == IcsPlayingBlack || \r
-                gameMode == IcsObserving    || \r
-                gameMode == IcsExamining);\r
-\r
-    if (!isIcsGame || whosays == GE_ICS) {\r
-       /* OK -- not an ICS game, or ICS said it was done */\r
-       StopClocks();\r
-       if (!isIcsGame && !appData.noChessProgram) \r
-         SetUserThinkingEnables();\r
-    \r
-        /* [HGM] if a machine claims the game end we verify this claim */\r
-        if(gameMode == TwoMachinesPlay && appData.testClaims) {\r
-           if(appData.testLegality && whosays >= GE_ENGINE1 ) {\r
-                char claimer;\r
-               ChessMove trueResult = (ChessMove) -1;\r
-\r
-                claimer = whosays == GE_ENGINE1 ?      /* color of claimer */\r
-                                            first.twoMachinesColor[0] :\r
-                                            second.twoMachinesColor[0] ;\r
-\r
-               // [HGM] losers: because the logic is becoming a bit hairy, determine true result first\r
-               if(epStatus[forwardMostMove] == EP_CHECKMATE) {\r
-                   /* [HGM] verify: engine mate claims accepted if they were flagged */\r
-                   trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;\r
-               } else\r
-               if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win\r
-                   /* [HGM] verify: engine mate claims accepted if they were flagged */\r
-                   trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;\r
-               } else\r
-               if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now\r
-                   trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE\r
-               }\r
-\r
-               // now verify win claims, but not in drop games, as we don't understand those yet\r
-                if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper\r
-                                                || gameInfo.variant == VariantGreat) &&\r
-                    (result == WhiteWins && claimer == 'w' ||\r
-                     result == BlackWins && claimer == 'b'   ) ) { // case to verify: engine claims own win\r
-                     if (appData.debugMode) {\r
-                       fprintf(debugFP, "result=%d sp=%d move=%d\n",\r
-                               result, epStatus[forwardMostMove], forwardMostMove);\r
-                     }\r
-                     if(result != trueResult) {\r
-                             sprintf(buf, "False win claim: '%s'", resultDetails);\r
-                             result = claimer == 'w' ? BlackWins : WhiteWins;\r
-                             resultDetails = buf;\r
-                     }\r
-                } else\r
-                if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS\r
-                    && (forwardMostMove <= backwardMostMove ||\r
-                        epStatus[forwardMostMove-1] > EP_DRAWS ||\r
-                        (claimer=='b')==(forwardMostMove&1))\r
-                                                                                  ) {\r
-                      /* [HGM] verify: draws that were not flagged are false claims */\r
-                      sprintf(buf, "False draw claim: '%s'", resultDetails);\r
-                      result = claimer == 'w' ? BlackWins : WhiteWins;\r
-                      resultDetails = buf;\r
-                }\r
-                /* (Claiming a loss is accepted no questions asked!) */\r
-           }\r
-           /* [HGM] bare: don't allow bare King to win */\r
-           if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)\r
-              && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway \r
-              && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...\r
-              && result != GameIsDrawn)\r
-           {   int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);\r
-               for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {\r
-                       int p = (int)boards[forwardMostMove][i][j] - color;\r
-                       if(p >= 0 && p <= (int)WhiteKing) k++;\r
-               }\r
-               if (appData.debugMode) {\r
-                    fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",\r
-                       result, resultDetails ? resultDetails : "(null)", whosays, k, color);\r
-               }\r
-               if(k <= 1) {\r
-                       result = GameIsDrawn;\r
-                       sprintf(buf, "%s but bare king", resultDetails);\r
-                       resultDetails = buf;\r
-               }\r
-           }\r
-        }\r
-\r
-\r
-        if(serverMoves != NULL && !loadFlag) { char c = '=';\r
-            if(result==WhiteWins) c = '+';\r
-            if(result==BlackWins) c = '-';\r
-            if(resultDetails != NULL)\r
-                fprintf(serverMoves, ";%c;%s\n", c, resultDetails);\r
-        }\r
-       if (resultDetails != NULL) {\r
-           gameInfo.result = result;\r
-           gameInfo.resultDetails = StrSave(resultDetails);\r
-\r
-           /* display last move only if game was not loaded from file */\r
-           if ((whosays != GE_FILE) && (currentMove == forwardMostMove))\r
-               DisplayMove(currentMove - 1);\r
-    \r
-           if (forwardMostMove != 0) {\r
-               if (gameMode != PlayFromGameFile && gameMode != EditGame) {\r
-                   if (*appData.saveGameFile != NULLCHAR) {\r
-                       SaveGameToFile(appData.saveGameFile, TRUE);\r
-                   } else if (appData.autoSaveGames) {\r
-                       AutoSaveGame();\r
-                   }\r
-                   if (*appData.savePositionFile != NULLCHAR) {\r
-                       SavePositionToFile(appData.savePositionFile);\r
-                   }\r
-               }\r
-           }\r
-\r
-           /* Tell program how game ended in case it is learning */\r
-            /* [HGM] Moved this to after saving the PGN, just in case */\r
-            /* engine died and we got here through time loss. In that */\r
-            /* case we will get a fatal error writing the pipe, which */\r
-            /* would otherwise lose us the PGN.                       */\r
-            /* [HGM] crash: not needed anymore, but doesn't hurt;     */\r
-            /* output during GameEnds should never be fatal anymore   */\r
-           if (gameMode == MachinePlaysWhite ||\r
-               gameMode == MachinePlaysBlack ||\r
-               gameMode == TwoMachinesPlay ||\r
-               gameMode == IcsPlayingWhite ||\r
-               gameMode == IcsPlayingBlack ||\r
-               gameMode == BeginningOfGame) {\r
-               char buf[MSG_SIZ];\r
-               sprintf(buf, "result %s {%s}\n", PGNResult(result),\r
-                       resultDetails);\r
-               if (first.pr != NoProc) {\r
-                   SendToProgram(buf, &first);\r
-               }\r
-               if (second.pr != NoProc &&\r
-                   gameMode == TwoMachinesPlay) {\r
-                   SendToProgram(buf, &second);\r
-               }\r
-           }\r
-       }\r
-\r
-       if (appData.icsActive) {\r
-           if (appData.quietPlay &&\r
-               (gameMode == IcsPlayingWhite ||\r
-                gameMode == IcsPlayingBlack)) {\r
-               SendToICS(ics_prefix);\r
-               SendToICS("set shout 1\n");\r
-           }\r
-           nextGameMode = IcsIdle;\r
-           ics_user_moved = FALSE;\r
-           /* clean up premove.  It's ugly when the game has ended and the\r
-            * premove highlights are still on the board.\r
-            */\r
-           if (gotPremove) {\r
-             gotPremove = FALSE;\r
-             ClearPremoveHighlights();\r
-             DrawPosition(FALSE, boards[currentMove]);\r
-           }\r
-           if (whosays == GE_ICS) {\r
-               switch (result) {\r
-               case WhiteWins:\r
-                   if (gameMode == IcsPlayingWhite)\r
-                       PlayIcsWinSound();\r
-                   else if(gameMode == IcsPlayingBlack)\r
-                       PlayIcsLossSound();\r
-                   break;\r
-               case BlackWins:\r
-                   if (gameMode == IcsPlayingBlack)\r
-                       PlayIcsWinSound();\r
-                   else if(gameMode == IcsPlayingWhite)\r
-                       PlayIcsLossSound();\r
-                   break;\r
-               case GameIsDrawn:\r
-                   PlayIcsDrawSound();\r
-                   break;\r
-               default:\r
-                   PlayIcsUnfinishedSound();\r
-               }\r
-           }\r
-       } else if (gameMode == EditGame ||\r
-                  gameMode == PlayFromGameFile || \r
-                  gameMode == AnalyzeMode || \r
-                  gameMode == AnalyzeFile) {\r
-           nextGameMode = gameMode;\r
-       } else {\r
-           nextGameMode = EndOfGame;\r
-       }\r
-       pausing = FALSE;\r
-       ModeHighlight();\r
-    } else {\r
-       nextGameMode = gameMode;\r
-    }\r
-\r
-    if (appData.noChessProgram) {\r
-       gameMode = nextGameMode;\r
-       ModeHighlight();\r
-       endingGame = 0; /* [HGM] crash */\r
-        return;\r
-    }\r
-\r
-    if (first.reuse) {\r
-       /* Put first chess program into idle state */\r
-       if (first.pr != NoProc &&\r
-           (gameMode == MachinePlaysWhite ||\r
-            gameMode == MachinePlaysBlack ||\r
-            gameMode == TwoMachinesPlay ||\r
-            gameMode == IcsPlayingWhite ||\r
-            gameMode == IcsPlayingBlack ||\r
-            gameMode == BeginningOfGame)) {\r
-           SendToProgram("force\n", &first);\r
-           if (first.usePing) {\r
-             char buf[MSG_SIZ];\r
-             sprintf(buf, "ping %d\n", ++first.lastPing);\r
-             SendToProgram(buf, &first);\r
-           }\r
-       }\r
-    } else if (result != GameUnfinished || nextGameMode == IcsIdle) {\r
-       /* Kill off first chess program */\r
-       if (first.isr != NULL)\r
-         RemoveInputSource(first.isr);\r
-       first.isr = NULL;\r
-    \r
-       if (first.pr != NoProc) {\r
-           ExitAnalyzeMode();\r
-            DoSleep( appData.delayBeforeQuit );\r
-           SendToProgram("quit\n", &first);\r
-            DoSleep( appData.delayAfterQuit );\r
-           DestroyChildProcess(first.pr, first.useSigterm);\r
-       }\r
-       first.pr = NoProc;\r
-    }\r
-    if (second.reuse) {\r
-       /* Put second chess program into idle state */\r
-       if (second.pr != NoProc &&\r
-           gameMode == TwoMachinesPlay) {\r
-           SendToProgram("force\n", &second);\r
-           if (second.usePing) {\r
-             char buf[MSG_SIZ];\r
-             sprintf(buf, "ping %d\n", ++second.lastPing);\r
-             SendToProgram(buf, &second);\r
-           }\r
-       }\r
-    } else if (result != GameUnfinished || nextGameMode == IcsIdle) {\r
-       /* Kill off second chess program */\r
-       if (second.isr != NULL)\r
-         RemoveInputSource(second.isr);\r
-       second.isr = NULL;\r
-    \r
-       if (second.pr != NoProc) {\r
-            DoSleep( appData.delayBeforeQuit );\r
-           SendToProgram("quit\n", &second);\r
-            DoSleep( appData.delayAfterQuit );\r
-           DestroyChildProcess(second.pr, second.useSigterm);\r
-       }\r
-       second.pr = NoProc;\r
-    }\r
-\r
-    if (matchMode && gameMode == TwoMachinesPlay) {\r
-        switch (result) {\r
-       case WhiteWins:\r
-         if (first.twoMachinesColor[0] == 'w') {\r
-           first.matchWins++;\r
-         } else {\r
-           second.matchWins++;\r
-         }\r
-         break;\r
-       case BlackWins:\r
-         if (first.twoMachinesColor[0] == 'b') {\r
-           first.matchWins++;\r
-         } else {\r
-           second.matchWins++;\r
-         }\r
-         break;\r
-       default:\r
-         break;\r
-       }\r
-       if (matchGame < appData.matchGames) {\r
-           char *tmp;\r
-           if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */\r
-               tmp = first.twoMachinesColor;\r
-               first.twoMachinesColor = second.twoMachinesColor;\r
-               second.twoMachinesColor = tmp;\r
-           }\r
-           gameMode = nextGameMode;\r
-           matchGame++;\r
-            if(appData.matchPause>10000 || appData.matchPause<10)\r
-                appData.matchPause = 10000; /* [HGM] make pause adjustable */\r
-            ScheduleDelayedEvent(NextMatchGame, appData.matchPause);\r
-           endingGame = 0; /* [HGM] crash */\r
-           return;\r
-       } else {\r
-           char buf[MSG_SIZ];\r
-           gameMode = nextGameMode;\r
-           sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),\r
-                   first.tidy, second.tidy,\r
-                   first.matchWins, second.matchWins,\r
-                   appData.matchGames - (first.matchWins + second.matchWins));\r
-           DisplayFatalError(buf, 0, 0);\r
-       }\r
-    }\r
-    if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&\r
-       !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))\r
-      ExitAnalyzeMode();\r
-    gameMode = nextGameMode;\r
-    ModeHighlight();\r
-    endingGame = 0;  /* [HGM] crash */\r
-}\r
-\r
-/* Assumes program was just initialized (initString sent).\r
-   Leaves program in force mode. */\r
-void\r
-FeedMovesToProgram(cps, upto) \r
-     ChessProgramState *cps;\r
-     int upto;\r
-{\r
-    int i;\r
-    \r
-    if (appData.debugMode)\r
-      fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",\r
-             startedFromSetupPosition ? "position and " : "",\r
-             backwardMostMove, upto, cps->which);\r
-    if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];\r
-        // [HGM] variantswitch: make engine aware of new variant\r
-       if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)\r
-               return; // [HGM] refrain from feeding moves altogether if variant is unsupported!\r
-       sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));\r
-       SendToProgram(buf, cps);\r
-        currentlyInitializedVariant = gameInfo.variant;\r
-    }\r
-    SendToProgram("force\n", cps);\r
-    if (startedFromSetupPosition) {\r
-       SendBoard(cps, backwardMostMove);\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "feedMoves\n");\r
-    }\r
-    }\r
-    for (i = backwardMostMove; i < upto; i++) {\r
-       SendMoveToProgram(i, cps);\r
-    }\r
-}\r
-\r
-\r
-void\r
-ResurrectChessProgram()\r
-{\r
-     /* The chess program may have exited.\r
-       If so, restart it and feed it all the moves made so far. */\r
-\r
-    if (appData.noChessProgram || first.pr != NoProc) return;\r
-    \r
-    StartChessProgram(&first);\r
-    InitChessProgram(&first, FALSE);\r
-    FeedMovesToProgram(&first, currentMove);\r
-\r
-    if (!first.sendTime) {\r
-       /* can't tell gnuchess what its clock should read,\r
-          so we bow to its notion. */\r
-       ResetClocks();\r
-       timeRemaining[0][currentMove] = whiteTimeRemaining;\r
-       timeRemaining[1][currentMove] = blackTimeRemaining;\r
-    }\r
-\r
-    if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||\r
-                appData.icsEngineAnalyze) && first.analysisSupport) {\r
-      SendToProgram("analyze\n", &first);\r
-      first.analyzing = TRUE;\r
-    }\r
-}\r
-\r
-/*\r
- * Button procedures\r
- */\r
-void\r
-Reset(redraw, init)\r
-     int redraw, init;\r
-{\r
-    int i;\r
-\r
-    if (appData.debugMode) {\r
-       fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",\r
-               redraw, init, gameMode);\r
-    }\r
-    pausing = pauseExamInvalid = FALSE;\r
-    startedFromSetupPosition = blackPlaysFirst = FALSE;\r
-    firstMove = TRUE;\r
-    whiteFlag = blackFlag = FALSE;\r
-    userOfferedDraw = FALSE;\r
-    hintRequested = bookRequested = FALSE;\r
-    first.maybeThinking = FALSE;\r
-    second.maybeThinking = FALSE;\r
-    first.bookSuspend = FALSE; // [HGM] book\r
-    second.bookSuspend = FALSE;\r
-    thinkOutput[0] = NULLCHAR;\r
-    lastHint[0] = NULLCHAR;\r
-    ClearGameInfo(&gameInfo);\r
-    gameInfo.variant = StringToVariant(appData.variant);\r
-    ics_user_moved = ics_clock_paused = FALSE;\r
-    ics_getting_history = H_FALSE;\r
-    ics_gamenum = -1;\r
-    white_holding[0] = black_holding[0] = NULLCHAR;\r
-    ClearProgramStats();\r
-    opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode\r
-    \r
-    ResetFrontEnd();\r
-    ClearHighlights();\r
-    flipView = appData.flipView;\r
-    ClearPremoveHighlights();\r
-    gotPremove = FALSE;\r
-    alarmSounded = FALSE;\r
-\r
-    GameEnds((ChessMove) 0, NULL, GE_PLAYER);\r
-    if(appData.serverMovesName != NULL) {\r
-        /* [HGM] prepare to make moves file for broadcasting */\r
-        clock_t t = clock();\r
-        if(serverMoves != NULL) fclose(serverMoves);\r
-        serverMoves = fopen(appData.serverMovesName, "r");\r
-        if(serverMoves != NULL) {\r
-            fclose(serverMoves);\r
-            /* delay 15 sec before overwriting, so all clients can see end */\r
-            while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);\r
-        }\r
-        serverMoves = fopen(appData.serverMovesName, "w");\r
-    }\r
-\r
-    ExitAnalyzeMode();\r
-    gameMode = BeginningOfGame;\r
-    ModeHighlight();\r
-    if(appData.icsActive) gameInfo.variant = VariantNormal;\r
-    InitPosition(redraw);\r
-    for (i = 0; i < MAX_MOVES; i++) {\r
-       if (commentList[i] != NULL) {\r
-           free(commentList[i]);\r
-           commentList[i] = NULL;\r
-       }\r
-    }\r
-    ResetClocks();\r
-    timeRemaining[0][0] = whiteTimeRemaining;\r
-    timeRemaining[1][0] = blackTimeRemaining;\r
-    if (first.pr == NULL) {\r
-       StartChessProgram(&first);\r
-    }\r
-    if (init) {\r
-           InitChessProgram(&first, startedFromSetupPosition);\r
-    }\r
-    DisplayTitle("");\r
-    DisplayMessage("", "");\r
-    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);\r
-}\r
-\r
-void\r
-AutoPlayGameLoop()\r
-{\r
-    for (;;) {\r
-       if (!AutoPlayOneMove())\r
-         return;\r
-       if (matchMode || appData.timeDelay == 0)\r
-         continue;\r
-       if (appData.timeDelay < 0 || gameMode == AnalyzeFile)\r
-         return;\r
-       StartLoadGameTimer((long)(1000.0 * appData.timeDelay));\r
-       break;\r
-    }\r
-}\r
-\r
-\r
-int\r
-AutoPlayOneMove()\r
-{\r
-    int fromX, fromY, toX, toY;\r
-\r
-    if (appData.debugMode) {\r
-      fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);\r
-    }\r
-\r
-    if (gameMode != PlayFromGameFile)\r
-      return FALSE;\r
-\r
-    if (currentMove >= forwardMostMove) {\r
-      gameMode = EditGame;\r
-      ModeHighlight();\r
-\r
-      /* [AS] Clear current move marker at the end of a game */\r
-      /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */\r
-\r
-      return FALSE;\r
-    }\r
-    \r
-    toX = moveList[currentMove][2] - AAA;\r
-    toY = moveList[currentMove][3] - ONE;\r
-\r
-    if (moveList[currentMove][1] == '@') {\r
-       if (appData.highlightLastMove) {\r
-           SetHighlights(-1, -1, toX, toY);\r
-       }\r
-    } else {\r
-        fromX = moveList[currentMove][0] - AAA;\r
-        fromY = moveList[currentMove][1] - ONE;\r
-\r
-        HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */\r
-\r
-       AnimateMove(boards[currentMove], fromX, fromY, toX, toY);\r
-\r
-       if (appData.highlightLastMove) {\r
-           SetHighlights(fromX, fromY, toX, toY);\r
-       }\r
-    }\r
-    DisplayMove(currentMove);\r
-    SendMoveToProgram(currentMove++, &first);\r
-    DisplayBothClocks();\r
-    DrawPosition(FALSE, boards[currentMove]);\r
-    // [HGM] PV info: always display, routine tests if empty\r
-    DisplayComment(currentMove - 1, commentList[currentMove]);\r
-    return TRUE;\r
-}\r
-\r
-\r
-int\r
-LoadGameOneMove(readAhead)\r
-     ChessMove readAhead;\r
-{\r
-    int fromX = 0, fromY = 0, toX = 0, toY = 0, done;\r
-    char promoChar = NULLCHAR;\r
-    ChessMove moveType;\r
-    char move[MSG_SIZ];\r
-    char *p, *q;\r
-    \r
-    if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile && \r
-       gameMode != AnalyzeMode && gameMode != Training) {\r
-       gameFileFP = NULL;\r
-       return FALSE;\r
-    }\r
-    \r
-    yyboardindex = forwardMostMove;\r
-    if (readAhead != (ChessMove)0) {\r
-      moveType = readAhead;\r
-    } else {\r
-      if (gameFileFP == NULL)\r
-         return FALSE;\r
-      moveType = (ChessMove) yylex();\r
-    }\r
-    \r
-    done = FALSE;\r
-    switch (moveType) {\r
-      case Comment:\r
-       if (appData.debugMode) \r
-         fprintf(debugFP, "Parsed Comment: %s\n", yy_text);\r
-       p = yy_text;\r
-       if (*p == '{' || *p == '[' || *p == '(') {\r
-           p[strlen(p) - 1] = NULLCHAR;\r
-           p++;\r
-       }\r
-\r
-       /* append the comment but don't display it */\r
-       while (*p == '\n') p++;\r
-       AppendComment(currentMove, p);\r
-       return TRUE;\r
-\r
-      case WhiteCapturesEnPassant:\r
-      case BlackCapturesEnPassant:\r
-      case WhitePromotionChancellor:\r
-      case BlackPromotionChancellor:\r
-      case WhitePromotionArchbishop:\r
-      case BlackPromotionArchbishop:\r
-      case WhitePromotionCentaur:\r
-      case BlackPromotionCentaur:\r
-      case WhitePromotionQueen:\r
-      case BlackPromotionQueen:\r
-      case WhitePromotionRook:\r
-      case BlackPromotionRook:\r
-      case WhitePromotionBishop:\r
-      case BlackPromotionBishop:\r
-      case WhitePromotionKnight:\r
-      case BlackPromotionKnight:\r
-      case WhitePromotionKing:\r
-      case BlackPromotionKing:\r
-      case NormalMove:\r
-      case WhiteKingSideCastle:\r
-      case WhiteQueenSideCastle:\r
-      case BlackKingSideCastle:\r
-      case BlackQueenSideCastle:\r
-      case WhiteKingSideCastleWild:\r
-      case WhiteQueenSideCastleWild:\r
-      case BlackKingSideCastleWild:\r
-      case BlackQueenSideCastleWild:\r
-      /* PUSH Fabien */\r
-      case WhiteHSideCastleFR:\r
-      case WhiteASideCastleFR:\r
-      case BlackHSideCastleFR:\r
-      case BlackASideCastleFR:\r
-      /* POP Fabien */\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);\r
-        fromX = currentMoveString[0] - AAA;\r
-        fromY = currentMoveString[1] - ONE;\r
-        toX = currentMoveString[2] - AAA;\r
-        toY = currentMoveString[3] - ONE;\r
-       promoChar = currentMoveString[4];\r
-       break;\r
-\r
-      case WhiteDrop:\r
-      case BlackDrop:\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);\r
-       fromX = moveType == WhiteDrop ?\r
-         (int) CharToPiece(ToUpper(currentMoveString[0])) :\r
-       (int) CharToPiece(ToLower(currentMoveString[0]));\r
-       fromY = DROP_RANK;\r
-        toX = currentMoveString[2] - AAA;\r
-        toY = currentMoveString[3] - ONE;\r
-       break;\r
-\r
-      case WhiteWins:\r
-      case BlackWins:\r
-      case GameIsDrawn:\r
-      case GameUnfinished:\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parsed game end: %s\n", yy_text);\r
-       p = strchr(yy_text, '{');\r
-       if (p == NULL) p = strchr(yy_text, '(');\r
-       if (p == NULL) {\r
-           p = yy_text;\r
-           if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";\r
-       } else {\r
-           q = strchr(p, *p == '{' ? '}' : ')');\r
-           if (q != NULL) *q = NULLCHAR;\r
-           p++;\r
-       }\r
-       GameEnds(moveType, p, GE_FILE);\r
-       done = TRUE;\r
-       if (cmailMsgLoaded) {\r
-           ClearHighlights();\r
-           flipView = WhiteOnMove(currentMove);\r
-           if (moveType == GameUnfinished) flipView = !flipView;\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Setting flipView to %d\n", flipView) ;\r
-       }\r
-       break;\r
-\r
-      case (ChessMove) 0:      /* end of file */\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parser hit end of file\n");\r
-       switch (MateTest(boards[currentMove], PosFlags(currentMove),\r
-                         EP_UNKNOWN, castlingRights[currentMove]) ) {\r
-         case MT_NONE:\r
-         case MT_CHECK:\r
-           break;\r
-         case MT_CHECKMATE:\r
-         case MT_STAINMATE:\r
-           if (WhiteOnMove(currentMove)) {\r
-               GameEnds(BlackWins, "Black mates", GE_FILE);\r
-           } else {\r
-               GameEnds(WhiteWins, "White mates", GE_FILE);\r
-           }\r
-           break;\r
-         case MT_STALEMATE:\r
-           GameEnds(GameIsDrawn, "Stalemate", GE_FILE);\r
-           break;\r
-       }\r
-       done = TRUE;\r
-       break;\r
-\r
-      case MoveNumberOne:\r
-       if (lastLoadGameStart == GNUChessGame) {\r
-           /* GNUChessGames have numbers, but they aren't move numbers */\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",\r
-                     yy_text, (int) moveType);\r
-           return LoadGameOneMove((ChessMove)0); /* tail recursion */\r
-       }\r
-       /* else fall thru */\r
-\r
-      case XBoardGame:\r
-      case GNUChessGame:\r
-      case PGNTag:\r
-       /* Reached start of next game in file */\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);\r
-       switch (MateTest(boards[currentMove], PosFlags(currentMove),\r
-                         EP_UNKNOWN, castlingRights[currentMove]) ) {\r
-         case MT_NONE:\r
-         case MT_CHECK:\r
-           break;\r
-         case MT_CHECKMATE:\r
-         case MT_STAINMATE:\r
-           if (WhiteOnMove(currentMove)) {\r
-               GameEnds(BlackWins, "Black mates", GE_FILE);\r
-           } else {\r
-               GameEnds(WhiteWins, "White mates", GE_FILE);\r
-           }\r
-           break;\r
-         case MT_STALEMATE:\r
-           GameEnds(GameIsDrawn, "Stalemate", GE_FILE);\r
-           break;\r
-       }\r
-       done = TRUE;\r
-       break;\r
-\r
-      case PositionDiagram:    /* should not happen; ignore */\r
-      case ElapsedTime:                /* ignore */\r
-      case NAG:                 /* ignore */\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",\r
-                 yy_text, (int) moveType);\r
-       return LoadGameOneMove((ChessMove)0); /* tail recursion */\r
-\r
-      case IllegalMove:\r
-       if (appData.testLegality) {\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);\r
-           sprintf(move, _("Illegal move: %d.%s%s"),\r
-                   (forwardMostMove / 2) + 1,\r
-                   WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);\r
-           DisplayError(move, 0);\r
-           done = TRUE;\r
-       } else {\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Parsed %s into IllegalMove %s\n",\r
-                     yy_text, currentMoveString);\r
-            fromX = currentMoveString[0] - AAA;\r
-            fromY = currentMoveString[1] - ONE;\r
-            toX = currentMoveString[2] - AAA;\r
-            toY = currentMoveString[3] - ONE;\r
-           promoChar = currentMoveString[4];\r
-       }\r
-       break;\r
-\r
-      case AmbiguousMove:\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);\r
-       sprintf(move, _("Ambiguous move: %d.%s%s"),\r
-               (forwardMostMove / 2) + 1,\r
-               WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);\r
-       DisplayError(move, 0);\r
-       done = TRUE;\r
-       break;\r
-\r
-      default:\r
-      case ImpossibleMove:\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);\r
-       sprintf(move, _("Illegal move: %d.%s%s"),\r
-               (forwardMostMove / 2) + 1,\r
-               WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);\r
-       DisplayError(move, 0);\r
-       done = TRUE;\r
-       break;\r
-    }\r
-\r
-    if (done) {\r
-       if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {\r
-           DrawPosition(FALSE, boards[currentMove]);\r
-           DisplayBothClocks();\r
-            if (!appData.matchMode) // [HGM] PV info: routine tests if empty\r
-             DisplayComment(currentMove - 1, commentList[currentMove]);\r
-       }\r
-       (void) StopLoadGameTimer();\r
-       gameFileFP = NULL;\r
-       cmailOldMove = forwardMostMove;\r
-       return FALSE;\r
-    } else {\r
-       /* currentMoveString is set as a side-effect of yylex */\r
-       strcat(currentMoveString, "\n");\r
-       strcpy(moveList[forwardMostMove], currentMoveString);\r
-       \r
-       thinkOutput[0] = NULLCHAR;\r
-       MakeMove(fromX, fromY, toX, toY, promoChar);\r
-       currentMove = forwardMostMove;\r
-       return TRUE;\r
-    }\r
-}\r
-\r
-/* Load the nth game from the given file */\r
-int\r
-LoadGameFromFile(filename, n, title, useList)\r
-     char *filename;\r
-     int n;\r
-     char *title;\r
-     /*Boolean*/ int useList;\r
-{\r
-    FILE *f;\r
-    char buf[MSG_SIZ];\r
-\r
-    if (strcmp(filename, "-") == 0) {\r
-       f = stdin;\r
-       title = "stdin";\r
-    } else {\r
-       f = fopen(filename, "rb");\r
-       if (f == NULL) {\r
-         snprintf(buf, sizeof(buf),  _("Can't open \"%s\""), filename);\r
-           DisplayError(buf, errno);\r
-           return FALSE;\r
-       }\r
-    }\r
-    if (fseek(f, 0, 0) == -1) {\r
-       /* f is not seekable; probably a pipe */\r
-       useList = FALSE;\r
-    }\r
-    if (useList && n == 0) {\r
-       int error = GameListBuild(f);\r
-       if (error) {\r
-           DisplayError(_("Cannot build game list"), error);\r
-       } else if (!ListEmpty(&gameList) &&\r
-                  ((ListGame *) gameList.tailPred)->number > 1) {\r
-           GameListPopUp(f, title);\r
-           return TRUE;\r
-       }\r
-       GameListDestroy();\r
-       n = 1;\r
-    }\r
-    if (n == 0) n = 1;\r
-    return LoadGame(f, n, title, FALSE);\r
-}\r
-\r
-\r
-void\r
-MakeRegisteredMove()\r
-{\r
-    int fromX, fromY, toX, toY;\r
-    char promoChar;\r
-    if (cmailMoveRegistered[lastLoadGameNumber - 1]) {\r
-       switch (cmailMoveType[lastLoadGameNumber - 1]) {\r
-         case CMAIL_MOVE:\r
-         case CMAIL_DRAW:\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Restoring %s for game %d\n",\r
-                     cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);\r
-    \r
-           thinkOutput[0] = NULLCHAR;\r
-           strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);\r
-            fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;\r
-            fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;\r
-            toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;\r
-            toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;\r
-           promoChar = cmailMove[lastLoadGameNumber - 1][4];\r
-           MakeMove(fromX, fromY, toX, toY, promoChar);\r
-           ShowMove(fromX, fromY, toX, toY);\r
-             \r
-           switch (MateTest(boards[currentMove], PosFlags(currentMove),\r
-                             EP_UNKNOWN, castlingRights[currentMove]) ) {\r
-             case MT_NONE:\r
-             case MT_CHECK:\r
-               break;\r
-               \r
-             case MT_CHECKMATE:\r
-             case MT_STAINMATE:\r
-               if (WhiteOnMove(currentMove)) {\r
-                   GameEnds(BlackWins, "Black mates", GE_PLAYER);\r
-               } else {\r
-                   GameEnds(WhiteWins, "White mates", GE_PLAYER);\r
-               }\r
-               break;\r
-               \r
-             case MT_STALEMATE:\r
-               GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);\r
-               break;\r
-           }\r
-\r
-           break;\r
-           \r
-         case CMAIL_RESIGN:\r
-           if (WhiteOnMove(currentMove)) {\r
-               GameEnds(BlackWins, "White resigns", GE_PLAYER);\r
-           } else {\r
-               GameEnds(WhiteWins, "Black resigns", GE_PLAYER);\r
-           }\r
-           break;\r
-           \r
-         case CMAIL_ACCEPT:\r
-           GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);\r
-           break;\r
-             \r
-         default:\r
-           break;\r
-       }\r
-    }\r
-\r
-    return;\r
-}\r
-\r
-/* Wrapper around LoadGame for use when a Cmail message is loaded */\r
-int\r
-CmailLoadGame(f, gameNumber, title, useList)\r
-     FILE *f;\r
-     int gameNumber;\r
-     char *title;\r
-     int useList;\r
-{\r
-    int retVal;\r
-\r
-    if (gameNumber > nCmailGames) {\r
-       DisplayError(_("No more games in this message"), 0);\r
-       return FALSE;\r
-    }\r
-    if (f == lastLoadGameFP) {\r
-       int offset = gameNumber - lastLoadGameNumber;\r
-       if (offset == 0) {\r
-           cmailMsg[0] = NULLCHAR;\r
-           if (cmailMoveRegistered[lastLoadGameNumber - 1]) {\r
-               cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;\r
-               nCmailMovesRegistered--;\r
-           }\r
-           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;\r
-           if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {\r
-               cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;\r
-           }\r
-       } else {\r
-           if (! RegisterMove()) return FALSE;\r
-       }\r
-    }\r
-\r
-    retVal = LoadGame(f, gameNumber, title, useList);\r
-\r
-    /* Make move registered during previous look at this game, if any */\r
-    MakeRegisteredMove();\r
-\r
-    if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {\r
-       commentList[currentMove]\r
-         = StrSave(cmailCommentList[lastLoadGameNumber - 1]);\r
-       DisplayComment(currentMove - 1, commentList[currentMove]);\r
-    }\r
-\r
-    return retVal;\r
-}\r
-\r
-/* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */\r
-int\r
-ReloadGame(offset)\r
-     int offset;\r
-{\r
-    int gameNumber = lastLoadGameNumber + offset;\r
-    if (lastLoadGameFP == NULL) {\r
-       DisplayError(_("No game has been loaded yet"), 0);\r
-       return FALSE;\r
-    }\r
-    if (gameNumber <= 0) {\r
-       DisplayError(_("Can't back up any further"), 0);\r
-       return FALSE;\r
-    }\r
-    if (cmailMsgLoaded) {\r
-       return CmailLoadGame(lastLoadGameFP, gameNumber,\r
-                            lastLoadGameTitle, lastLoadGameUseList);\r
-    } else {\r
-       return LoadGame(lastLoadGameFP, gameNumber,\r
-                       lastLoadGameTitle, lastLoadGameUseList);\r
-    }\r
-}\r
-\r
-\r
-\r
-/* Load the nth game from open file f */\r
-int\r
-LoadGame(f, gameNumber, title, useList)\r
-     FILE *f;\r
-     int gameNumber;\r
-     char *title;\r
-     int useList;\r
-{\r
-    ChessMove cm;\r
-    char buf[MSG_SIZ];\r
-    int gn = gameNumber;\r
-    ListGame *lg = NULL;\r
-    int numPGNTags = 0;\r
-    int err;\r
-    GameMode oldGameMode;\r
-    VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */\r
-\r
-    if (appData.debugMode) \r
-       fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);\r
-\r
-    if (gameMode == Training )\r
-       SetTrainingModeOff();\r
-\r
-    oldGameMode = gameMode;\r
-    if (gameMode != BeginningOfGame) {\r
-      Reset(FALSE, TRUE);\r
-    }\r
-\r
-    gameFileFP = f;\r
-    if (lastLoadGameFP != NULL && lastLoadGameFP != f) {\r
-       fclose(lastLoadGameFP);\r
-    }\r
-\r
-    if (useList) {\r
-       lg = (ListGame *) ListElem(&gameList, gameNumber-1);\r
-       \r
-       if (lg) {\r
-           fseek(f, lg->offset, 0);\r
-           GameListHighlight(gameNumber);\r
-           gn = 1;\r
-       }\r
-       else {\r
-           DisplayError(_("Game number out of range"), 0);\r
-           return FALSE;\r
-       }\r
-    } else {\r
-       GameListDestroy();\r
-       if (fseek(f, 0, 0) == -1) {\r
-           if (f == lastLoadGameFP ?\r
-               gameNumber == lastLoadGameNumber + 1 :\r
-               gameNumber == 1) {\r
-               gn = 1;\r
-           } else {\r
-               DisplayError(_("Can't seek on game file"), 0);\r
-               return FALSE;\r
-           }\r
-       }\r
-    }\r
-    lastLoadGameFP = f;\r
-    lastLoadGameNumber = gameNumber;\r
-    strcpy(lastLoadGameTitle, title);\r
-    lastLoadGameUseList = useList;\r
-\r
-    yynewfile(f);\r
-\r
-    if (lg && lg->gameInfo.white && lg->gameInfo.black) {\r
-      snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,\r
-               lg->gameInfo.black);\r
-           DisplayTitle(buf);\r
-    } else if (*title != NULLCHAR) {\r
-       if (gameNumber > 1) {\r
-           sprintf(buf, "%s %d", title, gameNumber);\r
-           DisplayTitle(buf);\r
-       } else {\r
-           DisplayTitle(title);\r
-       }\r
-    }\r
-\r
-    if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {\r
-       gameMode = PlayFromGameFile;\r
-       ModeHighlight();\r
-    }\r
-\r
-    currentMove = forwardMostMove = backwardMostMove = 0;\r
-    CopyBoard(boards[0], initialPosition);\r
-    StopClocks();\r
-\r
-    /*\r
-     * Skip the first gn-1 games in the file.\r
-     * Also skip over anything that precedes an identifiable \r
-     * start of game marker, to avoid being confused by \r
-     * garbage at the start of the file.  Currently \r
-     * recognized start of game markers are the move number "1",\r
-     * the pattern "gnuchess .* game", the pattern\r
-     * "^[#;%] [^ ]* game file", and a PGN tag block.  \r
-     * A game that starts with one of the latter two patterns\r
-     * will also have a move number 1, possibly\r
-     * following a position diagram.\r
-     * 5-4-02: Let's try being more lenient and allowing a game to\r
-     * start with an unnumbered move.  Does that break anything?\r
-     */\r
-    cm = lastLoadGameStart = (ChessMove) 0;\r
-    while (gn > 0) {\r
-       yyboardindex = forwardMostMove;\r
-       cm = (ChessMove) yylex();\r
-       switch (cm) {\r
-         case (ChessMove) 0:\r
-           if (cmailMsgLoaded) {\r
-               nCmailGames = CMAIL_MAX_GAMES - gn;\r
-           } else {\r
-               Reset(TRUE, TRUE);\r
-               DisplayError(_("Game not found in file"), 0);\r
-           }\r
-           return FALSE;\r
-\r
-         case GNUChessGame:\r
-         case XBoardGame:\r
-           gn--;\r
-           lastLoadGameStart = cm;\r
-           break;\r
-           \r
-         case MoveNumberOne:\r
-           switch (lastLoadGameStart) {\r
-             case GNUChessGame:\r
-             case XBoardGame:\r
-             case PGNTag:\r
-               break;\r
-             case MoveNumberOne:\r
-             case (ChessMove) 0:\r
-               gn--;           /* count this game */\r
-               lastLoadGameStart = cm;\r
-               break;\r
-             default:\r
-               /* impossible */\r
-               break;\r
-           }\r
-           break;\r
-\r
-         case PGNTag:\r
-           switch (lastLoadGameStart) {\r
-             case GNUChessGame:\r
-             case PGNTag:\r
-             case MoveNumberOne:\r
-             case (ChessMove) 0:\r
-               gn--;           /* count this game */\r
-               lastLoadGameStart = cm;\r
-               break;\r
-             case XBoardGame:\r
-               lastLoadGameStart = cm; /* game counted already */\r
-               break;\r
-             default:\r
-               /* impossible */\r
-               break;\r
-           }\r
-           if (gn > 0) {\r
-               do {\r
-                   yyboardindex = forwardMostMove;\r
-                   cm = (ChessMove) yylex();\r
-               } while (cm == PGNTag || cm == Comment);\r
-           }\r
-           break;\r
-\r
-         case WhiteWins:\r
-         case BlackWins:\r
-         case GameIsDrawn:\r
-           if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {\r
-               if (   cmailResult[CMAIL_MAX_GAMES - gn - 1]\r
-                   != CMAIL_OLD_RESULT) {\r
-                   nCmailResults ++ ;\r
-                   cmailResult[  CMAIL_MAX_GAMES\r
-                               - gn - 1] = CMAIL_OLD_RESULT;\r
-               }\r
-           }\r
-           break;\r
-\r
-         case NormalMove:\r
-           /* Only a NormalMove can be at the start of a game\r
-            * without a position diagram. */\r
-           if (lastLoadGameStart == (ChessMove) 0) {\r
-             gn--;\r
-             lastLoadGameStart = MoveNumberOne;\r
-           }\r
-           break;\r
-\r
-         default:\r
-           break;\r
-       }\r
-    }\r
-    \r
-    if (appData.debugMode)\r
-      fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);\r
-\r
-    if (cm == XBoardGame) {\r
-       /* Skip any header junk before position diagram and/or move 1 */\r
-       for (;;) {\r
-           yyboardindex = forwardMostMove;\r
-           cm = (ChessMove) yylex();\r
-\r
-           if (cm == (ChessMove) 0 ||\r
-               cm == GNUChessGame || cm == XBoardGame) {\r
-               /* Empty game; pretend end-of-file and handle later */\r
-               cm = (ChessMove) 0;\r
-               break;\r
-           }\r
-\r
-           if (cm == MoveNumberOne || cm == PositionDiagram ||\r
-               cm == PGNTag || cm == Comment)\r
-             break;\r
-       }\r
-    } else if (cm == GNUChessGame) {\r
-       if (gameInfo.event != NULL) {\r
-           free(gameInfo.event);\r
-       }\r
-       gameInfo.event = StrSave(yy_text);\r
-    }  \r
-\r
-    startedFromSetupPosition = FALSE;\r
-    while (cm == PGNTag) {\r
-       if (appData.debugMode) \r
-         fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);\r
-       err = ParsePGNTag(yy_text, &gameInfo);\r
-       if (!err) numPGNTags++;\r
-\r
-        /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */\r
-        if(gameInfo.variant != oldVariant) {\r
-            startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */\r
-           InitPosition(TRUE);\r
-            oldVariant = gameInfo.variant;\r
-           if (appData.debugMode) \r
-             fprintf(debugFP, "New variant %d\n", (int) oldVariant);\r
-        }\r
-\r
-\r
-       if (gameInfo.fen != NULL) {\r
-         Board initial_position;\r
-         startedFromSetupPosition = TRUE;\r
-         if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {\r
-           Reset(TRUE, TRUE);\r
-           DisplayError(_("Bad FEN position in file"), 0);\r
-           return FALSE;\r
-         }\r
-         CopyBoard(boards[0], initial_position);\r
-         if (blackPlaysFirst) {\r
-           currentMove = forwardMostMove = backwardMostMove = 1;\r
-           CopyBoard(boards[1], initial_position);\r
-           strcpy(moveList[0], "");\r
-           strcpy(parseList[0], "");\r
-           timeRemaining[0][1] = whiteTimeRemaining;\r
-           timeRemaining[1][1] = blackTimeRemaining;\r
-           if (commentList[0] != NULL) {\r
-             commentList[1] = commentList[0];\r
-             commentList[0] = NULL;\r
-           }\r
-         } else {\r
-           currentMove = forwardMostMove = backwardMostMove = 0;\r
-         }\r
-          /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */\r
-          {   int i;\r
-              initialRulePlies = FENrulePlies;\r
-              epStatus[forwardMostMove] = FENepStatus;\r
-              for( i=0; i< nrCastlingRights; i++ )\r
-                  initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];\r
-          }\r
-         yyboardindex = forwardMostMove;\r
-         free(gameInfo.fen);\r
-         gameInfo.fen = NULL;\r
-       }\r
-\r
-       yyboardindex = forwardMostMove;\r
-       cm = (ChessMove) yylex();\r
-\r
-       /* Handle comments interspersed among the tags */\r
-       while (cm == Comment) {\r
-           char *p;\r
-           if (appData.debugMode) \r
-             fprintf(debugFP, "Parsed Comment: %s\n", yy_text);\r
-           p = yy_text;\r
-           if (*p == '{' || *p == '[' || *p == '(') {\r
-               p[strlen(p) - 1] = NULLCHAR;\r
-               p++;\r
-           }\r
-           while (*p == '\n') p++;\r
-           AppendComment(currentMove, p);\r
-           yyboardindex = forwardMostMove;\r
-           cm = (ChessMove) yylex();\r
-       }\r
-    }\r
-\r
-    /* don't rely on existence of Event tag since if game was\r
-     * pasted from clipboard the Event tag may not exist\r
-     */\r
-    if (numPGNTags > 0){\r
-        char *tags;\r
-       if (gameInfo.variant == VariantNormal) {\r
-         gameInfo.variant = StringToVariant(gameInfo.event);\r
-       }\r
-       if (!matchMode) {\r
-          if( appData.autoDisplayTags ) {\r
-           tags = PGNTags(&gameInfo);\r
-           TagsPopUp(tags, CmailMsg());\r
-           free(tags);\r
-          }\r
-       }\r
-    } else {\r
-       /* Make something up, but don't display it now */\r
-       SetGameInfo();\r
-       TagsPopDown();\r
-    }\r
-\r
-    if (cm == PositionDiagram) {\r
-       int i, j;\r
-       char *p;\r
-       Board initial_position;\r
-\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);\r
-\r
-       if (!startedFromSetupPosition) {\r
-           p = yy_text;\r
-            for (i = BOARD_HEIGHT - 1; i >= 0; i--)\r
-              for (j = BOARD_LEFT; j < BOARD_RGHT; p++)\r
-               switch (*p) {\r
-                 case '[':\r
-                 case '-':\r
-                 case ' ':\r
-                 case '\t':\r
-                 case '\n':\r
-                 case '\r':\r
-                   break;\r
-                 default:\r
-                   initial_position[i][j++] = CharToPiece(*p);\r
-                   break;\r
-               }\r
-           while (*p == ' ' || *p == '\t' ||\r
-                  *p == '\n' || *p == '\r') p++;\r
-       \r
-           if (strncmp(p, "black", strlen("black"))==0)\r
-             blackPlaysFirst = TRUE;\r
-           else\r
-             blackPlaysFirst = FALSE;\r
-           startedFromSetupPosition = TRUE;\r
-       \r
-           CopyBoard(boards[0], initial_position);\r
-           if (blackPlaysFirst) {\r
-               currentMove = forwardMostMove = backwardMostMove = 1;\r
-               CopyBoard(boards[1], initial_position);\r
-               strcpy(moveList[0], "");\r
-               strcpy(parseList[0], "");\r
-               timeRemaining[0][1] = whiteTimeRemaining;\r
-               timeRemaining[1][1] = blackTimeRemaining;\r
-               if (commentList[0] != NULL) {\r
-                   commentList[1] = commentList[0];\r
-                   commentList[0] = NULL;\r
-               }\r
-           } else {\r
-               currentMove = forwardMostMove = backwardMostMove = 0;\r
-           }\r
-       }\r
-       yyboardindex = forwardMostMove;\r
-       cm = (ChessMove) yylex();\r
-    }\r
-\r
-    if (first.pr == NoProc) {\r
-       StartChessProgram(&first);\r
-    }\r
-    InitChessProgram(&first, FALSE);\r
-    SendToProgram("force\n", &first);\r
-    if (startedFromSetupPosition) {\r
-       SendBoard(&first, forwardMostMove);\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "Load Game\n");\r
-    }\r
-       DisplayBothClocks();\r
-    }      \r
-\r
-    /* [HGM] server: flag to write setup moves in broadcast file as one */\r
-    loadFlag = appData.suppressLoadMoves;\r
-\r
-    while (cm == Comment) {\r
-       char *p;\r
-       if (appData.debugMode) \r
-         fprintf(debugFP, "Parsed Comment: %s\n", yy_text);\r
-       p = yy_text;\r
-       if (*p == '{' || *p == '[' || *p == '(') {\r
-           p[strlen(p) - 1] = NULLCHAR;\r
-           p++;\r
-       }\r
-       while (*p == '\n') p++;\r
-       AppendComment(currentMove, p);\r
-       yyboardindex = forwardMostMove;\r
-       cm = (ChessMove) yylex();\r
-    }\r
-\r
-    if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||\r
-       cm == WhiteWins || cm == BlackWins ||\r
-       cm == GameIsDrawn || cm == GameUnfinished) {\r
-       DisplayMessage("", _("No moves in game"));\r
-       if (cmailMsgLoaded) {\r
-           if (appData.debugMode)\r
-             fprintf(debugFP, "Setting flipView to %d.\n", FALSE);\r
-           ClearHighlights();\r
-           flipView = FALSE;\r
-       }\r
-       DrawPosition(FALSE, boards[currentMove]);\r
-       DisplayBothClocks();\r
-       gameMode = EditGame;\r
-       ModeHighlight();\r
-       gameFileFP = NULL;\r
-       cmailOldMove = 0;\r
-       return TRUE;\r
-    }\r
-\r
-    // [HGM] PV info: routine tests if comment empty\r
-    if (!matchMode && (pausing || appData.timeDelay != 0)) {\r
-       DisplayComment(currentMove - 1, commentList[currentMove]);\r
-    }\r
-    if (!matchMode && appData.timeDelay != 0) \r
-      DrawPosition(FALSE, boards[currentMove]);\r
-\r
-    if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {\r
-      programStats.ok_to_send = 1;\r
-    }\r
-\r
-    /* if the first token after the PGN tags is a move\r
-     * and not move number 1, retrieve it from the parser \r
-     */\r
-    if (cm != MoveNumberOne)\r
-       LoadGameOneMove(cm);\r
-\r
-    /* load the remaining moves from the file */\r
-    while (LoadGameOneMove((ChessMove)0)) {\r
-      timeRemaining[0][forwardMostMove] = whiteTimeRemaining;\r
-      timeRemaining[1][forwardMostMove] = blackTimeRemaining;\r
-    }\r
-\r
-    /* rewind to the start of the game */\r
-    currentMove = backwardMostMove;\r
-\r
-    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);\r
-\r
-    if (oldGameMode == AnalyzeFile ||\r
-       oldGameMode == AnalyzeMode) {\r
-      AnalyzeFileEvent();\r
-    }\r
-\r
-    if (matchMode || appData.timeDelay == 0) {\r
-      ToEndEvent();\r
-      gameMode = EditGame;\r
-      ModeHighlight();\r
-    } else if (appData.timeDelay > 0) {\r
-      AutoPlayGameLoop();\r
-    }\r
-\r
-    if (appData.debugMode) \r
-       fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);\r
-\r
-    loadFlag = 0; /* [HGM] true game starts */\r
-    return TRUE;\r
-}\r
-\r
-/* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */\r
-int\r
-ReloadPosition(offset)\r
-     int offset;\r
-{\r
-    int positionNumber = lastLoadPositionNumber + offset;\r
-    if (lastLoadPositionFP == NULL) {\r
-       DisplayError(_("No position has been loaded yet"), 0);\r
-       return FALSE;\r
-    }\r
-    if (positionNumber <= 0) {\r
-       DisplayError(_("Can't back up any further"), 0);\r
-       return FALSE;\r
-    }\r
-    return LoadPosition(lastLoadPositionFP, positionNumber,\r
-                       lastLoadPositionTitle);\r
-}\r
-\r
-/* Load the nth position from the given file */\r
-int\r
-LoadPositionFromFile(filename, n, title)\r
-     char *filename;\r
-     int n;\r
-     char *title;\r
-{\r
-    FILE *f;\r
-    char buf[MSG_SIZ];\r
-\r
-    if (strcmp(filename, "-") == 0) {\r
-       return LoadPosition(stdin, n, "stdin");\r
-    } else {\r
-       f = fopen(filename, "rb");\r
-       if (f == NULL) {\r
-            snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);\r
-           DisplayError(buf, errno);\r
-           return FALSE;\r
-       } else {\r
-           return LoadPosition(f, n, title);\r
-       }\r
-    }\r
-}\r
-\r
-/* Load the nth position from the given open file, and close it */\r
-int\r
-LoadPosition(f, positionNumber, title)\r
-     FILE *f;\r
-     int positionNumber;\r
-     char *title;\r
-{\r
-    char *p, line[MSG_SIZ];\r
-    Board initial_position;\r
-    int i, j, fenMode, pn;\r
-    \r
-    if (gameMode == Training )\r
-       SetTrainingModeOff();\r
-\r
-    if (gameMode != BeginningOfGame) {\r
-       Reset(FALSE, TRUE);\r
-    }\r
-    if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {\r
-       fclose(lastLoadPositionFP);\r
-    }\r
-    if (positionNumber == 0) positionNumber = 1;\r
-    lastLoadPositionFP = f;\r
-    lastLoadPositionNumber = positionNumber;\r
-    strcpy(lastLoadPositionTitle, title);\r
-    if (first.pr == NoProc) {\r
-      StartChessProgram(&first);\r
-      InitChessProgram(&first, FALSE);\r
-    }    \r
-    pn = positionNumber;\r
-    if (positionNumber < 0) {\r
-       /* Negative position number means to seek to that byte offset */\r
-       if (fseek(f, -positionNumber, 0) == -1) {\r
-           DisplayError(_("Can't seek on position file"), 0);\r
-           return FALSE;\r
-       };\r
-       pn = 1;\r
-    } else {\r
-       if (fseek(f, 0, 0) == -1) {\r
-           if (f == lastLoadPositionFP ?\r
-               positionNumber == lastLoadPositionNumber + 1 :\r
-               positionNumber == 1) {\r
-               pn = 1;\r
-           } else {\r
-               DisplayError(_("Can't seek on position file"), 0);\r
-               return FALSE;\r
-           }\r
-       }\r
-    }\r
-    /* See if this file is FEN or old-style xboard */\r
-    if (fgets(line, MSG_SIZ, f) == NULL) {\r
-       DisplayError(_("Position not found in file"), 0);\r
-       return FALSE;\r
-    }\r
-#if 0\r
-    switch (line[0]) {\r
-      case '#':  case 'x':\r
-      default:\r
-       fenMode = FALSE;\r
-       break;\r
-      case 'p':  case 'n':  case 'b':  case 'r':  case 'q':  case 'k':\r
-      case 'P':  case 'N':  case 'B':  case 'R':  case 'Q':  case 'K':\r
-      case '1':  case '2':  case '3':  case '4':  case '5':  case '6':\r
-      case '7':  case '8':  case '9':\r
-      case 'H':  case 'A':  case 'M':  case 'h':  case 'a':  case 'm':\r
-      case 'E':  case 'F':  case 'G':  case 'e':  case 'f':  case 'g':\r
-      case 'C':  case 'W':             case 'c':  case 'w': \r
-       fenMode = TRUE;\r
-       break;\r
-    }\r
-#else\r
-    // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces\r
-    fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;\r
-#endif\r
-\r
-    if (pn >= 2) {\r
-       if (fenMode || line[0] == '#') pn--;\r
-       while (pn > 0) {\r
-           /* skip positions before number pn */\r
-           if (fgets(line, MSG_SIZ, f) == NULL) {\r
-               Reset(TRUE, TRUE);\r
-               DisplayError(_("Position not found in file"), 0);\r
-               return FALSE;\r
-           }\r
-           if (fenMode || line[0] == '#') pn--;\r
-       }\r
-    }\r
-\r
-    if (fenMode) {\r
-       if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {\r
-           DisplayError(_("Bad FEN position in file"), 0);\r
-           return FALSE;\r
-       }\r
-    } else {\r
-       (void) fgets(line, MSG_SIZ, f);\r
-       (void) fgets(line, MSG_SIZ, f);\r
-    \r
-        for (i = BOARD_HEIGHT - 1; i >= 0; i--) {\r
-           (void) fgets(line, MSG_SIZ, f);\r
-            for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {\r
-               if (*p == ' ')\r
-                 continue;\r
-               initial_position[i][j++] = CharToPiece(*p);\r
-           }\r
-       }\r
-    \r
-       blackPlaysFirst = FALSE;\r
-       if (!feof(f)) {\r
-           (void) fgets(line, MSG_SIZ, f);\r
-           if (strncmp(line, "black", strlen("black"))==0)\r
-             blackPlaysFirst = TRUE;\r
-       }\r
-    }\r
-    startedFromSetupPosition = TRUE;\r
-    \r
-    SendToProgram("force\n", &first);\r
-    CopyBoard(boards[0], initial_position);\r
-    if (blackPlaysFirst) {\r
-       currentMove = forwardMostMove = backwardMostMove = 1;\r
-       strcpy(moveList[0], "");\r
-       strcpy(parseList[0], "");\r
-       CopyBoard(boards[1], initial_position);\r
-       DisplayMessage("", _("Black to play"));\r
-    } else {\r
-       currentMove = forwardMostMove = backwardMostMove = 0;\r
-       DisplayMessage("", _("White to play"));\r
-    }\r
-          /* [HGM] copy FEN attributes as well */\r
-          {   int i;\r
-              initialRulePlies = FENrulePlies;\r
-              epStatus[forwardMostMove] = FENepStatus;\r
-              for( i=0; i< nrCastlingRights; i++ )\r
-                  castlingRights[forwardMostMove][i] = FENcastlingRights[i];\r
-          }\r
-    SendBoard(&first, forwardMostMove);\r
-    if (appData.debugMode) {\r
-int i, j;\r
-  for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}\r
-  for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");\r
-        fprintf(debugFP, "Load Position\n");\r
-    }\r
-\r
-    if (positionNumber > 1) {\r
-       sprintf(line, "%s %d", title, positionNumber);\r
-       DisplayTitle(line);\r
-    } else {\r
-       DisplayTitle(title);\r
-    }\r
-    gameMode = EditGame;\r
-    ModeHighlight();\r
-    ResetClocks();\r
-    timeRemaining[0][1] = whiteTimeRemaining;\r
-    timeRemaining[1][1] = blackTimeRemaining;\r
-    DrawPosition(FALSE, boards[currentMove]);\r
-   \r
-    return TRUE;\r
-}\r
-\r
-\r
-void\r
-CopyPlayerNameIntoFileName(dest, src)\r
-     char **dest, *src;\r
-{\r
-    while (*src != NULLCHAR && *src != ',') {\r
-       if (*src == ' ') {\r
-           *(*dest)++ = '_';\r
-           src++;\r
-       } else {\r
-           *(*dest)++ = *src++;\r
-       }\r
-    }\r
-}\r
-\r
-char *DefaultFileName(ext)\r
-     char *ext;\r
-{\r
-    static char def[MSG_SIZ];\r
-    char *p;\r
-\r
-    if (gameInfo.white != NULL && gameInfo.white[0] != '-') {\r
-       p = def;\r
-       CopyPlayerNameIntoFileName(&p, gameInfo.white);\r
-       *p++ = '-';\r
-       CopyPlayerNameIntoFileName(&p, gameInfo.black);\r
-       *p++ = '.';\r
-       strcpy(p, ext);\r
-    } else {\r
-       def[0] = NULLCHAR;\r
-    }\r
-    return def;\r
-}\r
-\r
-/* Save the current game to the given file */\r
-int\r
-SaveGameToFile(filename, append)\r
-     char *filename;\r
-     int append;\r
-{\r
-    FILE *f;\r
-    char buf[MSG_SIZ];\r
-\r
-    if (strcmp(filename, "-") == 0) {\r
-       return SaveGame(stdout, 0, NULL);\r
-    } else {\r
-       f = fopen(filename, append ? "a" : "w");\r
-       if (f == NULL) {\r
-           snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);\r
-           DisplayError(buf, errno);\r
-           return FALSE;\r
-       } else {\r
-           return SaveGame(f, 0, NULL);\r
-       }\r
-    }\r
-}\r
-\r
-char *\r
-SavePart(str)\r
-     char *str;\r
-{\r
-    static char buf[MSG_SIZ];\r
-    char *p;\r
-    \r
-    p = strchr(str, ' ');\r
-    if (p == NULL) return str;\r
-    strncpy(buf, str, p - str);\r
-    buf[p - str] = NULLCHAR;\r
-    return buf;\r
-}\r
-\r
-#define PGN_MAX_LINE 75\r
-\r
-#define PGN_SIDE_WHITE  0\r
-#define PGN_SIDE_BLACK  1\r
-\r
-/* [AS] */\r
-static int FindFirstMoveOutOfBook( int side )\r
-{\r
-    int result = -1;\r
-\r
-    if( backwardMostMove == 0 && ! startedFromSetupPosition) {\r
-        int index = backwardMostMove;\r
-        int has_book_hit = 0;\r
-\r
-        if( (index % 2) != side ) {\r
-            index++;\r
-        }\r
-\r
-        while( index < forwardMostMove ) {\r
-            /* Check to see if engine is in book */\r
-            int depth = pvInfoList[index].depth;\r
-            int score = pvInfoList[index].score;\r
-            int in_book = 0;\r
-\r
-            if( depth <= 2 ) {\r
-                in_book = 1;\r
-            }\r
-            else if( score == 0 && depth == 63 ) {\r
-                in_book = 1; /* Zappa */\r
-            }\r
-            else if( score == 2 && depth == 99 ) {\r
-                in_book = 1; /* Abrok */\r
-            }\r
-\r
-            has_book_hit += in_book;\r
-\r
-            if( ! in_book ) {\r
-                result = index;\r
-\r
-                break;\r
-            }\r
-\r
-            index += 2;\r
-        }\r
-    }\r
-\r
-    return result;\r
-}\r
-\r
-/* [AS] */\r
-void GetOutOfBookInfo( char * buf )\r
-{\r
-    int oob[2];\r
-    int i;\r
-    int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */\r
-\r
-    oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );\r
-    oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );\r
-\r
-    *buf = '\0';\r
-\r
-    if( oob[0] >= 0 || oob[1] >= 0 ) {\r
-        for( i=0; i<2; i++ ) {\r
-            int idx = oob[i];\r
-\r
-            if( idx >= 0 ) {\r
-                if( i > 0 && oob[0] >= 0 ) {\r
-                    strcat( buf, "   " );\r
-                }\r
-\r
-                sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );\r
-                sprintf( buf+strlen(buf), "%s%.2f", \r
-                    pvInfoList[idx].score >= 0 ? "+" : "",\r
-                    pvInfoList[idx].score / 100.0 );\r
-            }\r
-        }\r
-    }\r
-}\r
-\r
-/* Save game in PGN style and close the file */\r
-int\r
-SaveGamePGN(f)\r
-     FILE *f;\r
-{\r
-    int i, offset, linelen, newblock;\r
-    time_t tm;\r
-//    char *movetext;\r
-    char numtext[32];\r
-    int movelen, numlen, blank;\r
-    char move_buffer[100]; /* [AS] Buffer for move+PV info */\r
-\r
-    offset = backwardMostMove & (~1L); /* output move numbers start at 1 */\r
-    \r
-    tm = time((time_t *) NULL);\r
-    \r
-    PrintPGNTags(f, &gameInfo);\r
-    \r
-    if (backwardMostMove > 0 || startedFromSetupPosition) {\r
-        char *fen = PositionToFEN(backwardMostMove, NULL);\r
-        fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);\r
-       fprintf(f, "\n{--------------\n");\r
-       PrintPosition(f, backwardMostMove);\r
-       fprintf(f, "--------------}\n");\r
-        free(fen);\r
-    }\r
-    else {\r
-        /* [AS] Out of book annotation */\r
-        if( appData.saveOutOfBookInfo ) {\r
-            char buf[64];\r
-\r
-            GetOutOfBookInfo( buf );\r
-\r
-            if( buf[0] != '\0' ) {\r
-                fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf ); \r
-            }\r
-        }\r
-\r
-       fprintf(f, "\n");\r
-    }\r
-\r
-    i = backwardMostMove;\r
-    linelen = 0;\r
-    newblock = TRUE;\r
-\r
-    while (i < forwardMostMove) {\r
-       /* Print comments preceding this move */\r
-       if (commentList[i] != NULL) {\r
-           if (linelen > 0) fprintf(f, "\n");\r
-           fprintf(f, "{\n%s}\n", commentList[i]);\r
-           linelen = 0;\r
-           newblock = TRUE;\r
-       }\r
-\r
-       /* Format move number */\r
-       if ((i % 2) == 0) {\r
-           sprintf(numtext, "%d.", (i - offset)/2 + 1);\r
-       } else {\r
-           if (newblock) {\r
-               sprintf(numtext, "%d...", (i - offset)/2 + 1);\r
-           } else {\r
-               numtext[0] = NULLCHAR;\r
-           }\r
-       }\r
-       numlen = strlen(numtext);\r
-       newblock = FALSE;\r
-\r
-       /* Print move number */\r
-       blank = linelen > 0 && numlen > 0;\r
-       if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {\r
-           fprintf(f, "\n");\r
-           linelen = 0;\r
-           blank = 0;\r
-       }\r
-       if (blank) {\r
-           fprintf(f, " ");\r
-           linelen++;\r
-       }\r
-       fprintf(f, numtext);\r
-       linelen += numlen;\r
-\r
-       /* Get move */\r
-       strcpy(move_buffer, parseList[i]); // [HGM] pgn: print move via buffer, so it can be edited\r
-       movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */\r
-        if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {\r
-               int p = movelen - 1;\r
-               if(move_buffer[p] == ' ') p--;\r
-               if(move_buffer[p] == ')') { // [HGM] pgn: strip off ICS time if we have extended info\r
-                   while(p && move_buffer[--p] != '(');\r
-                   if(p && move_buffer[p-1] == ' ') move_buffer[movelen=p-1] = 0;\r
-               }\r
-        }\r
-\r
-       /* Print move */\r
-       blank = linelen > 0 && movelen > 0;\r
-       if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {\r
-           fprintf(f, "\n");\r
-           linelen = 0;\r
-           blank = 0;\r
-       }\r
-       if (blank) {\r
-           fprintf(f, " ");\r
-           linelen++;\r
-       }\r
-       fprintf(f, move_buffer);\r
-       linelen += movelen;\r
-\r
-        /* [AS] Add PV info if present */\r
-        if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {\r
-            /* [HGM] add time */\r
-            char buf[MSG_SIZ]; int seconds = 0;\r
-\r
-#if 1\r
-            if(i >= backwardMostMove) {\r
-               if(WhiteOnMove(i))\r
-                       seconds = timeRemaining[0][i] - timeRemaining[0][i+1]\r
-                                 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);\r
-               else\r
-                       seconds = timeRemaining[1][i] - timeRemaining[1][i+1]\r
-                                  + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);\r
-            }\r
-            seconds = (seconds+50)/100; // deci-seconds, rounded to nearest\r
-#else\r
-            seconds = (pvInfoList[i].time + 5)/10; // [HGM] PVtime: use engine time\r
-#endif\r
-\r
-            if( seconds <= 0) buf[0] = 0; else\r
-            if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {\r
-               seconds = (seconds + 4)/10; // round to full seconds\r
-               if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else\r
-                                  sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);\r
-           }\r
-\r
-            sprintf( move_buffer, "{%s%.2f/%d%s}", \r
-                pvInfoList[i].score >= 0 ? "+" : "",\r
-                pvInfoList[i].score / 100.0,\r
-                pvInfoList[i].depth,\r
-               buf );\r
-\r
-           movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */\r
-\r
-           /* Print score/depth */\r
-           blank = linelen > 0 && movelen > 0;\r
-           if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {\r
-               fprintf(f, "\n");\r
-               linelen = 0;\r
-               blank = 0;\r
-           }\r
-           if (blank) {\r
-               fprintf(f, " ");\r
-               linelen++;\r
-           }\r
-           fprintf(f, move_buffer);\r
-           linelen += movelen;\r
-        }\r
-\r
-       i++;\r
-    }\r
-    \r
-    /* Start a new line */\r
-    if (linelen > 0) fprintf(f, "\n");\r
-\r
-    /* Print comments after last move */\r
-    if (commentList[i] != NULL) {\r
-       fprintf(f, "{\n%s}\n", commentList[i]);\r
-    }\r
-\r
-    /* Print result */\r
-    if (gameInfo.resultDetails != NULL &&\r
-       gameInfo.resultDetails[0] != NULLCHAR) {\r
-       fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,\r
-               PGNResult(gameInfo.result));\r
-    } else {\r
-       fprintf(f, "%s\n\n", PGNResult(gameInfo.result));\r
-    }\r
-\r
-    fclose(f);\r
-    return TRUE;\r
-}\r
-\r
-/* Save game in old style and close the file */\r
-int\r
-SaveGameOldStyle(f)\r
-     FILE *f;\r
-{\r
-    int i, offset;\r
-    time_t tm;\r
-    \r
-    tm = time((time_t *) NULL);\r
-    \r
-    fprintf(f, "# %s game file -- %s", programName, ctime(&tm));\r
-    PrintOpponents(f);\r
-    \r
-    if (backwardMostMove > 0 || startedFromSetupPosition) {\r
-       fprintf(f, "\n[--------------\n");\r
-       PrintPosition(f, backwardMostMove);\r
-       fprintf(f, "--------------]\n");\r
-    } else {\r
-       fprintf(f, "\n");\r
-    }\r
-\r
-    i = backwardMostMove;\r
-    offset = backwardMostMove & (~1L); /* output move numbers start at 1 */\r
-\r
-    while (i < forwardMostMove) {\r
-       if (commentList[i] != NULL) {\r
-           fprintf(f, "[%s]\n", commentList[i]);\r
-       }\r
-\r
-       if ((i % 2) == 1) {\r
-           fprintf(f, "%d. ...  %s\n", (i - offset)/2 + 1, parseList[i]);\r
-           i++;\r
-       } else {\r
-           fprintf(f, "%d. %s  ", (i - offset)/2 + 1, parseList[i]);\r
-           i++;\r
-           if (commentList[i] != NULL) {\r
-               fprintf(f, "\n");\r
-               continue;\r
-           }\r
-           if (i >= forwardMostMove) {\r
-               fprintf(f, "\n");\r
-               break;\r
-           }\r
-           fprintf(f, "%s\n", parseList[i]);\r
-           i++;\r
-       }\r
-    }\r
-    \r
-    if (commentList[i] != NULL) {\r
-       fprintf(f, "[%s]\n", commentList[i]);\r
-    }\r
-\r
-    /* This isn't really the old style, but it's close enough */\r
-    if (gameInfo.resultDetails != NULL &&\r
-       gameInfo.resultDetails[0] != NULLCHAR) {\r
-       fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),\r
-               gameInfo.resultDetails);\r
-    } else {\r
-       fprintf(f, "%s\n\n", PGNResult(gameInfo.result));\r
-    }\r
-\r
-    fclose(f);\r
-    return TRUE;\r
-}\r
-\r
-/* Save the current game to open file f and close the file */\r
-int\r
-SaveGame(f, dummy, dummy2)\r
-     FILE *f;\r
-     int dummy;\r
-     char *dummy2;\r
-{\r
-    if (gameMode == EditPosition) EditPositionDone();\r
-    if (appData.oldSaveStyle)\r
-      return SaveGameOldStyle(f);\r
-    else\r
-      return SaveGamePGN(f);\r
-}\r
-\r
-/* Save the current position to the given file */\r
-int\r
-SavePositionToFile(filename)\r
-     char *filename;\r
-{\r
-    FILE *f;\r
-    char buf[MSG_SIZ];\r
-\r
-    if (strcmp(filename, "-") == 0) {\r
-       return SavePosition(stdout, 0, NULL);\r
-    } else {\r
-       f = fopen(filename, "a");\r
-       if (f == NULL) {\r
-           snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);\r
-           DisplayError(buf, errno);\r
-           return FALSE;\r
-       } else {\r
-           SavePosition(f, 0, NULL);\r
-           return TRUE;\r
-       }\r
-    }\r
-}\r
-\r
-/* Save the current position to the given open file and close the file */\r
-int\r
-SavePosition(f, dummy, dummy2)\r
-     FILE *f;\r
-     int dummy;\r
-     char *dummy2;\r
-{\r
-    time_t tm;\r
-    char *fen;\r
-    \r
-    if (appData.oldSaveStyle) {\r
-       tm = time((time_t *) NULL);\r
-    \r
-       fprintf(f, "# %s position file -- %s", programName, ctime(&tm));\r
-       PrintOpponents(f);\r
-       fprintf(f, "[--------------\n");\r
-       PrintPosition(f, currentMove);\r
-       fprintf(f, "--------------]\n");\r
-    } else {\r
-       fen = PositionToFEN(currentMove, NULL);\r
-       fprintf(f, "%s\n", fen);\r
-       free(fen);\r
-    }\r
-    fclose(f);\r
-    return TRUE;\r
-}\r
-\r
-void\r
-ReloadCmailMsgEvent(unregister)\r
-     int unregister;\r
-{\r
-#if !WIN32\r
-    static char *inFilename = NULL;\r
-    static char *outFilename;\r
-    int i;\r
-    struct stat inbuf, outbuf;\r
-    int status;\r
-    \r
-    /* Any registered moves are unregistered if unregister is set, */\r
-    /* i.e. invoked by the signal handler */\r
-    if (unregister) {\r
-       for (i = 0; i < CMAIL_MAX_GAMES; i ++) {\r
-           cmailMoveRegistered[i] = FALSE;\r
-           if (cmailCommentList[i] != NULL) {\r
-               free(cmailCommentList[i]);\r
-               cmailCommentList[i] = NULL;\r
-           }\r
-       }\r
-       nCmailMovesRegistered = 0;\r
-    }\r
-\r
-    for (i = 0; i < CMAIL_MAX_GAMES; i ++) {\r
-       cmailResult[i] = CMAIL_NOT_RESULT;\r
-    }\r
-    nCmailResults = 0;\r
-\r
-    if (inFilename == NULL) {\r
-       /* Because the filenames are static they only get malloced once  */\r
-       /* and they never get freed                                      */\r
-       inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);\r
-       sprintf(inFilename, "%s.game.in", appData.cmailGameName);\r
-\r
-       outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);\r
-       sprintf(outFilename, "%s.out", appData.cmailGameName);\r
-    }\r
-    \r
-    status = stat(outFilename, &outbuf);\r
-    if (status < 0) {\r
-       cmailMailedMove = FALSE;\r
-    } else {\r
-       status = stat(inFilename, &inbuf);\r
-       cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);\r
-    }\r
-    \r
-    /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE\r
-       counts the games, notes how each one terminated, etc.\r
-       \r
-       It would be nice to remove this kludge and instead gather all\r
-       the information while building the game list.  (And to keep it\r
-       in the game list nodes instead of having a bunch of fixed-size\r
-       parallel arrays.)  Note this will require getting each game's\r
-       termination from the PGN tags, as the game list builder does\r
-       not process the game moves.  --mann\r
-       */\r
-    cmailMsgLoaded = TRUE;\r
-    LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);\r
-    \r
-    /* Load first game in the file or popup game menu */\r
-    LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);\r
-\r
-#endif /* !WIN32 */\r
-    return;\r
-}\r
-\r
-int\r
-RegisterMove()\r
-{\r
-    FILE *f;\r
-    char string[MSG_SIZ];\r
-\r
-    if (   cmailMailedMove\r
-       || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {\r
-       return TRUE;            /* Allow free viewing  */\r
-    }\r
-\r
-    /* Unregister move to ensure that we don't leave RegisterMove        */\r
-    /* with the move registered when the conditions for registering no   */\r
-    /* longer hold                                                       */\r
-    if (cmailMoveRegistered[lastLoadGameNumber - 1]) {\r
-       cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;\r
-       nCmailMovesRegistered --;\r
-\r
-       if (cmailCommentList[lastLoadGameNumber - 1] != NULL) \r
-         {\r
-             free(cmailCommentList[lastLoadGameNumber - 1]);\r
-             cmailCommentList[lastLoadGameNumber - 1] = NULL;\r
-         }\r
-    }\r
-\r
-    if (cmailOldMove == -1) {\r
-       DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);\r
-       return FALSE;\r
-    }\r
-\r
-    if (currentMove > cmailOldMove + 1) {\r
-       DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);\r
-       return FALSE;\r
-    }\r
-\r
-    if (currentMove < cmailOldMove) {\r
-       DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);\r
-       return FALSE;\r
-    }\r
-\r
-    if (forwardMostMove > currentMove) {\r
-       /* Silently truncate extra moves */\r
-       TruncateGame();\r
-    }\r
-\r
-    if (   (currentMove == cmailOldMove + 1)\r
-       || (   (currentMove == cmailOldMove)\r
-           && (   (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)\r
-               || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {\r
-       if (gameInfo.result != GameUnfinished) {\r
-           cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;\r
-       }\r
-\r
-       if (commentList[currentMove] != NULL) {\r
-           cmailCommentList[lastLoadGameNumber - 1]\r
-             = StrSave(commentList[currentMove]);\r
-       }\r
-       strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);\r
-\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Saving %s for game %d\n",\r
-                 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);\r
-\r
-       sprintf(string,\r
-               "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);\r
-       \r
-       f = fopen(string, "w");\r
-       if (appData.oldSaveStyle) {\r
-           SaveGameOldStyle(f); /* also closes the file */\r
-           \r
-           sprintf(string, "%s.pos.out", appData.cmailGameName);\r
-           f = fopen(string, "w");\r
-           SavePosition(f, 0, NULL); /* also closes the file */\r
-       } else {\r
-           fprintf(f, "{--------------\n");\r
-           PrintPosition(f, currentMove);\r
-           fprintf(f, "--------------}\n\n");\r
-           \r
-           SaveGame(f, 0, NULL); /* also closes the file*/\r
-       }\r
-       \r
-       cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;\r
-       nCmailMovesRegistered ++;\r
-    } else if (nCmailGames == 1) {\r
-       DisplayError(_("You have not made a move yet"), 0);\r
-       return FALSE;\r
-    }\r
-\r
-    return TRUE;\r
-}\r
-\r
-void\r
-MailMoveEvent()\r
-{\r
-#if !WIN32\r
-    static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";\r
-    FILE *commandOutput;\r
-    char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];\r
-    int nBytes = 0;            /*  Suppress warnings on uninitialized variables    */\r
-    int nBuffers;\r
-    int i;\r
-    int archived;\r
-    char *arcDir;\r
-\r
-    if (! cmailMsgLoaded) {\r
-       DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);\r
-       return;\r
-    }\r
-\r
-    if (nCmailGames == nCmailResults) {\r
-       DisplayError(_("No unfinished games"), 0);\r
-       return;\r
-    }\r
-\r
-#if CMAIL_PROHIBIT_REMAIL\r
-    if (cmailMailedMove) {\r
-       sprintf(msg, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);\r
-       DisplayError(msg, 0);\r
-       return;\r
-    }\r
-#endif\r
-\r
-    if (! (cmailMailedMove || RegisterMove())) return;\r
-    \r
-    if (   cmailMailedMove\r
-       || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {\r
-       sprintf(string, partCommandString,\r
-               appData.debugMode ? " -v" : "", appData.cmailGameName);\r
-       commandOutput = popen(string, "r");\r
-\r
-       if (commandOutput == NULL) {\r
-           DisplayError(_("Failed to invoke cmail"), 0);\r
-       } else {\r
-           for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {\r
-               nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);\r
-           }\r
-           if (nBuffers > 1) {\r
-               (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);\r
-               (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);\r
-               nBytes = MSG_SIZ - 1;\r
-           } else {\r
-               (void) memcpy(msg, buffer, nBytes);\r
-           }\r
-           *(msg + nBytes) = '\0'; /* \0 for end-of-string*/\r
-\r
-           if(StrStr(msg, "Mailed cmail message to ") != NULL) {\r
-               cmailMailedMove = TRUE; /* Prevent >1 moves    */\r
-\r
-               archived = TRUE;\r
-               for (i = 0; i < nCmailGames; i ++) {\r
-                   if (cmailResult[i] == CMAIL_NOT_RESULT) {\r
-                       archived = FALSE;\r
-                   }\r
-               }\r
-               if (   archived\r
-                   && (   (arcDir = (char *) getenv("CMAIL_ARCDIR"))\r
-                       != NULL)) {\r
-                   sprintf(buffer, "%s/%s.%s.archive",\r
-                           arcDir,\r
-                           appData.cmailGameName,\r
-                           gameInfo.date);\r
-                   LoadGameFromFile(buffer, 1, buffer, FALSE);\r
-                   cmailMsgLoaded = FALSE;\r
-               }\r
-           }\r
-\r
-           DisplayInformation(msg);\r
-           pclose(commandOutput);\r
-       }\r
-    } else {\r
-       if ((*cmailMsg) != '\0') {\r
-           DisplayInformation(cmailMsg);\r
-       }\r
-    }\r
-\r
-    return;\r
-#endif /* !WIN32 */\r
-}\r
-\r
-char *\r
-CmailMsg()\r
-{\r
-#if WIN32\r
-    return NULL;\r
-#else\r
-    int  prependComma = 0;\r
-    char number[5];\r
-    char string[MSG_SIZ];      /* Space for game-list */\r
-    int  i;\r
-    \r
-    if (!cmailMsgLoaded) return "";\r
-\r
-    if (cmailMailedMove) {\r
-       sprintf(cmailMsg, _("Waiting for reply from opponent\n"));\r
-    } else {\r
-       /* Create a list of games left */\r
-       sprintf(string, "[");\r
-       for (i = 0; i < nCmailGames; i ++) {\r
-           if (! (   cmailMoveRegistered[i]\r
-                  || (cmailResult[i] == CMAIL_OLD_RESULT))) {\r
-               if (prependComma) {\r
-                   sprintf(number, ",%d", i + 1);\r
-               } else {\r
-                   sprintf(number, "%d", i + 1);\r
-                   prependComma = 1;\r
-               }\r
-               \r
-               strcat(string, number);\r
-           }\r
-       }\r
-       strcat(string, "]");\r
-\r
-       if (nCmailMovesRegistered + nCmailResults == 0) {\r
-           switch (nCmailGames) {\r
-             case 1:\r
-               sprintf(cmailMsg,\r
-                       _("Still need to make move for game\n"));\r
-               break;\r
-               \r
-             case 2:\r
-               sprintf(cmailMsg,\r
-                       _("Still need to make moves for both games\n"));\r
-               break;\r
-               \r
-             default:\r
-               sprintf(cmailMsg,\r
-                       _("Still need to make moves for all %d games\n"),\r
-                       nCmailGames);\r
-               break;\r
-           }\r
-       } else {\r
-           switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {\r
-             case 1:\r
-               sprintf(cmailMsg,\r
-                       _("Still need to make a move for game %s\n"),\r
-                       string);\r
-               break;\r
-               \r
-             case 0:\r
-               if (nCmailResults == nCmailGames) {\r
-                   sprintf(cmailMsg, _("No unfinished games\n"));\r
-               } else {\r
-                   sprintf(cmailMsg, _("Ready to send mail\n"));\r
-               }\r
-               break;\r
-               \r
-             default:\r
-               sprintf(cmailMsg,\r
-                       _("Still need to make moves for games %s\n"),\r
-                       string);\r
-           }\r
-       }\r
-    }\r
-    return cmailMsg;\r
-#endif /* WIN32 */\r
-}\r
-\r
-void\r
-ResetGameEvent()\r
-{\r
-    if (gameMode == Training)\r
-      SetTrainingModeOff();\r
-\r
-    Reset(TRUE, TRUE);\r
-    cmailMsgLoaded = FALSE;\r
-    if (appData.icsActive) {\r
-      SendToICS(ics_prefix);\r
-      SendToICS("refresh\n");\r
-    }\r
-}\r
-\r
-void\r
-ExitEvent(status)\r
-     int status;\r
-{\r
-    exiting++;\r
-    if (exiting > 2) {\r
-      /* Give up on clean exit */\r
-      exit(status);\r
-    }\r
-    if (exiting > 1) {\r
-      /* Keep trying for clean exit */\r
-      return;\r
-    }\r
-\r
-    if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);\r
-\r
-    if (telnetISR != NULL) {\r
-      RemoveInputSource(telnetISR);\r
-    }\r
-    if (icsPR != NoProc) {\r
-      DestroyChildProcess(icsPR, TRUE);\r
-    }\r
-#if 0\r
-    /* Save game if resource set and not already saved by GameEnds() */\r
-    if ((gameInfo.resultDetails == NULL || errorExitFlag )\r
-                             && forwardMostMove > 0) {\r
-      if (*appData.saveGameFile != NULLCHAR) {\r
-       SaveGameToFile(appData.saveGameFile, TRUE);\r
-      } else if (appData.autoSaveGames) {\r
-       AutoSaveGame();\r
-      }\r
-      if (*appData.savePositionFile != NULLCHAR) {\r
-       SavePositionToFile(appData.savePositionFile);\r
-      }\r
-    }\r
-    GameEnds((ChessMove) 0, NULL, GE_PLAYER);\r
-#else\r
-    /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */\r
-    GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);\r
-#endif\r
-    /* [HGM] crash: the above GameEnds() is a dud if another one was running */\r
-    /* make sure this other one finishes before killing it!                  */\r
-    if(endingGame) { int count = 0;\r
-        if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");\r
-        while(endingGame && count++ < 10) DoSleep(1);\r
-        if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");\r
-    }\r
-\r
-    /* Kill off chess programs */\r
-    if (first.pr != NoProc) {\r
-       ExitAnalyzeMode();\r
-        \r
-        DoSleep( appData.delayBeforeQuit );\r
-       SendToProgram("quit\n", &first);\r
-        DoSleep( appData.delayAfterQuit );\r
-       DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );\r
-    }\r
-    if (second.pr != NoProc) {\r
-        DoSleep( appData.delayBeforeQuit );\r
-       SendToProgram("quit\n", &second);\r
-        DoSleep( appData.delayAfterQuit );\r
-       DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );\r
-    }\r
-    if (first.isr != NULL) {\r
-       RemoveInputSource(first.isr);\r
-    }\r
-    if (second.isr != NULL) {\r
-       RemoveInputSource(second.isr);\r
-    }\r
-\r
-    ShutDownFrontEnd();\r
-    exit(status);\r
-}\r
-\r
-void\r
-PauseEvent()\r
-{\r
-    if (appData.debugMode)\r
-       fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);\r
-    if (pausing) {\r
-       pausing = FALSE;\r
-       ModeHighlight();\r
-       if (gameMode == MachinePlaysWhite ||\r
-           gameMode == MachinePlaysBlack) {\r
-           StartClocks();\r
-       } else {\r
-           DisplayBothClocks();\r
-       }\r
-       if (gameMode == PlayFromGameFile) {\r
-           if (appData.timeDelay >= 0) \r
-               AutoPlayGameLoop();\r
-       } else if (gameMode == IcsExamining && pauseExamInvalid) {\r
-           Reset(FALSE, TRUE);\r
-           SendToICS(ics_prefix);\r
-           SendToICS("refresh\n");\r
-       } else if (currentMove < forwardMostMove) {\r
-           ForwardInner(forwardMostMove);\r
-       }\r
-       pauseExamInvalid = FALSE;\r
-    } else {\r
-       switch (gameMode) {\r
-         default:\r
-           return;\r
-         case IcsExamining:\r
-           pauseExamForwardMostMove = forwardMostMove;\r
-           pauseExamInvalid = FALSE;\r
-           /* fall through */\r
-         case IcsObserving:\r
-         case IcsPlayingWhite:\r
-         case IcsPlayingBlack:\r
-           pausing = TRUE;\r
-           ModeHighlight();\r
-           return;\r
-         case PlayFromGameFile:\r
-           (void) StopLoadGameTimer();\r
-           pausing = TRUE;\r
-           ModeHighlight();\r
-           break;\r
-         case BeginningOfGame:\r
-           if (appData.icsActive) return;\r
-           /* else fall through */\r
-         case MachinePlaysWhite:\r
-         case MachinePlaysBlack:\r
-         case TwoMachinesPlay:\r
-           if (forwardMostMove == 0)\r
-             return;           /* don't pause if no one has moved */\r
-           if ((gameMode == MachinePlaysWhite &&\r
-                !WhiteOnMove(forwardMostMove)) ||\r
-               (gameMode == MachinePlaysBlack &&\r
-                WhiteOnMove(forwardMostMove))) {\r
-               StopClocks();\r
-           }\r
-           pausing = TRUE;\r
-           ModeHighlight();\r
-           break;\r
-       }\r
-    }\r
-}\r
-\r
-void\r
-EditCommentEvent()\r
-{\r
-    char title[MSG_SIZ];\r
-\r
-    if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {\r
-       strcpy(title, _("Edit comment"));\r
-    } else {\r
-       sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,\r
-               WhiteOnMove(currentMove - 1) ? " " : ".. ",\r
-               parseList[currentMove - 1]);\r
-    }\r
-\r
-    EditCommentPopUp(currentMove, title, commentList[currentMove]);\r
-}\r
-\r
-\r
-void\r
-EditTagsEvent()\r
-{\r
-    char *tags = PGNTags(&gameInfo);\r
-    EditTagsPopUp(tags);\r
-    free(tags);\r
-}\r
-\r
-void\r
-AnalyzeModeEvent()\r
-{\r
-    if (appData.noChessProgram || gameMode == AnalyzeMode)\r
-      return;\r
-\r
-    if (gameMode != AnalyzeFile) {\r
-        if (!appData.icsEngineAnalyze) {\r
-               EditGameEvent();\r
-               if (gameMode != EditGame) return;\r
-        }\r
-       ResurrectChessProgram();\r
-       SendToProgram("analyze\n", &first);\r
-       first.analyzing = TRUE;\r
-       /*first.maybeThinking = TRUE;*/\r
-       first.maybeThinking = FALSE; /* avoid killing GNU Chess */\r
-       AnalysisPopUp(_("Analysis"),\r
-                     _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));\r
-    }\r
-    if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;\r
-    pausing = FALSE;\r
-    ModeHighlight();\r
-    SetGameInfo();\r
-\r
-    StartAnalysisClock();\r
-    GetTimeMark(&lastNodeCountTime);\r
-    lastNodeCount = 0;\r
-}\r
-\r
-void\r
-AnalyzeFileEvent()\r
-{\r
-    if (appData.noChessProgram || gameMode == AnalyzeFile)\r
-      return;\r
-\r
-    if (gameMode != AnalyzeMode) {\r
-       EditGameEvent();\r
-       if (gameMode != EditGame) return;\r
-       ResurrectChessProgram();\r
-       SendToProgram("analyze\n", &first);\r
-       first.analyzing = TRUE;\r
-       /*first.maybeThinking = TRUE;*/\r
-       first.maybeThinking = FALSE; /* avoid killing GNU Chess */\r
-       AnalysisPopUp(_("Analysis"),\r
-                     _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));\r
-    }\r
-    gameMode = AnalyzeFile;\r
-    pausing = FALSE;\r
-    ModeHighlight();\r
-    SetGameInfo();\r
-\r
-    StartAnalysisClock();\r
-    GetTimeMark(&lastNodeCountTime);\r
-    lastNodeCount = 0;\r
-}\r
-\r
-void\r
-MachineWhiteEvent()\r
-{\r
-    char buf[MSG_SIZ];\r
-    char *bookHit = NULL;\r
-\r
-    if (appData.noChessProgram || (gameMode == MachinePlaysWhite))\r
-      return;\r
-\r
-\r
-    if (gameMode == PlayFromGameFile || \r
-       gameMode == TwoMachinesPlay  || \r
-       gameMode == Training         || \r
-       gameMode == AnalyzeMode      || \r
-       gameMode == EndOfGame)\r
-       EditGameEvent();\r
-\r
-    if (gameMode == EditPosition) \r
-        EditPositionDone();\r
-\r
-    if (!WhiteOnMove(currentMove)) {\r
-       DisplayError(_("It is not White's turn"), 0);\r
-       return;\r
-    }\r
-  \r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)\r
-      ExitAnalyzeMode();\r
-\r
-    if (gameMode == EditGame || gameMode == AnalyzeMode || \r
-       gameMode == AnalyzeFile)\r
-       TruncateGame();\r
-\r
-    ResurrectChessProgram();   /* in case it isn't running */\r
-    if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */\r
-       gameMode = MachinePlaysWhite;\r
-       ResetClocks();\r
-    } else\r
-    gameMode = MachinePlaysWhite;\r
-    pausing = FALSE;\r
-    ModeHighlight();\r
-    SetGameInfo();\r
-    sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);\r
-    DisplayTitle(buf);\r
-    if (first.sendName) {\r
-      sprintf(buf, "name %s\n", gameInfo.black);\r
-      SendToProgram(buf, &first);\r
-    }\r
-    if (first.sendTime) {\r
-      if (first.useColors) {\r
-       SendToProgram("black\n", &first); /*gnu kludge*/\r
-      }\r
-      SendTimeRemaining(&first, TRUE);\r
-    }\r
-    if (first.useColors) {\r
-      SendToProgram("white\n", &first); // [HGM] book: send 'go' separately\r
-    }\r
-    bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move\r
-    SetMachineThinkingEnables();\r
-    first.maybeThinking = TRUE;\r
-    StartClocks();\r
-\r
-    if (appData.autoFlipView && !flipView) {\r
-      flipView = !flipView;\r
-      DrawPosition(FALSE, NULL);\r
-      DisplayBothClocks();       // [HGM] logo: clocks might have to be exchanged;\r
-    }\r
-\r
-    if(bookHit) { // [HGM] book: simulate book reply\r
-       static char bookMove[MSG_SIZ]; // a bit generous?\r
-\r
-       programStats.nodes = programStats.depth = programStats.time = \r
-       programStats.score = programStats.got_only_move = 0;\r
-       sprintf(programStats.movelist, "%s (xbook)", bookHit);\r
-\r
-       strcpy(bookMove, "move ");\r
-       strcat(bookMove, bookHit);\r
-       HandleMachineMove(bookMove, &first);\r
-    }\r
-}\r
-\r
-void\r
-MachineBlackEvent()\r
-{\r
-    char buf[MSG_SIZ];\r
-   char *bookHit = NULL;\r
-\r
-    if (appData.noChessProgram || (gameMode == MachinePlaysBlack))\r
-       return;\r
-\r
-\r
-    if (gameMode == PlayFromGameFile || \r
-       gameMode == TwoMachinesPlay  || \r
-       gameMode == Training         || \r
-       gameMode == AnalyzeMode      || \r
-       gameMode == EndOfGame)\r
-        EditGameEvent();\r
-\r
-    if (gameMode == EditPosition) \r
-        EditPositionDone();\r
-\r
-    if (WhiteOnMove(currentMove)) {\r
-       DisplayError(_("It is not Black's turn"), 0);\r
-       return;\r
-    }\r
-    \r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)\r
-      ExitAnalyzeMode();\r
-\r
-    if (gameMode == EditGame || gameMode == AnalyzeMode || \r
-       gameMode == AnalyzeFile)\r
-       TruncateGame();\r
-\r
-    ResurrectChessProgram();   /* in case it isn't running */\r
-    gameMode = MachinePlaysBlack;\r
-    pausing = FALSE;\r
-    ModeHighlight();\r
-    SetGameInfo();\r
-    sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);\r
-    DisplayTitle(buf);\r
-    if (first.sendName) {\r
-      sprintf(buf, "name %s\n", gameInfo.white);\r
-      SendToProgram(buf, &first);\r
-    }\r
-    if (first.sendTime) {\r
-      if (first.useColors) {\r
-       SendToProgram("white\n", &first); /*gnu kludge*/\r
-      }\r
-      SendTimeRemaining(&first, FALSE);\r
-    }\r
-    if (first.useColors) {\r
-      SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately\r
-    }\r
-    bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move\r
-    SetMachineThinkingEnables();\r
-    first.maybeThinking = TRUE;\r
-    StartClocks();\r
-\r
-    if (appData.autoFlipView && flipView) {\r
-      flipView = !flipView;\r
-      DrawPosition(FALSE, NULL);\r
-      DisplayBothClocks();       // [HGM] logo: clocks might have to be exchanged;\r
-    }\r
-    if(bookHit) { // [HGM] book: simulate book reply\r
-       static char bookMove[MSG_SIZ]; // a bit generous?\r
-\r
-       programStats.nodes = programStats.depth = programStats.time = \r
-       programStats.score = programStats.got_only_move = 0;\r
-       sprintf(programStats.movelist, "%s (xbook)", bookHit);\r
-\r
-       strcpy(bookMove, "move ");\r
-       strcat(bookMove, bookHit);\r
-       HandleMachineMove(bookMove, &first);\r
-    }\r
-}\r
-\r
-\r
-void\r
-DisplayTwoMachinesTitle()\r
-{\r
-    char buf[MSG_SIZ];\r
-    if (appData.matchGames > 0) {\r
-        if (first.twoMachinesColor[0] == 'w') {\r
-           sprintf(buf, "%s vs. %s (%d-%d-%d)",\r
-                   gameInfo.white, gameInfo.black,\r
-                   first.matchWins, second.matchWins,\r
-                   matchGame - 1 - (first.matchWins + second.matchWins));\r
-       } else {\r
-           sprintf(buf, "%s vs. %s (%d-%d-%d)",\r
-                   gameInfo.white, gameInfo.black,\r
-                   second.matchWins, first.matchWins,\r
-                   matchGame - 1 - (first.matchWins + second.matchWins));\r
-       }\r
-    } else {\r
-       sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);\r
-    }\r
-    DisplayTitle(buf);\r
-}\r
-\r
-void\r
-TwoMachinesEvent P((void))\r
-{\r
-    int i;\r
-    char buf[MSG_SIZ];\r
-    ChessProgramState *onmove;\r
-    char *bookHit = NULL;\r
-    \r
-    if (appData.noChessProgram) return;\r
-\r
-    switch (gameMode) {\r
-      case TwoMachinesPlay:\r
-       return;\r
-      case MachinePlaysWhite:\r
-      case MachinePlaysBlack:\r
-       if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {\r
-           DisplayError(_("Wait until your turn,\nor select Move Now"), 0);\r
-           return;\r
-       }\r
-       /* fall through */\r
-      case BeginningOfGame:\r
-      case PlayFromGameFile:\r
-      case EndOfGame:\r
-       EditGameEvent();\r
-       if (gameMode != EditGame) return;\r
-       break;\r
-      case EditPosition:\r
-       EditPositionDone();\r
-       break;\r
-      case AnalyzeMode:\r
-      case AnalyzeFile:\r
-       ExitAnalyzeMode();\r
-       break;\r
-      case EditGame:\r
-      default:\r
-       break;\r
-    }\r
-\r
-    forwardMostMove = currentMove;\r
-    ResurrectChessProgram();   /* in case first program isn't running */\r
-\r
-    if (second.pr == NULL) {\r
-       StartChessProgram(&second);\r
-       if (second.protocolVersion == 1) {\r
-         TwoMachinesEventIfReady();\r
-       } else {\r
-         /* kludge: allow timeout for initial "feature" command */\r
-         FreezeUI();\r
-         DisplayMessage("", _("Starting second chess program"));\r
-         ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);\r
-       }\r
-       return;\r
-    }\r
-    DisplayMessage("", "");\r
-    InitChessProgram(&second, FALSE);\r
-    SendToProgram("force\n", &second);\r
-    if (startedFromSetupPosition) {\r
-       SendBoard(&second, backwardMostMove);\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "Two Machines\n");\r
-    }\r
-    }\r
-    for (i = backwardMostMove; i < forwardMostMove; i++) {\r
-       SendMoveToProgram(i, &second);\r
-    }\r
-\r
-    gameMode = TwoMachinesPlay;\r
-    pausing = FALSE;\r
-    ModeHighlight();\r
-    SetGameInfo();\r
-    DisplayTwoMachinesTitle();\r
-    firstMove = TRUE;\r
-    if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {\r
-       onmove = &first;\r
-    } else {\r
-       onmove = &second;\r
-    }\r
-\r
-    SendToProgram(first.computerString, &first);\r
-    if (first.sendName) {\r
-      sprintf(buf, "name %s\n", second.tidy);\r
-      SendToProgram(buf, &first);\r
-    }\r
-    SendToProgram(second.computerString, &second);\r
-    if (second.sendName) {\r
-      sprintf(buf, "name %s\n", first.tidy);\r
-      SendToProgram(buf, &second);\r
-    }\r
-\r
-    ResetClocks();\r
-    if (!first.sendTime || !second.sendTime) {\r
-       timeRemaining[0][forwardMostMove] = whiteTimeRemaining;\r
-       timeRemaining[1][forwardMostMove] = blackTimeRemaining;\r
-    }\r
-    if (onmove->sendTime) {\r
-      if (onmove->useColors) {\r
-       SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/\r
-      }\r
-      SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));\r
-    }\r
-    if (onmove->useColors) {\r
-      SendToProgram(onmove->twoMachinesColor, onmove);\r
-    }\r
-    bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move\r
-//    SendToProgram("go\n", onmove);\r
-    onmove->maybeThinking = TRUE;\r
-    SetMachineThinkingEnables();\r
-\r
-    StartClocks();\r
-\r
-    if(bookHit) { // [HGM] book: simulate book reply\r
-       static char bookMove[MSG_SIZ]; // a bit generous?\r
-\r
-       programStats.nodes = programStats.depth = programStats.time = \r
-       programStats.score = programStats.got_only_move = 0;\r
-       sprintf(programStats.movelist, "%s (xbook)", bookHit);\r
-\r
-       strcpy(bookMove, "move ");\r
-       strcat(bookMove, bookHit);\r
-       HandleMachineMove(bookMove, &first);\r
-    }\r
-}\r
-\r
-void\r
-TrainingEvent()\r
-{\r
-    if (gameMode == Training) {\r
-      SetTrainingModeOff();\r
-      gameMode = PlayFromGameFile;\r
-      DisplayMessage("", _("Training mode off"));\r
-    } else {\r
-      gameMode = Training;\r
-      animateTraining = appData.animate;\r
-\r
-      /* make sure we are not already at the end of the game */\r
-      if (currentMove < forwardMostMove) {\r
-       SetTrainingModeOn();\r
-       DisplayMessage("", _("Training mode on"));\r
-      } else {\r
-       gameMode = PlayFromGameFile;\r
-       DisplayError(_("Already at end of game"), 0);\r
-      }\r
-    }\r
-    ModeHighlight();\r
-}\r
-\r
-void\r
-IcsClientEvent()\r
-{\r
-    if (!appData.icsActive) return;\r
-    switch (gameMode) {\r
-      case IcsPlayingWhite:\r
-      case IcsPlayingBlack:\r
-      case IcsObserving:\r
-      case IcsIdle:\r
-      case BeginningOfGame:\r
-      case IcsExamining:\r
-       return;\r
-\r
-      case EditGame:\r
-       break;\r
-\r
-      case EditPosition:\r
-       EditPositionDone();\r
-       break;\r
-\r
-      case AnalyzeMode:\r
-      case AnalyzeFile:\r
-       ExitAnalyzeMode();\r
-       break;\r
-       \r
-      default:\r
-       EditGameEvent();\r
-       break;\r
-    }\r
-\r
-    gameMode = IcsIdle;\r
-    ModeHighlight();\r
-    return;\r
-}\r
-\r
-\r
-void\r
-EditGameEvent()\r
-{\r
-    int i;\r
-\r
-    switch (gameMode) {\r
-      case Training:\r
-       SetTrainingModeOff();\r
-       break;\r
-      case MachinePlaysWhite:\r
-      case MachinePlaysBlack:\r
-      case BeginningOfGame:\r
-       SendToProgram("force\n", &first);\r
-       SetUserThinkingEnables();\r
-       break;\r
-      case PlayFromGameFile:\r
-       (void) StopLoadGameTimer();\r
-       if (gameFileFP != NULL) {\r
-           gameFileFP = NULL;\r
-       }\r
-       break;\r
-      case EditPosition:\r
-       EditPositionDone();\r
-       break;\r
-      case AnalyzeMode:\r
-      case AnalyzeFile:\r
-       ExitAnalyzeMode();\r
-       SendToProgram("force\n", &first);\r
-       break;\r
-      case TwoMachinesPlay:\r
-       GameEnds((ChessMove) 0, NULL, GE_PLAYER);\r
-       ResurrectChessProgram();\r
-       SetUserThinkingEnables();\r
-       break;\r
-      case EndOfGame:\r
-       ResurrectChessProgram();\r
-       break;\r
-      case IcsPlayingBlack:\r
-      case IcsPlayingWhite:\r
-       DisplayError(_("Warning: You are still playing a game"), 0);\r
-       break;\r
-      case IcsObserving:\r
-       DisplayError(_("Warning: You are still observing a game"), 0);\r
-       break;\r
-      case IcsExamining:\r
-       DisplayError(_("Warning: You are still examining a game"), 0);\r
-       break;\r
-      case IcsIdle:\r
-       break;\r
-      case EditGame:\r
-      default:\r
-       return;\r
-    }\r
-    \r
-    pausing = FALSE;\r
-    StopClocks();\r
-    first.offeredDraw = second.offeredDraw = 0;\r
-\r
-    if (gameMode == PlayFromGameFile) {\r
-       whiteTimeRemaining = timeRemaining[0][currentMove];\r
-       blackTimeRemaining = timeRemaining[1][currentMove];\r
-       DisplayTitle("");\r
-    }\r
-\r
-    if (gameMode == MachinePlaysWhite ||\r
-       gameMode == MachinePlaysBlack ||\r
-       gameMode == TwoMachinesPlay ||\r
-       gameMode == EndOfGame) {\r
-       i = forwardMostMove;\r
-       while (i > currentMove) {\r
-           SendToProgram("undo\n", &first);\r
-           i--;\r
-       }\r
-       whiteTimeRemaining = timeRemaining[0][currentMove];\r
-       blackTimeRemaining = timeRemaining[1][currentMove];\r
-       DisplayBothClocks();\r
-       if (whiteFlag || blackFlag) {\r
-           whiteFlag = blackFlag = 0;\r
-       }\r
-       DisplayTitle("");\r
-    }          \r
-    \r
-    gameMode = EditGame;\r
-    ModeHighlight();\r
-    SetGameInfo();\r
-}\r
-\r
-\r
-void\r
-EditPositionEvent()\r
-{\r
-    if (gameMode == EditPosition) {\r
-       EditGameEvent();\r
-       return;\r
-    }\r
-    \r
-    EditGameEvent();\r
-    if (gameMode != EditGame) return;\r
-    \r
-    gameMode = EditPosition;\r
-    ModeHighlight();\r
-    SetGameInfo();\r
-    if (currentMove > 0)\r
-      CopyBoard(boards[0], boards[currentMove]);\r
-    \r
-    blackPlaysFirst = !WhiteOnMove(currentMove);\r
-    ResetClocks();\r
-    currentMove = forwardMostMove = backwardMostMove = 0;\r
-    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);\r
-    DisplayMove(-1);\r
-}\r
-\r
-void\r
-ExitAnalyzeMode()\r
-{\r
-    /* [DM] icsEngineAnalyze - possible call from other functions */\r
-    if (appData.icsEngineAnalyze) {\r
-        appData.icsEngineAnalyze = FALSE;\r
-\r
-        DisplayMessage("",_("Close ICS engine analyze..."));\r
-    }\r
-    if (first.analysisSupport && first.analyzing) {\r
-      SendToProgram("exit\n", &first);\r
-      first.analyzing = FALSE;\r
-    }\r
-    AnalysisPopDown();\r
-    thinkOutput[0] = NULLCHAR;\r
-}\r
-\r
-void\r
-EditPositionDone()\r
-{\r
-    startedFromSetupPosition = TRUE;\r
-    InitChessProgram(&first, FALSE);\r
-    SendToProgram("force\n", &first);\r
-    if (blackPlaysFirst) {\r
-       strcpy(moveList[0], "");\r
-       strcpy(parseList[0], "");\r
-       currentMove = forwardMostMove = backwardMostMove = 1;\r
-       CopyBoard(boards[1], boards[0]);\r
-       /* [HGM] copy rights as well, as this code is also used after pasting a FEN */\r
-       { int i;\r
-         epStatus[1] = epStatus[0];\r
-         for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];\r
-       }\r
-    } else {\r
-       currentMove = forwardMostMove = backwardMostMove = 0;\r
-    }\r
-    SendBoard(&first, forwardMostMove);\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "EditPosDone\n");\r
-    }\r
-    DisplayTitle("");\r
-    timeRemaining[0][forwardMostMove] = whiteTimeRemaining;\r
-    timeRemaining[1][forwardMostMove] = blackTimeRemaining;\r
-    gameMode = EditGame;\r
-    ModeHighlight();\r
-    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);\r
-    ClearHighlights(); /* [AS] */\r
-}\r
-\r
-/* Pause for `ms' milliseconds */\r
-/* !! Ugh, this is a kludge. Fix it sometime. --tpm */\r
-void\r
-TimeDelay(ms)\r
-     long ms;\r
-{\r
-    TimeMark m1, m2;\r
-\r
-    GetTimeMark(&m1);\r
-    do {\r
-       GetTimeMark(&m2);\r
-    } while (SubtractTimeMarks(&m2, &m1) < ms);\r
-}\r
-\r
-/* !! Ugh, this is a kludge. Fix it sometime. --tpm */\r
-void\r
-SendMultiLineToICS(buf)\r
-     char *buf;\r
-{\r
-    char temp[MSG_SIZ+1], *p;\r
-    int len;\r
-\r
-    len = strlen(buf);\r
-    if (len > MSG_SIZ)\r
-      len = MSG_SIZ;\r
-  \r
-    strncpy(temp, buf, len);\r
-    temp[len] = 0;\r
-\r
-    p = temp;\r
-    while (*p) {\r
-       if (*p == '\n' || *p == '\r')\r
-         *p = ' ';\r
-       ++p;\r
-    }\r
-\r
-    strcat(temp, "\n");\r
-    SendToICS(temp);\r
-    SendToPlayer(temp, strlen(temp));\r
-}\r
-\r
-void\r
-SetWhiteToPlayEvent()\r
-{\r
-    if (gameMode == EditPosition) {\r
-       blackPlaysFirst = FALSE;\r
-       DisplayBothClocks();    /* works because currentMove is 0 */\r
-    } else if (gameMode == IcsExamining) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("tomove white\n");\r
-    }\r
-}\r
-\r
-void\r
-SetBlackToPlayEvent()\r
-{\r
-    if (gameMode == EditPosition) {\r
-       blackPlaysFirst = TRUE;\r
-       currentMove = 1;        /* kludge */\r
-       DisplayBothClocks();\r
-       currentMove = 0;\r
-    } else if (gameMode == IcsExamining) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("tomove black\n");\r
-    }\r
-}\r
-\r
-void\r
-EditPositionMenuEvent(selection, x, y)\r
-     ChessSquare selection;\r
-     int x, y;\r
-{\r
-    char buf[MSG_SIZ];\r
-    ChessSquare piece = boards[0][y][x];\r
-\r
-    if (gameMode != EditPosition && gameMode != IcsExamining) return;\r
-\r
-    switch (selection) {\r
-      case ClearBoard:\r
-       if (gameMode == IcsExamining && ics_type == ICS_FICS) {\r
-           SendToICS(ics_prefix);\r
-           SendToICS("bsetup clear\n");\r
-       } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {\r
-           SendToICS(ics_prefix);\r
-           SendToICS("clearboard\n");\r
-       } else {\r
-            for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;\r
-               if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */\r
-                for (y = 0; y < BOARD_HEIGHT; y++) {\r
-                   if (gameMode == IcsExamining) {\r
-                       if (boards[currentMove][y][x] != EmptySquare) {\r
-                           sprintf(buf, "%sx@%c%c\n", ics_prefix,\r
-                                    AAA + x, ONE + y);\r
-                           SendToICS(buf);\r
-                       }\r
-                   } else {\r
-                       boards[0][y][x] = p;\r
-                   }\r
-               }\r
-           }\r
-       }\r
-       if (gameMode == EditPosition) {\r
-           DrawPosition(FALSE, boards[0]);\r
-       }\r
-       break;\r
-\r
-      case WhitePlay:\r
-       SetWhiteToPlayEvent();\r
-       break;\r
-\r
-      case BlackPlay:\r
-       SetBlackToPlayEvent();\r
-       break;\r
-\r
-      case EmptySquare:\r
-       if (gameMode == IcsExamining) {\r
-            sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);\r
-           SendToICS(buf);\r
-       } else {\r
-           boards[0][y][x] = EmptySquare;\r
-           DrawPosition(FALSE, boards[0]);\r
-       }\r
-       break;\r
-\r
-      case PromotePiece:\r
-        if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||\r
-           piece >= (int)BlackPawn && piece < (int)BlackMan   ) {\r
-            selection = (ChessSquare) (PROMOTED piece);\r
-        } else if(piece == EmptySquare) selection = WhiteSilver;\r
-        else selection = (ChessSquare)((int)piece - 1);\r
-        goto defaultlabel;\r
-\r
-      case DemotePiece:\r
-        if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||\r
-           piece > (int)BlackMan && piece <= (int)BlackKing   ) {\r
-            selection = (ChessSquare) (DEMOTED piece);\r
-        } else if(piece == EmptySquare) selection = BlackSilver;\r
-        else selection = (ChessSquare)((int)piece + 1);       \r
-        goto defaultlabel;\r
-\r
-      case WhiteQueen:\r
-      case BlackQueen:\r
-        if(gameInfo.variant == VariantShatranj ||\r
-           gameInfo.variant == VariantXiangqi  ||\r
-           gameInfo.variant == VariantCourier    )\r
-            selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);\r
-        goto defaultlabel;\r
-\r
-      case WhiteKing:\r
-      case BlackKing:\r
-        if(gameInfo.variant == VariantXiangqi)\r
-            selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);\r
-        if(gameInfo.variant == VariantKnightmate)\r
-            selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);\r
-      default:\r
-        defaultlabel:\r
-       if (gameMode == IcsExamining) {\r
-           sprintf(buf, "%s%c@%c%c\n", ics_prefix,\r
-                    PieceToChar(selection), AAA + x, ONE + y);\r
-           SendToICS(buf);\r
-       } else {\r
-           boards[0][y][x] = selection;\r
-           DrawPosition(FALSE, boards[0]);\r
-       }\r
-       break;\r
-    }\r
-}\r
-\r
-\r
-void\r
-DropMenuEvent(selection, x, y)\r
-     ChessSquare selection;\r
-     int x, y;\r
-{\r
-    ChessMove moveType;\r
-\r
-    switch (gameMode) {\r
-      case IcsPlayingWhite:\r
-      case MachinePlaysBlack:\r
-       if (!WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is Black's turn"));\r
-           return;\r
-       }\r
-       moveType = WhiteDrop;\r
-       break;\r
-      case IcsPlayingBlack:\r
-      case MachinePlaysWhite:\r
-       if (WhiteOnMove(currentMove)) {\r
-           DisplayMoveError(_("It is White's turn"));\r
-           return;\r
-       }\r
-       moveType = BlackDrop;\r
-       break;\r
-      case EditGame:\r
-       moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;\r
-       break;\r
-      default:\r
-       return;\r
-    }\r
-\r
-    if (moveType == BlackDrop && selection < BlackPawn) {\r
-      selection = (ChessSquare) ((int) selection\r
-                                + (int) BlackPawn - (int) WhitePawn);\r
-    }\r
-    if (boards[currentMove][y][x] != EmptySquare) {\r
-       DisplayMoveError(_("That square is occupied"));\r
-       return;\r
-    }\r
-\r
-    FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);\r
-}\r
-\r
-void\r
-AcceptEvent()\r
-{\r
-    /* Accept a pending offer of any kind from opponent */\r
-    \r
-    if (appData.icsActive) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("accept\n");\r
-    } else if (cmailMsgLoaded) {\r
-       if (currentMove == cmailOldMove &&\r
-           commentList[cmailOldMove] != NULL &&\r
-           StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?\r
-                  "Black offers a draw" : "White offers a draw")) {\r
-           TruncateGame();\r
-           GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);\r
-           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;\r
-       } else {\r
-           DisplayError(_("There is no pending offer on this move"), 0);\r
-           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;\r
-       }\r
-    } else {\r
-       /* Not used for offers from chess program */\r
-    }\r
-}\r
-\r
-void\r
-DeclineEvent()\r
-{\r
-    /* Decline a pending offer of any kind from opponent */\r
-    \r
-    if (appData.icsActive) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("decline\n");\r
-    } else if (cmailMsgLoaded) {\r
-       if (currentMove == cmailOldMove &&\r
-           commentList[cmailOldMove] != NULL &&\r
-           StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?\r
-                  "Black offers a draw" : "White offers a draw")) {\r
-#ifdef NOTDEF\r
-           AppendComment(cmailOldMove, "Draw declined");\r
-           DisplayComment(cmailOldMove - 1, "Draw declined");\r
-#endif /*NOTDEF*/\r
-       } else {\r
-           DisplayError(_("There is no pending offer on this move"), 0);\r
-       }\r
-    } else {\r
-       /* Not used for offers from chess program */\r
-    }\r
-}\r
-\r
-void\r
-RematchEvent()\r
-{\r
-    /* Issue ICS rematch command */\r
-    if (appData.icsActive) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("rematch\n");\r
-    }\r
-}\r
-\r
-void\r
-CallFlagEvent()\r
-{\r
-    /* Call your opponent's flag (claim a win on time) */\r
-    if (appData.icsActive) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("flag\n");\r
-    } else {\r
-       switch (gameMode) {\r
-         default:\r
-           return;\r
-         case MachinePlaysWhite:\r
-           if (whiteFlag) {\r
-               if (blackFlag)\r
-                 GameEnds(GameIsDrawn, "Both players ran out of time",\r
-                          GE_PLAYER);\r
-               else\r
-                 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);\r
-           } else {\r
-               DisplayError(_("Your opponent is not out of time"), 0);\r
-           }\r
-           break;\r
-         case MachinePlaysBlack:\r
-           if (blackFlag) {\r
-               if (whiteFlag)\r
-                 GameEnds(GameIsDrawn, "Both players ran out of time",\r
-                          GE_PLAYER);\r
-               else\r
-                 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);\r
-           } else {\r
-               DisplayError(_("Your opponent is not out of time"), 0);\r
-           }\r
-           break;\r
-       }\r
-    }\r
-}\r
-\r
-void\r
-DrawEvent()\r
-{\r
-    /* Offer draw or accept pending draw offer from opponent */\r
-    \r
-    if (appData.icsActive) {\r
-       /* Note: tournament rules require draw offers to be\r
-          made after you make your move but before you punch\r
-          your clock.  Currently ICS doesn't let you do that;\r
-          instead, you immediately punch your clock after making\r
-          a move, but you can offer a draw at any time. */\r
-       \r
-        SendToICS(ics_prefix);\r
-       SendToICS("draw\n");\r
-    } else if (cmailMsgLoaded) {\r
-       if (currentMove == cmailOldMove &&\r
-           commentList[cmailOldMove] != NULL &&\r
-           StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?\r
-                  "Black offers a draw" : "White offers a draw")) {\r
-           GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);\r
-           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;\r
-       } else if (currentMove == cmailOldMove + 1) {\r
-           char *offer = WhiteOnMove(cmailOldMove) ?\r
-             "White offers a draw" : "Black offers a draw";\r
-           AppendComment(currentMove, offer);\r
-           DisplayComment(currentMove - 1, offer);\r
-           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;\r
-       } else {\r
-           DisplayError(_("You must make your move before offering a draw"), 0);\r
-           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;\r
-       }\r
-    } else if (first.offeredDraw) {\r
-       GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);\r
-    } else {\r
-        if (first.sendDrawOffers) {\r
-           SendToProgram("draw\n", &first);\r
-            userOfferedDraw = TRUE;\r
-       }\r
-    }\r
-}\r
-\r
-void\r
-AdjournEvent()\r
-{\r
-    /* Offer Adjourn or accept pending Adjourn offer from opponent */\r
-    \r
-    if (appData.icsActive) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("adjourn\n");\r
-    } else {\r
-       /* Currently GNU Chess doesn't offer or accept Adjourns */\r
-    }\r
-}\r
-\r
-\r
-void\r
-AbortEvent()\r
-{\r
-    /* Offer Abort or accept pending Abort offer from opponent */\r
-    \r
-    if (appData.icsActive) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("abort\n");\r
-    } else {\r
-       GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);\r
-    }\r
-}\r
-\r
-void\r
-ResignEvent()\r
-{\r
-    /* Resign.  You can do this even if it's not your turn. */\r
-    \r
-    if (appData.icsActive) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("resign\n");\r
-    } else {\r
-       switch (gameMode) {\r
-         case MachinePlaysWhite:\r
-           GameEnds(WhiteWins, "Black resigns", GE_PLAYER);\r
-           break;\r
-         case MachinePlaysBlack:\r
-           GameEnds(BlackWins, "White resigns", GE_PLAYER);\r
-           break;\r
-         case EditGame:\r
-           if (cmailMsgLoaded) {\r
-               TruncateGame();\r
-               if (WhiteOnMove(cmailOldMove)) {\r
-                   GameEnds(BlackWins, "White resigns", GE_PLAYER);\r
-               } else {\r
-                   GameEnds(WhiteWins, "Black resigns", GE_PLAYER);\r
-               }\r
-               cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;\r
-           }\r
-           break;\r
-         default:\r
-           break;\r
-       }\r
-    }\r
-}\r
-\r
-\r
-void\r
-StopObservingEvent()\r
-{\r
-    /* Stop observing current games */\r
-    SendToICS(ics_prefix);\r
-    SendToICS("unobserve\n");\r
-}\r
-\r
-void\r
-StopExaminingEvent()\r
-{\r
-    /* Stop observing current game */\r
-    SendToICS(ics_prefix);\r
-    SendToICS("unexamine\n");\r
-}\r
-\r
-void\r
-ForwardInner(target)\r
-     int target;\r
-{\r
-    int limit;\r
-\r
-    if (appData.debugMode)\r
-       fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",\r
-               target, currentMove, forwardMostMove);\r
-\r
-    if (gameMode == EditPosition)\r
-      return;\r
-\r
-    if (gameMode == PlayFromGameFile && !pausing)\r
-      PauseEvent();\r
-    \r
-    if (gameMode == IcsExamining && pausing)\r
-      limit = pauseExamForwardMostMove;\r
-    else\r
-      limit = forwardMostMove;\r
-    \r
-    if (target > limit) target = limit;\r
-\r
-    if (target > 0 && moveList[target - 1][0]) {\r
-       int fromX, fromY, toX, toY;\r
-        toX = moveList[target - 1][2] - AAA;\r
-        toY = moveList[target - 1][3] - ONE;\r
-       if (moveList[target - 1][1] == '@') {\r
-           if (appData.highlightLastMove) {\r
-               SetHighlights(-1, -1, toX, toY);\r
-           }\r
-       } else {\r
-            fromX = moveList[target - 1][0] - AAA;\r
-            fromY = moveList[target - 1][1] - ONE;\r
-           if (target == currentMove + 1) {\r
-               AnimateMove(boards[currentMove], fromX, fromY, toX, toY);\r
-           }\r
-           if (appData.highlightLastMove) {\r
-               SetHighlights(fromX, fromY, toX, toY);\r
-           }\r
-       }\r
-    }\r
-    if (gameMode == EditGame || gameMode == AnalyzeMode || \r
-       gameMode == Training || gameMode == PlayFromGameFile || \r
-       gameMode == AnalyzeFile) {\r
-       while (currentMove < target) {\r
-           SendMoveToProgram(currentMove++, &first);\r
-       }\r
-    } else {\r
-       currentMove = target;\r
-    }\r
-    \r
-    if (gameMode == EditGame || gameMode == EndOfGame) {\r
-       whiteTimeRemaining = timeRemaining[0][currentMove];\r
-       blackTimeRemaining = timeRemaining[1][currentMove];\r
-    }\r
-    DisplayBothClocks();\r
-    DisplayMove(currentMove - 1);\r
-    DrawPosition(FALSE, boards[currentMove]);\r
-    HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);\r
-    if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty\r
-       DisplayComment(currentMove - 1, commentList[currentMove]);\r
-    }\r
-}\r
-\r
-\r
-void\r
-ForwardEvent()\r
-{\r
-    if (gameMode == IcsExamining && !pausing) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("forward\n");\r
-    } else {\r
-       ForwardInner(currentMove + 1);\r
-    }\r
-}\r
-\r
-void\r
-ToEndEvent()\r
-{\r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {\r
-       /* to optimze, we temporarily turn off analysis mode while we feed\r
-        * the remaining moves to the engine. Otherwise we get analysis output\r
-        * after each move.\r
-        */ \r
-        if (first.analysisSupport) {\r
-         SendToProgram("exit\nforce\n", &first);\r
-         first.analyzing = FALSE;\r
-       }\r
-    }\r
-       \r
-    if (gameMode == IcsExamining && !pausing) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("forward 999999\n");\r
-    } else {\r
-       ForwardInner(forwardMostMove);\r
-    }\r
-\r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {\r
-       /* we have fed all the moves, so reactivate analysis mode */\r
-       SendToProgram("analyze\n", &first);\r
-       first.analyzing = TRUE;\r
-       /*first.maybeThinking = TRUE;*/\r
-       first.maybeThinking = FALSE; /* avoid killing GNU Chess */\r
-    }\r
-}\r
-\r
-void\r
-BackwardInner(target)\r
-     int target;\r
-{\r
-    int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */\r
-\r
-    if (appData.debugMode)\r
-       fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",\r
-               target, currentMove, forwardMostMove);\r
-\r
-    if (gameMode == EditPosition) return;\r
-    if (currentMove <= backwardMostMove) {\r
-       ClearHighlights();\r
-       DrawPosition(full_redraw, boards[currentMove]);\r
-       return;\r
-    }\r
-    if (gameMode == PlayFromGameFile && !pausing)\r
-      PauseEvent();\r
-    \r
-    if (moveList[target][0]) {\r
-       int fromX, fromY, toX, toY;\r
-        toX = moveList[target][2] - AAA;\r
-        toY = moveList[target][3] - ONE;\r
-       if (moveList[target][1] == '@') {\r
-           if (appData.highlightLastMove) {\r
-               SetHighlights(-1, -1, toX, toY);\r
-           }\r
-       } else {\r
-            fromX = moveList[target][0] - AAA;\r
-            fromY = moveList[target][1] - ONE;\r
-           if (target == currentMove - 1) {\r
-               AnimateMove(boards[currentMove], toX, toY, fromX, fromY);\r
-           }\r
-           if (appData.highlightLastMove) {\r
-               SetHighlights(fromX, fromY, toX, toY);\r
-           }\r
-       }\r
-    }\r
-    if (gameMode == EditGame || gameMode==AnalyzeMode ||\r
-       gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {\r
-       while (currentMove > target) {\r
-           SendToProgram("undo\n", &first);\r
-           currentMove--;\r
-       }\r
-    } else {\r
-       currentMove = target;\r
-    }\r
-    \r
-    if (gameMode == EditGame || gameMode == EndOfGame) {\r
-       whiteTimeRemaining = timeRemaining[0][currentMove];\r
-       blackTimeRemaining = timeRemaining[1][currentMove];\r
-    }\r
-    DisplayBothClocks();\r
-    DisplayMove(currentMove - 1);\r
-    DrawPosition(full_redraw, boards[currentMove]);\r
-    HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);\r
-    // [HGM] PV info: routine tests if comment empty\r
-    DisplayComment(currentMove - 1, commentList[currentMove]);\r
-}\r
-\r
-void\r
-BackwardEvent()\r
-{\r
-    if (gameMode == IcsExamining && !pausing) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("backward\n");\r
-    } else {\r
-       BackwardInner(currentMove - 1);\r
-    }\r
-}\r
-\r
-void\r
-ToStartEvent()\r
-{\r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {\r
-       /* to optimze, we temporarily turn off analysis mode while we undo\r
-        * all the moves. Otherwise we get analysis output after each undo.\r
-        */ \r
-        if (first.analysisSupport) {\r
-         SendToProgram("exit\nforce\n", &first);\r
-         first.analyzing = FALSE;\r
-       }\r
-    }\r
-\r
-    if (gameMode == IcsExamining && !pausing) {\r
-        SendToICS(ics_prefix);\r
-       SendToICS("backward 999999\n");\r
-    } else {\r
-       BackwardInner(backwardMostMove);\r
-    }\r
-\r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {\r
-       /* we have fed all the moves, so reactivate analysis mode */\r
-       SendToProgram("analyze\n", &first);\r
-       first.analyzing = TRUE;\r
-       /*first.maybeThinking = TRUE;*/\r
-       first.maybeThinking = FALSE; /* avoid killing GNU Chess */\r
-    }\r
-}\r
-\r
-void\r
-ToNrEvent(int to)\r
-{\r
-  if (gameMode == PlayFromGameFile && !pausing) PauseEvent();\r
-  if (to >= forwardMostMove) to = forwardMostMove;\r
-  if (to <= backwardMostMove) to = backwardMostMove;\r
-  if (to < currentMove) {\r
-    BackwardInner(to);\r
-  } else {\r
-    ForwardInner(to);\r
-  }\r
-}\r
-\r
-void\r
-RevertEvent()\r
-{\r
-    if (gameMode != IcsExamining) {\r
-       DisplayError(_("You are not examining a game"), 0);\r
-       return;\r
-    }\r
-    if (pausing) {\r
-       DisplayError(_("You can't revert while pausing"), 0);\r
-       return;\r
-    }\r
-    SendToICS(ics_prefix);\r
-    SendToICS("revert\n");\r
-}\r
-\r
-void\r
-RetractMoveEvent()\r
-{\r
-    switch (gameMode) {\r
-      case MachinePlaysWhite:\r
-      case MachinePlaysBlack:\r
-       if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {\r
-           DisplayError(_("Wait until your turn,\nor select Move Now"), 0);\r
-           return;\r
-       }\r
-       if (forwardMostMove < 2) return;\r
-       currentMove = forwardMostMove = forwardMostMove - 2;\r
-       whiteTimeRemaining = timeRemaining[0][currentMove];\r
-       blackTimeRemaining = timeRemaining[1][currentMove];\r
-       DisplayBothClocks();\r
-       DisplayMove(currentMove - 1);\r
-       ClearHighlights();/*!! could figure this out*/\r
-       DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */\r
-       SendToProgram("remove\n", &first);\r
-       /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */\r
-       break;\r
-\r
-      case BeginningOfGame:\r
-      default:\r
-       break;\r
-\r
-      case IcsPlayingWhite:\r
-      case IcsPlayingBlack:\r
-       if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {\r
-           SendToICS(ics_prefix);\r
-           SendToICS("takeback 2\n");\r
-       } else {\r
-           SendToICS(ics_prefix);\r
-           SendToICS("takeback 1\n");\r
-       }\r
-       break;\r
-    }\r
-}\r
-\r
-void\r
-MoveNowEvent()\r
-{\r
-    ChessProgramState *cps;\r
-\r
-    switch (gameMode) {\r
-      case MachinePlaysWhite:\r
-       if (!WhiteOnMove(forwardMostMove)) {\r
-           DisplayError(_("It is your turn"), 0);\r
-           return;\r
-       }\r
-       cps = &first;\r
-       break;\r
-      case MachinePlaysBlack:\r
-       if (WhiteOnMove(forwardMostMove)) {\r
-           DisplayError(_("It is your turn"), 0);\r
-           return;\r
-       }\r
-       cps = &first;\r
-       break;\r
-      case TwoMachinesPlay:\r
-       if (WhiteOnMove(forwardMostMove) ==\r
-           (first.twoMachinesColor[0] == 'w')) {\r
-           cps = &first;\r
-       } else {\r
-           cps = &second;\r
-       }\r
-       break;\r
-      case BeginningOfGame:\r
-      default:\r
-       return;\r
-    }\r
-    SendToProgram("?\n", cps);\r
-}\r
-\r
-void\r
-TruncateGameEvent()\r
-{\r
-    EditGameEvent();\r
-    if (gameMode != EditGame) return;\r
-    TruncateGame();\r
-}\r
-\r
-void\r
-TruncateGame()\r
-{\r
-    if (forwardMostMove > currentMove) {\r
-       if (gameInfo.resultDetails != NULL) {\r
-           free(gameInfo.resultDetails);\r
-           gameInfo.resultDetails = NULL;\r
-           gameInfo.result = GameUnfinished;\r
-       }\r
-       forwardMostMove = currentMove;\r
-       HistorySet(parseList, backwardMostMove, forwardMostMove,\r
-                  currentMove-1);\r
-    }\r
-}\r
-\r
-void\r
-HintEvent()\r
-{\r
-    if (appData.noChessProgram) return;\r
-    switch (gameMode) {\r
-      case MachinePlaysWhite:\r
-       if (WhiteOnMove(forwardMostMove)) {\r
-           DisplayError(_("Wait until your turn"), 0);\r
-           return;\r
-       }\r
-       break;\r
-      case BeginningOfGame:\r
-      case MachinePlaysBlack:\r
-       if (!WhiteOnMove(forwardMostMove)) {\r
-           DisplayError(_("Wait until your turn"), 0);\r
-           return;\r
-       }\r
-       break;\r
-      default:\r
-       DisplayError(_("No hint available"), 0);\r
-       return;\r
-    }\r
-    SendToProgram("hint\n", &first);\r
-    hintRequested = TRUE;\r
-}\r
-\r
-void\r
-BookEvent()\r
-{\r
-    if (appData.noChessProgram) return;\r
-    switch (gameMode) {\r
-      case MachinePlaysWhite:\r
-       if (WhiteOnMove(forwardMostMove)) {\r
-           DisplayError(_("Wait until your turn"), 0);\r
-           return;\r
-       }\r
-       break;\r
-      case BeginningOfGame:\r
-      case MachinePlaysBlack:\r
-       if (!WhiteOnMove(forwardMostMove)) {\r
-           DisplayError(_("Wait until your turn"), 0);\r
-           return;\r
-       }\r
-       break;\r
-      case EditPosition:\r
-       EditPositionDone();\r
-       break;\r
-      case TwoMachinesPlay:\r
-       return;\r
-      default:\r
-       break;\r
-    }\r
-    SendToProgram("bk\n", &first);\r
-    bookOutput[0] = NULLCHAR;\r
-    bookRequested = TRUE;\r
-}\r
-\r
-void\r
-AboutGameEvent()\r
-{\r
-    char *tags = PGNTags(&gameInfo);\r
-    TagsPopUp(tags, CmailMsg());\r
-    free(tags);\r
-}\r
-\r
-/* end button procedures */\r
-\r
-void\r
-PrintPosition(fp, move)\r
-     FILE *fp;\r
-     int move;\r
-{\r
-    int i, j;\r
-    \r
-    for (i = BOARD_HEIGHT - 1; i >= 0; i--) {\r
-        for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {\r
-           char c = PieceToChar(boards[move][i][j]);\r
-           fputc(c == 'x' ? '.' : c, fp);\r
-            fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);\r
-       }\r
-    }\r
-    if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))\r
-      fprintf(fp, "white to play\n");\r
-    else\r
-      fprintf(fp, "black to play\n");\r
-}\r
-\r
-void\r
-PrintOpponents(fp)\r
-     FILE *fp;\r
-{\r
-    if (gameInfo.white != NULL) {\r
-       fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);\r
-    } else {\r
-       fprintf(fp, "\n");\r
-    }\r
-}\r
-\r
-/* Find last component of program's own name, using some heuristics */\r
-void\r
-TidyProgramName(prog, host, buf)\r
-     char *prog, *host, buf[MSG_SIZ];\r
-{\r
-    char *p, *q;\r
-    int local = (strcmp(host, "localhost") == 0);\r
-    while (!local && (p = strchr(prog, ';')) != NULL) {\r
-       p++;\r
-       while (*p == ' ') p++;\r
-       prog = p;\r
-    }\r
-    if (*prog == '"' || *prog == '\'') {\r
-       q = strchr(prog + 1, *prog);\r
-    } else {\r
-       q = strchr(prog, ' ');\r
-    }\r
-    if (q == NULL) q = prog + strlen(prog);\r
-    p = q;\r
-    while (p >= prog && *p != '/' && *p != '\\') p--;\r
-    p++;\r
-    if(p == prog && *p == '"') p++;\r
-    if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;\r
-    memcpy(buf, p, q - p);\r
-    buf[q - p] = NULLCHAR;\r
-    if (!local) {\r
-       strcat(buf, "@");\r
-       strcat(buf, host);\r
-    }\r
-}\r
-\r
-char *\r
-TimeControlTagValue()\r
-{\r
-    char buf[MSG_SIZ];\r
-    if (!appData.clockMode) {\r
-       strcpy(buf, "-");\r
-    } else if (movesPerSession > 0) {\r
-       sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);\r
-    } else if (timeIncrement == 0) {\r
-       sprintf(buf, "%ld", timeControl/1000);\r
-    } else {\r
-       sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);\r
-    }\r
-    return StrSave(buf);\r
-}\r
-\r
-void\r
-SetGameInfo()\r
-{\r
-    /* This routine is used only for certain modes */\r
-    VariantClass v = gameInfo.variant;\r
-    ClearGameInfo(&gameInfo);\r
-    gameInfo.variant = v;\r
-\r
-    switch (gameMode) {\r
-      case MachinePlaysWhite:\r
-       gameInfo.event = StrSave( appData.pgnEventHeader );\r
-       gameInfo.site = StrSave(HostName());\r
-       gameInfo.date = PGNDate();\r
-       gameInfo.round = StrSave("-");\r
-       gameInfo.white = StrSave(first.tidy);\r
-       gameInfo.black = StrSave(UserName());\r
-       gameInfo.timeControl = TimeControlTagValue();\r
-       break;\r
-\r
-      case MachinePlaysBlack:\r
-       gameInfo.event = StrSave( appData.pgnEventHeader );\r
-       gameInfo.site = StrSave(HostName());\r
-       gameInfo.date = PGNDate();\r
-       gameInfo.round = StrSave("-");\r
-       gameInfo.white = StrSave(UserName());\r
-       gameInfo.black = StrSave(first.tidy);\r
-       gameInfo.timeControl = TimeControlTagValue();\r
-       break;\r
-\r
-      case TwoMachinesPlay:\r
-       gameInfo.event = StrSave( appData.pgnEventHeader );\r
-       gameInfo.site = StrSave(HostName());\r
-       gameInfo.date = PGNDate();\r
-       if (matchGame > 0) {\r
-           char buf[MSG_SIZ];\r
-           sprintf(buf, "%d", matchGame);\r
-           gameInfo.round = StrSave(buf);\r
-       } else {\r
-           gameInfo.round = StrSave("-");\r
-       }\r
-       if (first.twoMachinesColor[0] == 'w') {\r
-           gameInfo.white = StrSave(first.tidy);\r
-           gameInfo.black = StrSave(second.tidy);\r
-       } else {\r
-           gameInfo.white = StrSave(second.tidy);\r
-           gameInfo.black = StrSave(first.tidy);\r
-       }\r
-       gameInfo.timeControl = TimeControlTagValue();\r
-       break;\r
-\r
-      case EditGame:\r
-       gameInfo.event = StrSave("Edited game");\r
-       gameInfo.site = StrSave(HostName());\r
-       gameInfo.date = PGNDate();\r
-       gameInfo.round = StrSave("-");\r
-       gameInfo.white = StrSave("-");\r
-       gameInfo.black = StrSave("-");\r
-       break;\r
-\r
-      case EditPosition:\r
-       gameInfo.event = StrSave("Edited position");\r
-       gameInfo.site = StrSave(HostName());\r
-       gameInfo.date = PGNDate();\r
-       gameInfo.round = StrSave("-");\r
-       gameInfo.white = StrSave("-");\r
-       gameInfo.black = StrSave("-");\r
-       break;\r
-\r
-      case IcsPlayingWhite:\r
-      case IcsPlayingBlack:\r
-      case IcsObserving:\r
-      case IcsExamining:\r
-       break;\r
-\r
-      case PlayFromGameFile:\r
-       gameInfo.event = StrSave("Game from non-PGN file");\r
-       gameInfo.site = StrSave(HostName());\r
-       gameInfo.date = PGNDate();\r
-       gameInfo.round = StrSave("-");\r
-       gameInfo.white = StrSave("?");\r
-       gameInfo.black = StrSave("?");\r
-       break;\r
-\r
-      default:\r
-       break;\r
-    }\r
-}\r
-\r
-void\r
-ReplaceComment(index, text)\r
-     int index;\r
-     char *text;\r
-{\r
-    int len;\r
-\r
-    while (*text == '\n') text++;\r
-    len = strlen(text);\r
-    while (len > 0 && text[len - 1] == '\n') len--;\r
-\r
-    if (commentList[index] != NULL)\r
-      free(commentList[index]);\r
-\r
-    if (len == 0) {\r
-       commentList[index] = NULL;\r
-       return;\r
-    }\r
-    commentList[index] = (char *) malloc(len + 2);\r
-    strncpy(commentList[index], text, len);\r
-    commentList[index][len] = '\n';\r
-    commentList[index][len + 1] = NULLCHAR;\r
-}\r
-\r
-void\r
-CrushCRs(text)\r
-     char *text;\r
-{\r
-  char *p = text;\r
-  char *q = text;\r
-  char ch;\r
-\r
-  do {\r
-    ch = *p++;\r
-    if (ch == '\r') continue;\r
-    *q++ = ch;\r
-  } while (ch != '\0');\r
-}\r
-\r
-void\r
-AppendComment(index, text)\r
-     int index;\r
-     char *text;\r
-{\r
-    int oldlen, len;\r
-    char *old;\r
-\r
-    text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */\r
-\r
-    CrushCRs(text);\r
-    while (*text == '\n') text++;\r
-    len = strlen(text);\r
-    while (len > 0 && text[len - 1] == '\n') len--;\r
-\r
-    if (len == 0) return;\r
-\r
-    if (commentList[index] != NULL) {\r
-       old = commentList[index];\r
-       oldlen = strlen(old);\r
-       commentList[index] = (char *) malloc(oldlen + len + 2);\r
-       strcpy(commentList[index], old);\r
-       free(old);\r
-       strncpy(&commentList[index][oldlen], text, len);\r
-       commentList[index][oldlen + len] = '\n';\r
-       commentList[index][oldlen + len + 1] = NULLCHAR;\r
-    } else {\r
-       commentList[index] = (char *) malloc(len + 2);\r
-       strncpy(commentList[index], text, len);\r
-       commentList[index][len] = '\n';\r
-       commentList[index][len + 1] = NULLCHAR;\r
-    }\r
-}\r
-\r
-static char * FindStr( char * text, char * sub_text )\r
-{\r
-    char * result = strstr( text, sub_text );\r
-\r
-    if( result != NULL ) {\r
-        result += strlen( sub_text );\r
-    }\r
-\r
-    return result;\r
-}\r
-\r
-/* [AS] Try to extract PV info from PGN comment */\r
-/* [HGM] PV time: and then remove it, to prevent it appearing twice */\r
-char *GetInfoFromComment( int index, char * text )\r
-{\r
-    char * sep = text;\r
-\r
-    if( text != NULL && index > 0 ) {\r
-        int score = 0;\r
-        int depth = 0;\r
-        int time = -1, sec = 0, deci;\r
-        char * s_eval = FindStr( text, "[%eval " );\r
-        char * s_emt = FindStr( text, "[%emt " );\r
-\r
-        if( s_eval != NULL || s_emt != NULL ) {\r
-            /* New style */\r
-            char delim;\r
-\r
-            if( s_eval != NULL ) {\r
-                if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {\r
-                    return text;\r
-                }\r
-\r
-                if( delim != ']' ) {\r
-                    return text;\r
-                }\r
-            }\r
-\r
-            if( s_emt != NULL ) {\r
-            }\r
-        }\r
-        else {\r
-            /* We expect something like: [+|-]nnn.nn/dd */\r
-            int score_lo = 0;\r
-\r
-            sep = strchr( text, '/' );\r
-            if( sep == NULL || sep < (text+4) ) {\r
-                return text;\r
-            }\r
-\r
-            time = -1; sec = -1; deci = -1;\r
-            if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&\r
-               sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&\r
-                sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&\r
-                sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3   ) {\r
-                return text;\r
-            }\r
-\r
-            if( score_lo < 0 || score_lo >= 100 ) {\r
-                return text;\r
-            }\r
-\r
-            if(sec >= 0) time = 600*time + 10*sec; else\r
-            if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec\r
-\r
-            score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;\r
-\r
-            /* [HGM] PV time: now locate end of PV info */\r
-            while( *++sep >= '0' && *sep <= '9'); // strip depth\r
-            if(time >= 0)\r
-            while( *++sep >= '0' && *sep <= '9'); // strip time\r
-            if(sec >= 0)\r
-            while( *++sep >= '0' && *sep <= '9'); // strip seconds\r
-            if(deci >= 0)\r
-            while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds\r
-            while(*sep == ' ') sep++;\r
-        }\r
-\r
-        if( depth <= 0 ) {\r
-            return text;\r
-        }\r
-\r
-        if( time < 0 ) {\r
-            time = -1;\r
-        }\r
-\r
-        pvInfoList[index-1].depth = depth;\r
-        pvInfoList[index-1].score = score;\r
-        pvInfoList[index-1].time  = 10*time; // centi-sec\r
-    }\r
-    return sep;\r
-}\r
-\r
-void\r
-SendToProgram(message, cps)\r
-     char *message;\r
-     ChessProgramState *cps;\r
-{\r
-    int count, outCount, error;\r
-    char buf[MSG_SIZ];\r
-\r
-    if (cps->pr == NULL) return;\r
-    Attention(cps);\r
-    \r
-    if (appData.debugMode) {\r
-       TimeMark now;\r
-       GetTimeMark(&now);\r
-       fprintf(debugFP, "%ld >%-6s: %s", \r
-               SubtractTimeMarks(&now, &programStartTime),\r
-               cps->which, message);\r
-    }\r
-    \r
-    count = strlen(message);\r
-    outCount = OutputToProcess(cps->pr, message, count, &error);\r
-    if (outCount < count && !exiting \r
-                         && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */\r
-       sprintf(buf, _("Error writing to %s chess program"), cps->which);\r
-        if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */\r
-            if(epStatus[forwardMostMove] <= EP_DRAWS) {\r
-                gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */\r
-                sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);\r
-            } else {\r
-                gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;\r
-            }\r
-            gameInfo.resultDetails = buf;\r
-        }\r
-        DisplayFatalError(buf, error, 1);\r
-    }\r
-}\r
-\r
-void\r
-ReceiveFromProgram(isr, closure, message, count, error)\r
-     InputSourceRef isr;\r
-     VOIDSTAR closure;\r
-     char *message;\r
-     int count;\r
-     int error;\r
-{\r
-    char *end_str;\r
-    char buf[MSG_SIZ];\r
-    ChessProgramState *cps = (ChessProgramState *)closure;\r
-\r
-    if (isr != cps->isr) return; /* Killed intentionally */\r
-    if (count <= 0) {\r
-       if (count == 0) {\r
-           sprintf(buf,\r
-                   _("Error: %s chess program (%s) exited unexpectedly"),\r
-                   cps->which, cps->program);\r
-        if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */\r
-                if(epStatus[forwardMostMove] <= EP_DRAWS) {\r
-                    gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */\r
-                    sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);\r
-                } else {\r
-                    gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;\r
-                }\r
-                gameInfo.resultDetails = buf;\r
-            }\r
-           RemoveInputSource(cps->isr);\r
-           DisplayFatalError(buf, 0, 1);\r
-       } else {\r
-           sprintf(buf,\r
-                   _("Error reading from %s chess program (%s)"),\r
-                   cps->which, cps->program);\r
-           RemoveInputSource(cps->isr);\r
-\r
-            /* [AS] Program is misbehaving badly... kill it */\r
-            if( count == -2 ) {\r
-                DestroyChildProcess( cps->pr, 9 );\r
-                cps->pr = NoProc;\r
-            }\r
-\r
-            DisplayFatalError(buf, error, 1);\r
-       }\r
-       return;\r
-    }\r
-    \r
-    if ((end_str = strchr(message, '\r')) != NULL)\r
-      *end_str = NULLCHAR;\r
-    if ((end_str = strchr(message, '\n')) != NULL)\r
-      *end_str = NULLCHAR;\r
-    \r
-    if (appData.debugMode) {\r
-       TimeMark now; int print = 1;\r
-       char *quote = ""; char c; int i;\r
-\r
-       if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */\r
-               char start = message[0];\r
-               if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing\r
-               if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 && \r
-                  sscanf(message, "move %c", &c)!=1  && sscanf(message, "offer%c", &c)!=1 &&\r
-                  sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&\r
-                  sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&\r
-                  sscanf(message, "tell%c", &c)!=1   && sscanf(message, "0-1 %c", &c)!=1 &&\r
-                  sscanf(message, "1-0 %c", &c)!=1   && sscanf(message, "1/2-1/2 %c", &c)!=1 && start != '#')\r
-                       { quote = "# "; print = (appData.engineComments == 2); }\r
-               message[0] = start; // restore original message\r
-       }\r
-       if(print) {\r
-               GetTimeMark(&now);\r
-               fprintf(debugFP, "%ld <%-6s: %s%s\n", \r
-                       SubtractTimeMarks(&now, &programStartTime), cps->which, \r
-                       quote,\r
-                       message);\r
-       }\r
-    }\r
-\r
-    /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */\r
-    if (appData.icsEngineAnalyze) {\r
-        if (strstr(message, "whisper") != NULL ||\r
-             strstr(message, "kibitz") != NULL || \r
-            strstr(message, "tellics") != NULL) return;\r
-    }\r
-\r
-    HandleMachineMove(message, cps);\r
-}\r
-\r
-\r
-void\r
-SendTimeControl(cps, mps, tc, inc, sd, st)\r
-     ChessProgramState *cps;\r
-     int mps, inc, sd, st;\r
-     long tc;\r
-{\r
-    char buf[MSG_SIZ];\r
-    int seconds;\r
-\r
-    if( timeControl_2 > 0 ) {\r
-        if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {\r
-            tc = timeControl_2;\r
-        }\r
-    }\r
-    tc  /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */\r
-    inc /= cps->timeOdds;\r
-    st  /= cps->timeOdds;\r
-\r
-    seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */\r
-\r
-    if (st > 0) {\r
-      /* Set exact time per move, normally using st command */\r
-      if (cps->stKludge) {\r
-       /* GNU Chess 4 has no st command; uses level in a nonstandard way */\r
-       seconds = st % 60;\r
-       if (seconds == 0) {\r
-         sprintf(buf, "level 1 %d\n", st/60);\r
-       } else {\r
-         sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);\r
-       }\r
-      } else {\r
-       sprintf(buf, "st %d\n", st);\r
-      }\r
-    } else {\r
-      /* Set conventional or incremental time control, using level command */\r
-      if (seconds == 0) {\r
-       /* Note old gnuchess bug -- minutes:seconds used to not work.\r
-          Fixed in later versions, but still avoid :seconds\r
-          when seconds is 0. */\r
-       sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);\r
-      } else {\r
-       sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,\r
-               seconds, inc/1000);\r
-      }\r
-    }\r
-    SendToProgram(buf, cps);\r
-\r
-    /* Orthoganally (except for GNU Chess 4), limit time to st seconds */\r
-    /* Orthogonally, limit search to given depth */\r
-    if (sd > 0) {\r
-      if (cps->sdKludge) {\r
-       sprintf(buf, "depth\n%d\n", sd);\r
-      } else {\r
-       sprintf(buf, "sd %d\n", sd);\r
-      }\r
-      SendToProgram(buf, cps);\r
-    }\r
-\r
-    if(cps->nps > 0) { /* [HGM] nps */\r
-       if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!\r
-       else {\r
-               sprintf(buf, "nps %d\n", cps->nps);\r
-             SendToProgram(buf, cps);\r
-       }\r
-    }\r
-}\r
-\r
-ChessProgramState *WhitePlayer()\r
-/* [HGM] return pointer to 'first' or 'second', depending on who plays white */\r
-{\r
-    if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' || \r
-       gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)\r
-        return &second;\r
-    return &first;\r
-}\r
-\r
-void\r
-SendTimeRemaining(cps, machineWhite)\r
-     ChessProgramState *cps;\r
-     int /*boolean*/ machineWhite;\r
-{\r
-    char message[MSG_SIZ];\r
-    long time, otime;\r
-\r
-    /* Note: this routine must be called when the clocks are stopped\r
-       or when they have *just* been set or switched; otherwise\r
-       it will be off by the time since the current tick started.\r
-    */\r
-    if (machineWhite) {\r
-       time = whiteTimeRemaining / 10;\r
-       otime = blackTimeRemaining / 10;\r
-    } else {\r
-       time = blackTimeRemaining / 10;\r
-       otime = whiteTimeRemaining / 10;\r
-    }\r
-    /* [HGM] translate opponent's time by time-odds factor */\r
-    otime = (otime * cps->other->timeOdds) / cps->timeOdds;\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);\r
-    }\r
-\r
-    if (time <= 0) time = 1;\r
-    if (otime <= 0) otime = 1;\r
-    \r
-    sprintf(message, "time %ld\n", time);\r
-    SendToProgram(message, cps);\r
-\r
-    sprintf(message, "otim %ld\n", otime);\r
-    SendToProgram(message, cps);\r
-}\r
-\r
-int\r
-BoolFeature(p, name, loc, cps)\r
-     char **p;\r
-     char *name;\r
-     int *loc;\r
-     ChessProgramState *cps;\r
-{\r
-  char buf[MSG_SIZ];\r
-  int len = strlen(name);\r
-  int val;\r
-  if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {\r
-    (*p) += len + 1;\r
-    sscanf(*p, "%d", &val);\r
-    *loc = (val != 0);\r
-    while (**p && **p != ' ') (*p)++;\r
-    sprintf(buf, "accepted %s\n", name);\r
-    SendToProgram(buf, cps);\r
-    return TRUE;\r
-  }\r
-  return FALSE;\r
-}\r
-\r
-int\r
-IntFeature(p, name, loc, cps)\r
-     char **p;\r
-     char *name;\r
-     int *loc;\r
-     ChessProgramState *cps;\r
-{\r
-  char buf[MSG_SIZ];\r
-  int len = strlen(name);\r
-  if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {\r
-    (*p) += len + 1;\r
-    sscanf(*p, "%d", loc);\r
-    while (**p && **p != ' ') (*p)++;\r
-    sprintf(buf, "accepted %s\n", name);\r
-    SendToProgram(buf, cps);\r
-    return TRUE;\r
-  }\r
-  return FALSE;\r
-}\r
-\r
-int\r
-StringFeature(p, name, loc, cps)\r
-     char **p;\r
-     char *name;\r
-     char loc[];\r
-     ChessProgramState *cps;\r
-{\r
-  char buf[MSG_SIZ];\r
-  int len = strlen(name);\r
-  if (strncmp((*p), name, len) == 0\r
-      && (*p)[len] == '=' && (*p)[len+1] == '\"') {\r
-    (*p) += len + 2;\r
-    sscanf(*p, "%[^\"]", loc);\r
-    while (**p && **p != '\"') (*p)++;\r
-    if (**p == '\"') (*p)++;\r
-    sprintf(buf, "accepted %s\n", name);\r
-    SendToProgram(buf, cps);\r
-    return TRUE;\r
-  }\r
-  return FALSE;\r
-}\r
-\r
-int \r
-ParseOption(Option *opt, ChessProgramState *cps)\r
-// [HGM] options: process the string that defines an engine option, and determine\r
-// name, type, default value, and allowed value range\r
-{\r
-       char *p, *q, buf[MSG_SIZ];\r
-       int n, min = (-1)<<31, max = 1<<31, def;\r
-\r
-       if(p = strstr(opt->name, " -spin ")) {\r
-           if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;\r
-           if(max < min) max = min; // enforce consistency\r
-           if(def < min) def = min;\r
-           if(def > max) def = max;\r
-           opt->value = def;\r
-           opt->min = min;\r
-           opt->max = max;\r
-           opt->type = Spin;\r
-       } else if(p = strstr(opt->name, " -string ")) {\r
-           opt->textValue = p+9;\r
-           opt->type = TextBox;\r
-       } else if(p = strstr(opt->name, " -check ")) {\r
-           if(sscanf(p, " -check %d", &def) < 1) return FALSE;\r
-           opt->value = (def != 0);\r
-           opt->type = CheckBox;\r
-       } else if(p = strstr(opt->name, " -combo ")) {\r
-           opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type\r
-           cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices\r
-           opt->value = n = 0;\r
-           while(q = StrStr(q, " /// ")) {\r
-               n++; *q = 0;    // count choices, and null-terminate each of them\r
-               q += 5;\r
-               if(*q == '*') { // remember default, which is marked with * prefix\r
-                   q++;\r
-                   opt->value = n;\r
-               }\r
-               cps->comboList[cps->comboCnt++] = q;\r
-           }\r
-           cps->comboList[cps->comboCnt++] = NULL;\r
-           opt->max = n + 1;\r
-           opt->type = ComboBox;\r
-       } else if(p = strstr(opt->name, " -button")) {\r
-           opt->type = Button;\r
-       } else if(p = strstr(opt->name, " -save")) {\r
-           opt->type = SaveButton;\r
-       } else return FALSE;\r
-       *p = 0; // terminate option name\r
-       // now look if the command-line options define a setting for this engine option.\r
-       if(cps->optionSettings && cps->optionSettings[0])\r
-           p = strstr(cps->optionSettings, opt->name); else p = NULL;\r
-       if(p && (p == cps->optionSettings || p[-1] == ',')) {\r
-               sprintf(buf, "option %s", p);\r
-               if(p = strstr(buf, ",")) *p = 0;\r
-               strcat(buf, "\n");\r
-               SendToProgram(buf, cps);\r
-       }\r
-       return TRUE;\r
-}\r
-\r
-void\r
-FeatureDone(cps, val)\r
-     ChessProgramState* cps;\r
-     int val;\r
-{\r
-  DelayedEventCallback cb = GetDelayedEvent();\r
-  if ((cb == InitBackEnd3 && cps == &first) ||\r
-      (cb == TwoMachinesEventIfReady && cps == &second)) {\r
-    CancelDelayedEvent();\r
-    ScheduleDelayedEvent(cb, val ? 1 : 3600000);\r
-  }\r
-  cps->initDone = val;\r
-}\r
-\r
-/* Parse feature command from engine */\r
-void\r
-ParseFeatures(args, cps)\r
-     char* args;\r
-     ChessProgramState *cps;  \r
-{\r
-  char *p = args;\r
-  char *q;\r
-  int val;\r
-  char buf[MSG_SIZ];\r
-\r
-  for (;;) {\r
-    while (*p == ' ') p++;\r
-    if (*p == NULLCHAR) return;\r
-\r
-    if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;\r
-    if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;    \r
-    if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;    \r
-    if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;    \r
-    if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;    \r
-    if (BoolFeature(&p, "reuse", &val, cps)) {\r
-      /* Engine can disable reuse, but can't enable it if user said no */\r
-      if (!val) cps->reuse = FALSE;\r
-      continue;\r
-    }\r
-    if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;\r
-    if (StringFeature(&p, "myname", &cps->tidy, cps)) {\r
-      if (gameMode == TwoMachinesPlay) {\r
-       DisplayTwoMachinesTitle();\r
-      } else {\r
-       DisplayTitle("");\r
-      }\r
-      continue;\r
-    }\r
-    if (StringFeature(&p, "variants", &cps->variants, cps)) continue;\r
-    if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;\r
-    if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;\r
-    if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;\r
-    if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;\r
-    if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;\r
-    if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;\r
-    if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;\r
-    if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */\r
-    if (IntFeature(&p, "done", &val, cps)) {\r
-      FeatureDone(cps, val);\r
-      continue;\r
-    }\r
-    /* Added by Tord: */\r
-    if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;\r
-    if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;\r
-    /* End of additions by Tord */\r
-\r
-    /* [HGM] added features: */\r
-    if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;\r
-    if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;\r
-    if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;\r
-    if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;\r
-    if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;\r
-    if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;\r
-    if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {\r
-       ParseOption(&(cps->option[cps->nrOptions++]), cps); // [HGM] options: add option feature\r
-       if(cps->nrOptions >= MAX_OPTIONS) {\r
-           cps->nrOptions--;\r
-           sprintf(buf, "%s engine has too many options\n", cps->which);\r
-           DisplayError(buf, 0);\r
-       }\r
-       continue;\r
-    }\r
-    if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;\r
-    /* End of additions by HGM */\r
-\r
-    /* unknown feature: complain and skip */\r
-    q = p;\r
-    while (*q && *q != '=') q++;\r
-    sprintf(buf, "rejected %.*s\n", q-p, p);\r
-    SendToProgram(buf, cps);\r
-    p = q;\r
-    if (*p == '=') {\r
-      p++;\r
-      if (*p == '\"') {\r
-       p++;\r
-       while (*p && *p != '\"') p++;\r
-       if (*p == '\"') p++;\r
-      } else {\r
-       while (*p && *p != ' ') p++;\r
-      }\r
-    }\r
-  }\r
-\r
-}\r
-\r
-void\r
-PeriodicUpdatesEvent(newState)\r
-     int newState;\r
-{\r
-    if (newState == appData.periodicUpdates)\r
-      return;\r
-\r
-    appData.periodicUpdates=newState;\r
-\r
-    /* Display type changes, so update it now */\r
-    DisplayAnalysis();\r
-\r
-    /* Get the ball rolling again... */\r
-    if (newState) {\r
-       AnalysisPeriodicEvent(1);\r
-       StartAnalysisClock();\r
-    }\r
-}\r
-\r
-void\r
-PonderNextMoveEvent(newState)\r
-     int newState;\r
-{\r
-    if (newState == appData.ponderNextMove) return;\r
-    if (gameMode == EditPosition) EditPositionDone();\r
-    if (newState) {\r
-       SendToProgram("hard\n", &first);\r
-       if (gameMode == TwoMachinesPlay) {\r
-           SendToProgram("hard\n", &second);\r
-       }\r
-    } else {\r
-       SendToProgram("easy\n", &first);\r
-       thinkOutput[0] = NULLCHAR;\r
-       if (gameMode == TwoMachinesPlay) {\r
-           SendToProgram("easy\n", &second);\r
-       }\r
-    }\r
-    appData.ponderNextMove = newState;\r
-}\r
-\r
-void\r
-NewSettingEvent(option, command, value)\r
-     char *command;\r
-     int option, value;\r
-{\r
-    char buf[MSG_SIZ];\r
-\r
-    if (gameMode == EditPosition) EditPositionDone();\r
-    sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);\r
-    SendToProgram(buf, &first);\r
-    if (gameMode == TwoMachinesPlay) {\r
-       SendToProgram(buf, &second);\r
-    }\r
-}\r
-\r
-void\r
-ShowThinkingEvent()\r
-// [HGM] thinking: this routine is now also called from "Options -> Engine..." popup\r
-{\r
-    static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated\r
-    int newState = appData.showThinking\r
-       // [HGM] thinking: other features now need thinking output as well\r
-       || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();\r
-    \r
-    if (oldState == newState) return;\r
-    oldState = newState;\r
-    if (gameMode == EditPosition) EditPositionDone();\r
-    if (oldState) {\r
-       SendToProgram("post\n", &first);\r
-       if (gameMode == TwoMachinesPlay) {\r
-           SendToProgram("post\n", &second);\r
-       }\r
-    } else {\r
-       SendToProgram("nopost\n", &first);\r
-       thinkOutput[0] = NULLCHAR;\r
-       if (gameMode == TwoMachinesPlay) {\r
-           SendToProgram("nopost\n", &second);\r
-       }\r
-    }\r
-//    appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!\r
-}\r
-\r
-void\r
-AskQuestionEvent(title, question, replyPrefix, which)\r
-     char *title; char *question; char *replyPrefix; char *which;\r
-{\r
-  ProcRef pr = (which[0] == '1') ? first.pr : second.pr;\r
-  if (pr == NoProc) return;\r
-  AskQuestion(title, question, replyPrefix, pr);\r
-}\r
-\r
-void\r
-DisplayMove(moveNumber)\r
-     int moveNumber;\r
-{\r
-    char message[MSG_SIZ];\r
-    char res[MSG_SIZ];\r
-    char cpThinkOutput[MSG_SIZ];\r
-\r
-    if(appData.noGUI) return; // [HGM] fast: suppress display of moves\r
-    \r
-    if (moveNumber == forwardMostMove - 1 || \r
-       gameMode == AnalyzeMode || gameMode == AnalyzeFile) {\r
-\r
-       safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));\r
-\r
-        if (strchr(cpThinkOutput, '\n')) {\r
-           *strchr(cpThinkOutput, '\n') = NULLCHAR;\r
-        }\r
-    } else {\r
-       *cpThinkOutput = NULLCHAR;\r
-    }\r
-\r
-    /* [AS] Hide thinking from human user */\r
-    if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {\r
-        *cpThinkOutput = NULLCHAR;\r
-        if( thinkOutput[0] != NULLCHAR ) {\r
-            int i;\r
-\r
-            for( i=0; i<=hiddenThinkOutputState; i++ ) {\r
-                cpThinkOutput[i] = '.';\r
-            }\r
-            cpThinkOutput[i] = NULLCHAR;\r
-            hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;\r
-        }\r
-    }\r
-\r
-    if (moveNumber == forwardMostMove - 1 &&\r
-       gameInfo.resultDetails != NULL) {\r
-       if (gameInfo.resultDetails[0] == NULLCHAR) {\r
-           sprintf(res, " %s", PGNResult(gameInfo.result));\r
-       } else {\r
-           sprintf(res, " {%s} %s",\r
-                   gameInfo.resultDetails, PGNResult(gameInfo.result));\r
-       }\r
-    } else {\r
-       res[0] = NULLCHAR;\r
-    }\r
-\r
-    if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {\r
-       DisplayMessage(res, cpThinkOutput);\r
-    } else {\r
-       sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,\r
-               WhiteOnMove(moveNumber) ? " " : ".. ",\r
-               parseList[moveNumber], res);\r
-       DisplayMessage(message, cpThinkOutput);\r
-    }\r
-}\r
-\r
-void\r
-DisplayAnalysisText(text)\r
-     char *text;\r
-{\r
-    char buf[MSG_SIZ];\r
-\r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile \r
-               || appData.icsEngineAnalyze) {\r
-       sprintf(buf, "Analysis (%s)", first.tidy);\r
-       AnalysisPopUp(buf, text);\r
-    }\r
-}\r
-\r
-static int\r
-only_one_move(str)\r
-     char *str;\r
-{\r
-    while (*str && isspace(*str)) ++str;\r
-    while (*str && !isspace(*str)) ++str;\r
-    if (!*str) return 1;\r
-    while (*str && isspace(*str)) ++str;\r
-    if (!*str) return 1;\r
-    return 0;\r
-}\r
-\r
-void\r
-DisplayAnalysis()\r
-{\r
-    char buf[MSG_SIZ];\r
-    char lst[MSG_SIZ / 2];\r
-    double nps;\r
-    static char *xtra[] = { "", " (--)", " (++)" };\r
-    int h, m, s, cs;\r
-  \r
-    if (programStats.time == 0) {\r
-       programStats.time = 1;\r
-    }\r
-  \r
-    if (programStats.got_only_move) {\r
-       safeStrCpy(buf, programStats.movelist, sizeof(buf));\r
-    } else {\r
-        safeStrCpy( lst, programStats.movelist, sizeof(lst));\r
-\r
-        nps = (u64ToDouble(programStats.nodes) /\r
-             ((double)programStats.time /100.0));\r
-\r
-       cs = programStats.time % 100;\r
-       s = programStats.time / 100;\r
-       h = (s / (60*60));\r
-       s = s - h*60*60;\r
-       m = (s/60);\r
-       s = s - m*60;\r
-\r
-       if (programStats.moves_left > 0 && appData.periodicUpdates) {\r
-         if (programStats.move_name[0] != NULLCHAR) {\r
-           sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",\r
-                   programStats.depth,\r
-                   programStats.nr_moves-programStats.moves_left,\r
-                   programStats.nr_moves, programStats.move_name,\r
-                   ((float)programStats.score)/100.0, lst,\r
-                   only_one_move(lst)?\r
-                   xtra[programStats.got_fail] : "",\r
-                   (u64)programStats.nodes, (int)nps, h, m, s, cs);\r
-         } else {\r
-           sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",\r
-                   programStats.depth,\r
-                   programStats.nr_moves-programStats.moves_left,\r
-                   programStats.nr_moves, ((float)programStats.score)/100.0,\r
-                   lst,\r
-                   only_one_move(lst)?\r
-                   xtra[programStats.got_fail] : "",\r
-                   (u64)programStats.nodes, (int)nps, h, m, s, cs);\r
-         }\r
-       } else {\r
-           sprintf(buf, "depth=%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",\r
-                   programStats.depth,\r
-                   ((float)programStats.score)/100.0,\r
-                   lst,\r
-                   only_one_move(lst)?\r
-                   xtra[programStats.got_fail] : "",\r
-                   (u64)programStats.nodes, (int)nps, h, m, s, cs);\r
-       }\r
-    }\r
-    DisplayAnalysisText(buf);\r
-}\r
-\r
-void\r
-DisplayComment(moveNumber, text)\r
-     int moveNumber;\r
-     char *text;\r
-{\r
-    char title[MSG_SIZ];\r
-    char buf[8000]; // comment can be long!\r
-    int score, depth;\r
-\r
-    if( appData.autoDisplayComment ) {\r
-        if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {\r
-           strcpy(title, "Comment");\r
-        } else {\r
-           sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,\r
-                   WhiteOnMove(moveNumber) ? " " : ".. ",\r
-                   parseList[moveNumber]);\r
-        }\r
-       // [HGM] PV info: display PV info together with (or as) comment\r
-       if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {\r
-           if(text == NULL) text = "";                                           \r
-           score = pvInfoList[moveNumber].score;\r
-           sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,\r
-                              depth, (pvInfoList[moveNumber].time+50)/100, text);\r
-           text = buf;\r
-       }\r
-    } else title[0] = 0;\r
-\r
-    if (text != NULL)\r
-        CommentPopUp(title, text);\r
-}\r
-\r
-/* This routine sends a ^C interrupt to gnuchess, to awaken it if it\r
- * might be busy thinking or pondering.  It can be omitted if your\r
- * gnuchess is configured to stop thinking immediately on any user\r
- * input.  However, that gnuchess feature depends on the FIONREAD\r
- * ioctl, which does not work properly on some flavors of Unix.\r
- */\r
-void\r
-Attention(cps)\r
-     ChessProgramState *cps;\r
-{\r
-#if ATTENTION\r
-    if (!cps->useSigint) return;\r
-    if (appData.noChessProgram || (cps->pr == NoProc)) return;\r
-    switch (gameMode) {\r
-      case MachinePlaysWhite:\r
-      case MachinePlaysBlack:\r
-      case TwoMachinesPlay:\r
-      case IcsPlayingWhite:\r
-      case IcsPlayingBlack:\r
-      case AnalyzeMode:\r
-      case AnalyzeFile:\r
-       /* Skip if we know it isn't thinking */\r
-       if (!cps->maybeThinking) return;\r
-       if (appData.debugMode)\r
-         fprintf(debugFP, "Interrupting %s\n", cps->which);\r
-       InterruptChildProcess(cps->pr);\r
-       cps->maybeThinking = FALSE;\r
-       break;\r
-      default:\r
-       break;\r
-    }\r
-#endif /*ATTENTION*/\r
-}\r
-\r
-int\r
-CheckFlags()\r
-{\r
-    if (whiteTimeRemaining <= 0) {\r
-       if (!whiteFlag) {\r
-           whiteFlag = TRUE;\r
-           if (appData.icsActive) {\r
-               if (appData.autoCallFlag &&\r
-                   gameMode == IcsPlayingBlack && !blackFlag) {\r
-                 SendToICS(ics_prefix);\r
-                 SendToICS("flag\n");\r
-               }\r
-           } else {\r
-               if (blackFlag) {\r
-                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));\r
-               } else {\r
-                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));\r
-                   if (appData.autoCallFlag) {\r
-                       GameEnds(BlackWins, "Black wins on time", GE_XBOARD);\r
-                       return TRUE;\r
-                   }\r
-               }\r
-           }\r
-       }\r
-    }\r
-    if (blackTimeRemaining <= 0) {\r
-       if (!blackFlag) {\r
-           blackFlag = TRUE;\r
-           if (appData.icsActive) {\r
-               if (appData.autoCallFlag &&\r
-                   gameMode == IcsPlayingWhite && !whiteFlag) {\r
-                 SendToICS(ics_prefix);\r
-                 SendToICS("flag\n");\r
-               }\r
-           } else {\r
-               if (whiteFlag) {\r
-                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));\r
-               } else {\r
-                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));\r
-                   if (appData.autoCallFlag) {\r
-                       GameEnds(WhiteWins, "White wins on time", GE_XBOARD);\r
-                       return TRUE;\r
-                   }\r
-               }\r
-           }\r
-       }\r
-    }\r
-    return FALSE;\r
-}\r
-\r
-void\r
-CheckTimeControl()\r
-{\r
-    if (!appData.clockMode || appData.icsActive ||\r
-       gameMode == PlayFromGameFile || forwardMostMove == 0) return;\r
-\r
-    /*\r
-     * add time to clocks when time control is achieved ([HGM] now also used for increment)\r
-     */\r
-    if ( !WhiteOnMove(forwardMostMove) )\r
-       /* White made time control */\r
-        whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)\r
-        /* [HGM] time odds: correct new time quota for time odds! */\r
-                                            / WhitePlayer()->timeOdds;\r
-      else\r
-       /* Black made time control */\r
-        blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)\r
-                                            / WhitePlayer()->other->timeOdds;\r
-}\r
-\r
-void\r
-DisplayBothClocks()\r
-{\r
-    int wom = gameMode == EditPosition ?\r
-      !blackPlaysFirst : WhiteOnMove(currentMove);\r
-    DisplayWhiteClock(whiteTimeRemaining, wom);\r
-    DisplayBlackClock(blackTimeRemaining, !wom);\r
-}\r
-\r
-\r
-/* Timekeeping seems to be a portability nightmare.  I think everyone\r
-   has ftime(), but I'm really not sure, so I'm including some ifdefs\r
-   to use other calls if you don't.  Clocks will be less accurate if\r
-   you have neither ftime nor gettimeofday.\r
-*/\r
-\r
-/* VS 2008 requires the #include outside of the function */\r
-#if !HAVE_GETTIMEOFDAY && HAVE_FTIME\r
-#include <sys/timeb.h>\r
-#endif\r
-\r
-/* Get the current time as a TimeMark */\r
-void\r
-GetTimeMark(tm)\r
-     TimeMark *tm;\r
-{\r
-#if HAVE_GETTIMEOFDAY\r
-\r
-    struct timeval timeVal;\r
-    struct timezone timeZone;\r
-\r
-    gettimeofday(&timeVal, &timeZone);\r
-    tm->sec = (long) timeVal.tv_sec; \r
-    tm->ms = (int) (timeVal.tv_usec / 1000L);\r
-\r
-#else /*!HAVE_GETTIMEOFDAY*/\r
-#if HAVE_FTIME\r
-\r
-// include <sys/timeb.h> / moved to just above start of function\r
-    struct timeb timeB;\r
-\r
-    ftime(&timeB);\r
-    tm->sec = (long) timeB.time;\r
-    tm->ms = (int) timeB.millitm;\r
-\r
-#else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/\r
-    tm->sec = (long) time(NULL);\r
-    tm->ms = 0;\r
-#endif\r
-#endif\r
-}\r
-\r
-/* Return the difference in milliseconds between two\r
-   time marks.  We assume the difference will fit in a long!\r
-*/\r
-long\r
-SubtractTimeMarks(tm2, tm1)\r
-     TimeMark *tm2, *tm1;\r
-{\r
-    return 1000L*(tm2->sec - tm1->sec) +\r
-           (long) (tm2->ms - tm1->ms);\r
-}\r
-\r
-\r
-/*\r
- * Code to manage the game clocks.\r
- *\r
- * In tournament play, black starts the clock and then white makes a move.\r
- * We give the human user a slight advantage if he is playing white---the\r
- * clocks don't run until he makes his first move, so it takes zero time.\r
- * Also, we don't account for network lag, so we could get out of sync\r
- * with GNU Chess's clock -- but then, referees are always right.  \r
- */\r
-\r
-static TimeMark tickStartTM;\r
-static long intendedTickLength;\r
-\r
-long\r
-NextTickLength(timeRemaining)\r
-     long timeRemaining;\r
-{\r
-    long nominalTickLength, nextTickLength;\r
-\r
-    if (timeRemaining > 0L && timeRemaining <= 10000L)\r
-      nominalTickLength = 100L;\r
-    else\r
-      nominalTickLength = 1000L;\r
-    nextTickLength = timeRemaining % nominalTickLength;\r
-    if (nextTickLength <= 0) nextTickLength += nominalTickLength;\r
-\r
-    return nextTickLength;\r
-}\r
-\r
-/* Adjust clock one minute up or down */\r
-void\r
-AdjustClock(Boolean which, int dir)\r
-{\r
-    if(which) blackTimeRemaining += 60000*dir;\r
-    else      whiteTimeRemaining += 60000*dir;\r
-    DisplayBothClocks();\r
-}\r
-\r
-/* Stop clocks and reset to a fresh time control */\r
-void\r
-ResetClocks() \r
-{\r
-    (void) StopClockTimer();\r
-    if (appData.icsActive) {\r
-       whiteTimeRemaining = blackTimeRemaining = 0;\r
-    } else { /* [HGM] correct new time quote for time odds */\r
-        whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;\r
-        blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;\r
-    }\r
-    if (whiteFlag || blackFlag) {\r
-       DisplayTitle("");\r
-       whiteFlag = blackFlag = FALSE;\r
-    }\r
-    DisplayBothClocks();\r
-}\r
-\r
-#define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */\r
-\r
-/* Decrement running clock by amount of time that has passed */\r
-void\r
-DecrementClocks()\r
-{\r
-    long timeRemaining;\r
-    long lastTickLength, fudge;\r
-    TimeMark now;\r
-\r
-    if (!appData.clockMode) return;\r
-    if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;\r
-       \r
-    GetTimeMark(&now);\r
-\r
-    lastTickLength = SubtractTimeMarks(&now, &tickStartTM);\r
-\r
-    /* Fudge if we woke up a little too soon */\r
-    fudge = intendedTickLength - lastTickLength;\r
-    if (fudge < 0 || fudge > FUDGE) fudge = 0;\r
-\r
-    if (WhiteOnMove(forwardMostMove)) {\r
-       if(whiteNPS >= 0) lastTickLength = 0;\r
-       timeRemaining = whiteTimeRemaining -= lastTickLength;\r
-       DisplayWhiteClock(whiteTimeRemaining - fudge,\r
-                         WhiteOnMove(currentMove));\r
-    } else {\r
-       if(blackNPS >= 0) lastTickLength = 0;\r
-       timeRemaining = blackTimeRemaining -= lastTickLength;\r
-       DisplayBlackClock(blackTimeRemaining - fudge,\r
-                         !WhiteOnMove(currentMove));\r
-    }\r
-\r
-    if (CheckFlags()) return;\r
-       \r
-    tickStartTM = now;\r
-    intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;\r
-    StartClockTimer(intendedTickLength);\r
-\r
-    /* if the time remaining has fallen below the alarm threshold, sound the\r
-     * alarm. if the alarm has sounded and (due to a takeback or time control\r
-     * with increment) the time remaining has increased to a level above the\r
-     * threshold, reset the alarm so it can sound again. \r
-     */\r
-    \r
-    if (appData.icsActive && appData.icsAlarm) {\r
-\r
-       /* make sure we are dealing with the user's clock */\r
-       if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||\r
-              ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))\r
-          )) return;\r
-\r
-       if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {\r
-           alarmSounded = FALSE;\r
-       } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) { \r
-           PlayAlarmSound();\r
-           alarmSounded = TRUE;\r
-       }\r
-    }\r
-}\r
-\r
-\r
-/* A player has just moved, so stop the previously running\r
-   clock and (if in clock mode) start the other one.\r
-   We redisplay both clocks in case we're in ICS mode, because\r
-   ICS gives us an update to both clocks after every move.\r
-   Note that this routine is called *after* forwardMostMove\r
-   is updated, so the last fractional tick must be subtracted\r
-   from the color that is *not* on move now.\r
-*/\r
-void\r
-SwitchClocks()\r
-{\r
-    long lastTickLength;\r
-    TimeMark now;\r
-    int flagged = FALSE;\r
-\r
-    GetTimeMark(&now);\r
-\r
-    if (StopClockTimer() && appData.clockMode) {\r
-       lastTickLength = SubtractTimeMarks(&now, &tickStartTM);\r
-       if (WhiteOnMove(forwardMostMove)) {\r
-           if(blackNPS >= 0) lastTickLength = 0;\r
-           blackTimeRemaining -= lastTickLength;\r
-           /* [HGM] PGNtime: save time for PGN file if engine did not give it */\r
-//         if(pvInfoList[forwardMostMove-1].time == -1)\r
-                 pvInfoList[forwardMostMove-1].time =               // use GUI time\r
-                      (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;\r
-       } else {\r
-          if(whiteNPS >= 0) lastTickLength = 0;\r
-          whiteTimeRemaining -= lastTickLength;\r
-           /* [HGM] PGNtime: save time for PGN file if engine did not give it */\r
-//         if(pvInfoList[forwardMostMove-1].time == -1)\r
-                 pvInfoList[forwardMostMove-1].time = \r
-                      (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;\r
-       }\r
-       flagged = CheckFlags();\r
-    }\r
-    CheckTimeControl();\r
-\r
-    if (flagged || !appData.clockMode) return;\r
-\r
-    switch (gameMode) {\r
-      case MachinePlaysBlack:\r
-      case MachinePlaysWhite:\r
-      case BeginningOfGame:\r
-       if (pausing) return;\r
-       break;\r
-\r
-      case EditGame:\r
-      case PlayFromGameFile:\r
-      case IcsExamining:\r
-       return;\r
-\r
-      default:\r
-       break;\r
-    }\r
-\r
-    tickStartTM = now;\r
-    intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?\r
-      whiteTimeRemaining : blackTimeRemaining);\r
-    StartClockTimer(intendedTickLength);\r
-}\r
-       \r
-\r
-/* Stop both clocks */\r
-void\r
-StopClocks()\r
-{      \r
-    long lastTickLength;\r
-    TimeMark now;\r
-\r
-    if (!StopClockTimer()) return;\r
-    if (!appData.clockMode) return;\r
-\r
-    GetTimeMark(&now);\r
-\r
-    lastTickLength = SubtractTimeMarks(&now, &tickStartTM);\r
-    if (WhiteOnMove(forwardMostMove)) {\r
-       if(whiteNPS >= 0) lastTickLength = 0;\r
-       whiteTimeRemaining -= lastTickLength;\r
-       DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));\r
-    } else {\r
-       if(blackNPS >= 0) lastTickLength = 0;\r
-       blackTimeRemaining -= lastTickLength;\r
-       DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));\r
-    }\r
-    CheckFlags();\r
-}\r
-       \r
-/* Start clock of player on move.  Time may have been reset, so\r
-   if clock is already running, stop and restart it. */\r
-void\r
-StartClocks()\r
-{\r
-    (void) StopClockTimer(); /* in case it was running already */\r
-    DisplayBothClocks();\r
-    if (CheckFlags()) return;\r
-\r
-    if (!appData.clockMode) return;\r
-    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;\r
-\r
-    GetTimeMark(&tickStartTM);\r
-    intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?\r
-      whiteTimeRemaining : blackTimeRemaining);\r
-\r
-   /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */\r
-    whiteNPS = blackNPS = -1; \r
-    if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'\r
-       || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white\r
-       whiteNPS = first.nps;\r
-    if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'\r
-       || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black\r
-       blackNPS = first.nps;\r
-    if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode\r
-       whiteNPS = second.nps;\r
-    if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')\r
-       blackNPS = second.nps;\r
-    if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);\r
-\r
-    StartClockTimer(intendedTickLength);\r
-}\r
-\r
-char *\r
-TimeString(ms)\r
-     long ms;\r
-{\r
-    long second, minute, hour, day;\r
-    char *sign = "";\r
-    static char buf[32];\r
-    \r
-    if (ms > 0 && ms <= 9900) {\r
-      /* convert milliseconds to tenths, rounding up */\r
-      double tenths = floor( ((double)(ms + 99L)) / 100.00 );\r
-\r
-      sprintf(buf, " %03.1f ", tenths/10.0);\r
-      return buf;\r
-    }\r
-\r
-    /* convert milliseconds to seconds, rounding up */\r
-    /* use floating point to avoid strangeness of integer division\r
-       with negative dividends on many machines */\r
-    second = (long) floor(((double) (ms + 999L)) / 1000.0);\r
-\r
-    if (second < 0) {\r
-       sign = "-";\r
-       second = -second;\r
-    }\r
-    \r
-    day = second / (60 * 60 * 24);\r
-    second = second % (60 * 60 * 24);\r
-    hour = second / (60 * 60);\r
-    second = second % (60 * 60);\r
-    minute = second / 60;\r
-    second = second % 60;\r
-    \r
-    if (day > 0)\r
-      sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",\r
-             sign, day, hour, minute, second);\r
-    else if (hour > 0)\r
-      sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);\r
-    else\r
-      sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);\r
-    \r
-    return buf;\r
-}\r
-\r
-\r
-/*\r
- * This is necessary because some C libraries aren't ANSI C compliant yet.\r
- */\r
-char *\r
-StrStr(string, match)\r
-     char *string, *match;\r
-{\r
-    int i, length;\r
-    \r
-    length = strlen(match);\r
-    \r
-    for (i = strlen(string) - length; i >= 0; i--, string++)\r
-      if (!strncmp(match, string, length))\r
-       return string;\r
-    \r
-    return NULL;\r
-}\r
-\r
-char *\r
-StrCaseStr(string, match)\r
-     char *string, *match;\r
-{\r
-    int i, j, length;\r
-    \r
-    length = strlen(match);\r
-    \r
-    for (i = strlen(string) - length; i >= 0; i--, string++) {\r
-       for (j = 0; j < length; j++) {\r
-           if (ToLower(match[j]) != ToLower(string[j]))\r
-             break;\r
-       }\r
-       if (j == length) return string;\r
-    }\r
-\r
-    return NULL;\r
-}\r
-\r
-#ifndef _amigados\r
-int\r
-StrCaseCmp(s1, s2)\r
-     char *s1, *s2;\r
-{\r
-    char c1, c2;\r
-    \r
-    for (;;) {\r
-       c1 = ToLower(*s1++);\r
-       c2 = ToLower(*s2++);\r
-       if (c1 > c2) return 1;\r
-       if (c1 < c2) return -1;\r
-       if (c1 == NULLCHAR) return 0;\r
-    }\r
-}\r
-\r
-\r
-int\r
-ToLower(c)\r
-     int c;\r
-{\r
-    return isupper(c) ? tolower(c) : c;\r
-}\r
-\r
-\r
-int\r
-ToUpper(c)\r
-     int c;\r
-{\r
-    return islower(c) ? toupper(c) : c;\r
-}\r
-#endif /* !_amigados   */\r
-\r
-char *\r
-StrSave(s)\r
-     char *s;\r
-{\r
-    char *ret;\r
-\r
-    if ((ret = (char *) malloc(strlen(s) + 1))) {\r
-       strcpy(ret, s);\r
-    }\r
-    return ret;\r
-}\r
-\r
-char *\r
-StrSavePtr(s, savePtr)\r
-     char *s, **savePtr;\r
-{\r
-    if (*savePtr) {\r
-       free(*savePtr);\r
-    }\r
-    if ((*savePtr = (char *) malloc(strlen(s) + 1))) {\r
-       strcpy(*savePtr, s);\r
-    }\r
-    return(*savePtr);\r
-}\r
-\r
-char *\r
-PGNDate()\r
-{\r
-    time_t clock;\r
-    struct tm *tm;\r
-    char buf[MSG_SIZ];\r
-\r
-    clock = time((time_t *)NULL);\r
-    tm = localtime(&clock);\r
-    sprintf(buf, "%04d.%02d.%02d",\r
-           tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);\r
-    return StrSave(buf);\r
-}\r
-\r
-\r
-char *\r
-PositionToFEN(move, overrideCastling)\r
-     int move;\r
-     char *overrideCastling;\r
-{\r
-    int i, j, fromX, fromY, toX, toY;\r
-    int whiteToPlay;\r
-    char buf[128];\r
-    char *p, *q;\r
-    int emptycount;\r
-    ChessSquare piece;\r
-\r
-    whiteToPlay = (gameMode == EditPosition) ?\r
-      !blackPlaysFirst : (move % 2 == 0);\r
-    p = buf;\r
-\r
-    /* Piece placement data */\r
-    for (i = BOARD_HEIGHT - 1; i >= 0; i--) {\r
-       emptycount = 0;\r
-        for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {\r
-           if (boards[move][i][j] == EmptySquare) {\r
-               emptycount++;\r
-            } else { ChessSquare piece = boards[move][i][j];\r
-               if (emptycount > 0) {\r
-                    if(emptycount<10) /* [HGM] can be >= 10 */\r
-                        *p++ = '0' + emptycount;\r
-                    else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }\r
-                   emptycount = 0;\r
-               }\r
-                if(PieceToChar(piece) == '+') {\r
-                    /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */\r
-                    *p++ = '+';\r
-                    piece = (ChessSquare)(DEMOTED piece);\r
-                } \r
-                *p++ = PieceToChar(piece);\r
-                if(p[-1] == '~') {\r
-                    /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */\r
-                    p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));\r
-                    *p++ = '~';\r
-                }\r
-           }\r
-       }\r
-       if (emptycount > 0) {\r
-            if(emptycount<10) /* [HGM] can be >= 10 */\r
-                *p++ = '0' + emptycount;\r
-            else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }\r
-           emptycount = 0;\r
-       }\r
-       *p++ = '/';\r
-    }\r
-    *(p - 1) = ' ';\r
-\r
-    /* [HGM] print Crazyhouse or Shogi holdings */\r
-    if( gameInfo.holdingsWidth ) {\r
-        *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */\r
-        q = p;\r
-        for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */\r
-            piece = boards[move][i][BOARD_WIDTH-1];\r
-            if( piece != EmptySquare )\r
-              for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)\r
-                  *p++ = PieceToChar(piece);\r
-        }\r
-        for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */\r
-            piece = boards[move][BOARD_HEIGHT-i-1][0];\r
-            if( piece != EmptySquare )\r
-              for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)\r
-                  *p++ = PieceToChar(piece);\r
-        }\r
-\r
-        if( q == p ) *p++ = '-';\r
-        *p++ = ']';\r
-        *p++ = ' ';\r
-    }\r
-\r
-    /* Active color */\r
-    *p++ = whiteToPlay ? 'w' : 'b';\r
-    *p++ = ' ';\r
-\r
-  if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines\r
-    while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';\r
-  } else {\r
-  if(nrCastlingRights) {\r
-     q = p;\r
-     if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {\r
-       /* [HGM] write directly from rights */\r
-           if(castlingRights[move][2] >= 0 &&\r
-              castlingRights[move][0] >= 0   )\r
-                *p++ = castlingRights[move][0] + AAA + 'A' - 'a';\r
-           if(castlingRights[move][2] >= 0 &&\r
-              castlingRights[move][1] >= 0   )\r
-                *p++ = castlingRights[move][1] + AAA + 'A' - 'a';\r
-           if(castlingRights[move][5] >= 0 &&\r
-              castlingRights[move][3] >= 0   )\r
-                *p++ = castlingRights[move][3] + AAA;\r
-           if(castlingRights[move][5] >= 0 &&\r
-              castlingRights[move][4] >= 0   )\r
-                *p++ = castlingRights[move][4] + AAA;\r
-     } else {\r
-\r
-        /* [HGM] write true castling rights */\r
-        if( nrCastlingRights == 6 ) {\r
-            if(castlingRights[move][0] == BOARD_RGHT-1 &&\r
-               castlingRights[move][2] >= 0  ) *p++ = 'K';\r
-            if(castlingRights[move][1] == BOARD_LEFT &&\r
-               castlingRights[move][2] >= 0  ) *p++ = 'Q';\r
-            if(castlingRights[move][3] == BOARD_RGHT-1 &&\r
-               castlingRights[move][5] >= 0  ) *p++ = 'k';\r
-            if(castlingRights[move][4] == BOARD_LEFT &&\r
-               castlingRights[move][5] >= 0  ) *p++ = 'q';\r
-        }\r
-     }\r
-     if (q == p) *p++ = '-'; /* No castling rights */\r
-     *p++ = ' ';\r
-  }\r
-\r
-  if(gameInfo.variant != VariantShogi    && gameInfo.variant != VariantXiangqi &&\r
-     gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) { \r
-    /* En passant target square */\r
-    if (move > backwardMostMove) {\r
-        fromX = moveList[move - 1][0] - AAA;\r
-        fromY = moveList[move - 1][1] - ONE;\r
-        toX = moveList[move - 1][2] - AAA;\r
-        toY = moveList[move - 1][3] - ONE;\r
-       if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&\r
-           toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&\r
-           boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&\r
-           fromX == toX) {\r
-           /* 2-square pawn move just happened */\r
-            *p++ = toX + AAA;\r
-           *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';\r
-       } else {\r
-           *p++ = '-';\r
-       }\r
-    } else {\r
-       *p++ = '-';\r
-    }\r
-    *p++ = ' ';\r
-  }\r
-  }\r
-\r
-    /* [HGM] find reversible plies */\r
-    {   int i = 0, j=move;\r
-\r
-        if (appData.debugMode) { int k;\r
-            fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);\r
-            for(k=backwardMostMove; k<=forwardMostMove; k++)\r
-                fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);\r
-\r
-        }\r
-\r
-        while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;\r
-        if( j == backwardMostMove ) i += initialRulePlies;\r
-        sprintf(p, "%d ", i);\r
-        p += i>=100 ? 4 : i >= 10 ? 3 : 2;\r
-    }\r
-    /* Fullmove number */\r
-    sprintf(p, "%d", (move / 2) + 1);\r
-    \r
-    return StrSave(buf);\r
-}\r
-\r
-Boolean\r
-ParseFEN(board, blackPlaysFirst, fen)\r
-    Board board;\r
-     int *blackPlaysFirst;\r
-     char *fen;\r
-{\r
-    int i, j;\r
-    char *p;\r
-    int emptycount;\r
-    ChessSquare piece;\r
-\r
-    p = fen;\r
-\r
-    /* [HGM] by default clear Crazyhouse holdings, if present */\r
-    if(gameInfo.holdingsWidth) {\r
-       for(i=0; i<BOARD_HEIGHT; i++) {\r
-           board[i][0]             = EmptySquare; /* black holdings */\r
-           board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */\r
-           board[i][1]             = (ChessSquare) 0; /* black counts */\r
-           board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */\r
-       }\r
-    }\r
-\r
-    /* Piece placement data */\r
-    for (i = BOARD_HEIGHT - 1; i >= 0; i--) {\r
-       j = 0;\r
-       for (;;) {\r
-            if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {\r
-                if (*p == '/') p++;\r
-                emptycount = gameInfo.boardWidth - j;\r
-                while (emptycount--)\r
-                        board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;\r
-               break;\r
-#if(BOARD_SIZE >= 10)\r
-            } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */\r
-                p++; emptycount=10;\r
-                if (j + emptycount > gameInfo.boardWidth) return FALSE;\r
-                while (emptycount--)\r
-                        board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;\r
-#endif\r
-            } else if (isdigit(*p)) {\r
-               emptycount = *p++ - '0';\r
-                while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */\r
-                if (j + emptycount > gameInfo.boardWidth) return FALSE;\r
-                while (emptycount--)\r
-                        board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;\r
-            } else if (*p == '+' || isalpha(*p)) {\r
-                if (j >= gameInfo.boardWidth) return FALSE;\r
-                if(*p=='+') {\r
-                    piece = CharToPiece(*++p);\r
-                    if(piece == EmptySquare) return FALSE; /* unknown piece */\r
-                    piece = (ChessSquare) (PROMOTED piece ); p++;\r
-                    if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */\r
-                } else piece = CharToPiece(*p++);\r
-\r
-                if(piece==EmptySquare) return FALSE; /* unknown piece */\r
-                if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */\r
-                    piece = (ChessSquare) (PROMOTED piece);\r
-                    if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */\r
-                    p++;\r
-                }\r
-                board[i][(j++)+gameInfo.holdingsWidth] = piece;\r
-           } else {\r
-               return FALSE;\r
-           }\r
-       }\r
-    }\r
-    while (*p == '/' || *p == ' ') p++;\r
-\r
-    /* [HGM] look for Crazyhouse holdings here */\r
-    while(*p==' ') p++;\r
-    if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {\r
-        if(*p == '[') p++;\r
-        if(*p == '-' ) *p++; /* empty holdings */ else {\r
-            if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */\r
-            /* if we would allow FEN reading to set board size, we would   */\r
-            /* have to add holdings and shift the board read so far here   */\r
-            while( (piece = CharToPiece(*p) ) != EmptySquare ) {\r
-                *p++;\r
-                if((int) piece >= (int) BlackPawn ) {\r
-                    i = (int)piece - (int)BlackPawn;\r
-                   i = PieceToNumber((ChessSquare)i);\r
-                    if( i >= gameInfo.holdingsSize ) return FALSE;\r
-                    board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */\r
-                    board[BOARD_HEIGHT-1-i][1]++;       /* black counts   */\r
-                } else {\r
-                    i = (int)piece - (int)WhitePawn;\r
-                   i = PieceToNumber((ChessSquare)i);\r
-                    if( i >= gameInfo.holdingsSize ) return FALSE;\r
-                    board[i][BOARD_WIDTH-1] = piece;    /* white holdings */\r
-                    board[i][BOARD_WIDTH-2]++;          /* black holdings */\r
-                }\r
-            }\r
-        }\r
-        if(*p == ']') *p++;\r
-    }\r
-\r
-    while(*p == ' ') p++;\r
-\r
-    /* Active color */\r
-    switch (*p++) {\r
-      case 'w':\r
-        *blackPlaysFirst = FALSE;\r
-       break;\r
-      case 'b': \r
-       *blackPlaysFirst = TRUE;\r
-       break;\r
-      default:\r
-       return FALSE;\r
-    }\r
-\r
-    /* [HGM] We NO LONGER ignore the rest of the FEN notation */\r
-    /* return the extra info in global variiables             */\r
-\r
-    /* set defaults in case FEN is incomplete */\r
-    FENepStatus = EP_UNKNOWN;\r
-    for(i=0; i<nrCastlingRights; i++ ) {\r
-        FENcastlingRights[i] =\r
-            gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];\r
-    }   /* assume possible unless obviously impossible */\r
-    if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;\r
-    if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;\r
-    if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;\r
-    if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;\r
-    if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;\r
-    if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;\r
-    FENrulePlies = 0;\r
-\r
-    while(*p==' ') p++;\r
-    if(nrCastlingRights) {\r
-      if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {\r
-          /* castling indicator present, so default becomes no castlings */\r
-          for(i=0; i<nrCastlingRights; i++ ) {\r
-                 FENcastlingRights[i] = -1;\r
-          }\r
-      }\r
-      while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||\r
-             (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&\r
-             ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||\r
-             ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth)   ) {\r
-        char c = *p++; int whiteKingFile=-1, blackKingFile=-1;\r
-\r
-        for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {\r
-            if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;\r
-            if(board[0             ][i] == WhiteKing) whiteKingFile = i;\r
-        }\r
-        switch(c) {\r
-          case'K':\r
-              for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);\r
-              FENcastlingRights[0] = i != whiteKingFile ? i : -1;\r
-              FENcastlingRights[2] = whiteKingFile;\r
-              break;\r
-          case'Q':\r
-              for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);\r
-              FENcastlingRights[1] = i != whiteKingFile ? i : -1;\r
-              FENcastlingRights[2] = whiteKingFile;\r
-              break;\r
-          case'k':\r
-              for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);\r
-              FENcastlingRights[3] = i != blackKingFile ? i : -1;\r
-              FENcastlingRights[5] = blackKingFile;\r
-              break;\r
-          case'q':\r
-              for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);\r
-              FENcastlingRights[4] = i != blackKingFile ? i : -1;\r
-              FENcastlingRights[5] = blackKingFile;\r
-          case '-':\r
-              break;\r
-          default: /* FRC castlings */\r
-              if(c >= 'a') { /* black rights */\r
-                  for(i=BOARD_LEFT; i<BOARD_RGHT; i++)\r
-                    if(board[BOARD_HEIGHT-1][i] == BlackKing) break;\r
-                  if(i == BOARD_RGHT) break;\r
-                  FENcastlingRights[5] = i;\r
-                  c -= AAA;\r
-                  if(board[BOARD_HEIGHT-1][c] <  BlackPawn ||\r
-                     board[BOARD_HEIGHT-1][c] >= BlackKing   ) break;\r
-                  if(c > i)\r
-                      FENcastlingRights[3] = c;\r
-                  else\r
-                      FENcastlingRights[4] = c;\r
-              } else { /* white rights */\r
-                  for(i=BOARD_LEFT; i<BOARD_RGHT; i++)\r
-                    if(board[0][i] == WhiteKing) break;\r
-                  if(i == BOARD_RGHT) break;\r
-                  FENcastlingRights[2] = i;\r
-                  c -= AAA - 'a' + 'A';\r
-                  if(board[0][c] >= WhiteKing) break;\r
-                  if(c > i)\r
-                      FENcastlingRights[0] = c;\r
-                  else\r
-                      FENcastlingRights[1] = c;\r
-              }\r
-        }\r
-      }\r
-    if (appData.debugMode) {\r
-        fprintf(debugFP, "FEN castling rights:");\r
-        for(i=0; i<nrCastlingRights; i++)\r
-        fprintf(debugFP, " %d", FENcastlingRights[i]);\r
-        fprintf(debugFP, "\n");\r
-    }\r
-\r
-      while(*p==' ') p++;\r
-    }\r
-\r
-    /* read e.p. field in games that know e.p. capture */\r
-    if(gameInfo.variant != VariantShogi    && gameInfo.variant != VariantXiangqi &&\r
-       gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) { \r
-      if(*p=='-') {\r
-        p++; FENepStatus = EP_NONE;\r
-      } else {\r
-         char c = *p++ - AAA;\r
-\r
-         if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;\r
-         if(*p >= '0' && *p <='9') *p++;\r
-         FENepStatus = c;\r
-      }\r
-    }\r
-\r
-\r
-    if(sscanf(p, "%d", &i) == 1) {\r
-        FENrulePlies = i; /* 50-move ply counter */\r
-        /* (The move number is still ignored)    */\r
-    }\r
-\r
-    return TRUE;\r
-}\r
-      \r
-void\r
-EditPositionPasteFEN(char *fen)\r
-{\r
-  if (fen != NULL) {\r
-    Board initial_position;\r
-\r
-    if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {\r
-      DisplayError(_("Bad FEN position in clipboard"), 0);\r
-      return ;\r
-    } else {\r
-      int savedBlackPlaysFirst = blackPlaysFirst;\r
-      EditPositionEvent();\r
-      blackPlaysFirst = savedBlackPlaysFirst;\r
-      CopyBoard(boards[0], initial_position);\r
-          /* [HGM] copy FEN attributes as well */\r
-          {   int i;\r
-              initialRulePlies = FENrulePlies;\r
-              epStatus[0] = FENepStatus;\r
-              for( i=0; i<nrCastlingRights; i++ )\r
-                  castlingRights[0][i] = FENcastlingRights[i];\r
-          }\r
-      EditPositionDone();\r
-      DisplayBothClocks();\r
-      DrawPosition(FALSE, boards[currentMove]);\r
-    }\r
-  }\r
-}\r
+/*
+ * backend.c -- Common back end for X and Windows NT versions of
+ * XBoard $Id: backend.c,v 2.6 2003/11/28 09:37:36 mann Exp $
+ *
+ * Copyright 1991 by Digital Equipment Corporation, Maynard,
+ * Massachusetts.  Enhancements Copyright
+ * 1992-2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software
+ * Foundation, Inc.
+ *
+ * The following terms apply to Digital Equipment Corporation's copyright
+ * interest in XBoard:
+ * ------------------------------------------------------------------------
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Digital not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ *
+ * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * ------------------------------------------------------------------------
+ *
+ * The following terms apply to the enhanced version of XBoard
+ * distributed by the Free Software Foundation:
+ * ------------------------------------------------------------------------
+ *
+ * GNU XBoard is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU XBoard is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.  *
+ *
+ *------------------------------------------------------------------------
+ ** See the file ChangeLog for a revision history.  */
+
+/* [AS] Also useful here for debugging */
+#ifdef WIN32
+#include <windows.h>
+
+#define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
+
+#else
+
+#define DoSleep( n ) if( (n) >= 0) sleep(n)
+
+#endif
+
+#include "config.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <math.h>
+#include <ctype.h>
+
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <string.h>
+#else /* not STDC_HEADERS */
+# if HAVE_STRING_H
+#  include <string.h>
+# else /* not HAVE_STRING_H */
+#  include <strings.h>
+# endif /* not HAVE_STRING_H */
+#endif /* not STDC_HEADERS */
+
+#if HAVE_SYS_FCNTL_H
+# include <sys/fcntl.h>
+#else /* not HAVE_SYS_FCNTL_H */
+# if HAVE_FCNTL_H
+#  include <fcntl.h>
+# endif /* HAVE_FCNTL_H */
+#endif /* not HAVE_SYS_FCNTL_H */
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+
+#if defined(_amigados) && !defined(__GNUC__)
+struct timezone {
+    int tz_minuteswest;
+    int tz_dsttime;
+};
+extern int gettimeofday(struct timeval *, struct timezone *);
+#endif
+
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include "common.h"
+#include "frontend.h"
+#include "backend.h"
+#include "parser.h"
+#include "moves.h"
+#if ZIPPY
+# include "zippy.h"
+#endif
+#include "backendz.h"
+#include "gettext.h" 
+#ifdef ENABLE_NLS 
+# define _(s) gettext (s) 
+# define N_(s) gettext_noop (s) 
+#else 
+# define _(s) (s) 
+# define N_(s) s 
+#endif 
+
+
+/* A point in time */
+typedef struct {
+    long sec;  /* Assuming this is >= 32 bits */
+    int ms;    /* Assuming this is >= 16 bits */
+} TimeMark;
+
+int establish P((void));
+void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
+                        char *buf, int count, int error));
+void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
+                     char *buf, int count, int error));
+void SendToICS P((char *s));
+void SendToICSDelayed P((char *s, long msdelay));
+void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
+                     int toX, int toY));
+void InitPosition P((int redraw));
+void HandleMachineMove P((char *message, ChessProgramState *cps));
+int AutoPlayOneMove P((void));
+int LoadGameOneMove P((ChessMove readAhead));
+int LoadGameFromFile P((char *filename, int n, char *title, int useList));
+int LoadPositionFromFile P((char *filename, int n, char *title));
+int SavePositionToFile P((char *filename));
+void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
+                 Board board, char *castle, char *ep));
+void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
+void ShowMove P((int fromX, int fromY, int toX, int toY));
+int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
+                  /*char*/int promoChar));
+void BackwardInner P((int target));
+void ForwardInner P((int target));
+void GameEnds P((ChessMove result, char *resultDetails, int whosays));
+void EditPositionDone P((void));
+void PrintOpponents P((FILE *fp));
+void PrintPosition P((FILE *fp, int move));
+void StartChessProgram P((ChessProgramState *cps));
+void SendToProgram P((char *message, ChessProgramState *cps));
+void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
+void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
+                          char *buf, int count, int error));
+void SendTimeControl P((ChessProgramState *cps,
+                       int mps, long tc, int inc, int sd, int st));
+char *TimeControlTagValue P((void));
+void Attention P((ChessProgramState *cps));
+void FeedMovesToProgram P((ChessProgramState *cps, int upto));
+void ResurrectChessProgram P((void));
+void DisplayComment P((int moveNumber, char *text));
+void DisplayMove P((int moveNumber));
+void DisplayAnalysis P((void));
+
+void ParseGameHistory P((char *game));
+void ParseBoard12 P((char *string));
+void StartClocks P((void));
+void SwitchClocks P((void));
+void StopClocks P((void));
+void ResetClocks P((void));
+char *PGNDate P((void));
+void SetGameInfo P((void));
+Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
+int RegisterMove P((void));
+void MakeRegisteredMove P((void));
+void TruncateGame P((void));
+int looking_at P((char *, int *, char *));
+void CopyPlayerNameIntoFileName P((char **, char *));
+char *SavePart P((char *));
+int SaveGameOldStyle P((FILE *));
+int SaveGamePGN P((FILE *));
+void GetTimeMark P((TimeMark *));
+long SubtractTimeMarks P((TimeMark *, TimeMark *));
+int CheckFlags P((void));
+long NextTickLength P((long));
+void CheckTimeControl P((void));
+void show_bytes P((FILE *, char *, int));
+int string_to_rating P((char *str));
+void ParseFeatures P((char* args, ChessProgramState *cps));
+void InitBackEnd3 P((void));
+void FeatureDone P((ChessProgramState* cps, int val));
+void InitChessProgram P((ChessProgramState *cps, int setup));
+void OutputKibitz(int window, char *text);
+int PerpetualChase(int first, int last);
+int EngineOutputIsUp();
+void InitDrawingSizes(int x, int y);
+
+#ifdef WIN32
+       extern void ConsoleCreate();
+#endif
+
+ChessProgramState *WhitePlayer();
+void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
+int VerifyDisplayMode P(());
+
+char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
+void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
+char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
+char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
+extern char installDir[MSG_SIZ];
+
+extern int tinyLayout, smallLayout;
+ChessProgramStats programStats;
+static int exiting = 0; /* [HGM] moved to top */
+static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
+int startedFromPositionFile = FALSE; Board filePosition;       /* [HGM] loadPos */
+char endingGame = 0;    /* [HGM] crash: flag to prevent recursion of GameEnds() */
+int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS     */
+VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
+int lastIndex = 0;      /* [HGM] autoinc: last game/position used in match mode */
+int opponentKibitzes;
+
+/* States for ics_getting_history */
+#define H_FALSE 0
+#define H_REQUESTED 1
+#define H_GOT_REQ_HEADER 2
+#define H_GOT_UNREQ_HEADER 3
+#define H_GETTING_MOVES 4
+#define H_GOT_UNWANTED_HEADER 5
+
+/* whosays values for GameEnds */
+#define GE_ICS 0
+#define GE_ENGINE 1
+#define GE_PLAYER 2
+#define GE_FILE 3
+#define GE_XBOARD 4
+#define GE_ENGINE1 5
+#define GE_ENGINE2 6
+
+/* Maximum number of games in a cmail message */
+#define CMAIL_MAX_GAMES 20
+
+/* Different types of move when calling RegisterMove */
+#define CMAIL_MOVE   0
+#define CMAIL_RESIGN 1
+#define CMAIL_DRAW   2
+#define CMAIL_ACCEPT 3
+
+/* Different types of result to remember for each game */
+#define CMAIL_NOT_RESULT 0
+#define CMAIL_OLD_RESULT 1
+#define CMAIL_NEW_RESULT 2
+
+/* Telnet protocol constants */
+#define TN_WILL 0373
+#define TN_WONT 0374
+#define TN_DO   0375
+#define TN_DONT 0376
+#define TN_IAC  0377
+#define TN_ECHO 0001
+#define TN_SGA  0003
+#define TN_PORT 23
+
+/* [AS] */
+static char * safeStrCpy( char * dst, const char * src, size_t count )
+{
+    assert( dst != NULL );
+    assert( src != NULL );
+    assert( count > 0 );
+
+    strncpy( dst, src, count );
+    dst[ count-1 ] = '\0';
+    return dst;
+}
+
+#if 0
+//[HGM] for future use? Conditioned out for now to suppress warning.
+static char * safeStrCat( char * dst, const char * src, size_t count )
+{
+    size_t  dst_len;
+
+    assert( dst != NULL );
+    assert( src != NULL );
+    assert( count > 0 );
+
+    dst_len = strlen(dst);
+
+    assert( count > dst_len ); /* Buffer size must be greater than current length */
+
+    safeStrCpy( dst + dst_len, src, count - dst_len );
+
+    return dst;
+}
+#endif
+
+/* Some compiler can't cast u64 to double
+ * This function do the job for us:
+
+ * We use the highest bit for cast, this only
+ * works if the highest bit is not
+ * in use (This should not happen)
+ *
+ * We used this for all compiler
+ */
+double
+u64ToDouble(u64 value)
+{
+  double r;
+  u64 tmp = value & u64Const(0x7fffffffffffffff);
+  r = (double)(s64)tmp;
+  if (value & u64Const(0x8000000000000000))
+       r +=  9.2233720368547758080e18; /* 2^63 */
+ return r;
+}
+
+/* Fake up flags for now, as we aren't keeping track of castling
+   availability yet. [HGM] Change of logic: the flag now only
+   indicates the type of castlings allowed by the rule of the game.
+   The actual rights themselves are maintained in the array
+   castlingRights, as part of the game history, and are not probed
+   by this function.
+ */
+int
+PosFlags(index)
+{
+  int flags = F_ALL_CASTLE_OK;
+  if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
+  switch (gameInfo.variant) {
+  case VariantSuicide:
+    flags &= ~F_ALL_CASTLE_OK;
+  case VariantGiveaway:                // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
+    flags |= F_IGNORE_CHECK;
+  case VariantLosers:
+    flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
+    break;
+  case VariantAtomic:
+    flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
+    break;
+  case VariantKriegspiel:
+    flags |= F_KRIEGSPIEL_CAPTURE;
+    break;
+  case VariantCapaRandom: 
+  case VariantFischeRandom:
+    flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
+  case VariantNoCastle:
+  case VariantShatranj:
+  case VariantCourier:
+    flags &= ~F_ALL_CASTLE_OK;
+    break;
+  default:
+    break;
+  }
+  return flags;
+}
+
+FILE *gameFileFP, *debugFP;
+
+/* 
+    [AS] Note: sometimes, the sscanf() function is used to parse the input
+    into a fixed-size buffer. Because of this, we must be prepared to
+    receive strings as long as the size of the input buffer, which is currently
+    set to 4K for Windows and 8K for the rest.
+    So, we must either allocate sufficiently large buffers here, or
+    reduce the size of the input buffer in the input reading part.
+*/
+
+char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
+char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
+char thinkOutput1[MSG_SIZ*10];
+
+ChessProgramState first, second;
+
+/* premove variables */
+int premoveToX = 0;
+int premoveToY = 0;
+int premoveFromX = 0;
+int premoveFromY = 0;
+int premovePromoChar = 0;
+int gotPremove = 0;
+Boolean alarmSounded;
+/* end premove variables */
+
+char *ics_prefix = "$";
+int ics_type = ICS_GENERIC;
+
+int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
+int pauseExamForwardMostMove = 0;
+int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
+int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
+int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
+int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
+int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
+int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
+int whiteFlag = FALSE, blackFlag = FALSE;
+int userOfferedDraw = FALSE;
+int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
+int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
+int cmailMoveType[CMAIL_MAX_GAMES];
+long ics_clock_paused = 0;
+ProcRef icsPR = NoProc, cmailPR = NoProc;
+InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
+GameMode gameMode = BeginningOfGame;
+char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
+char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
+ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
+int hiddenThinkOutputState = 0; /* [AS] */
+int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
+int adjudicateLossPlies = 6;
+char white_holding[64], black_holding[64];
+TimeMark lastNodeCountTime;
+long lastNodeCount=0;
+int have_sent_ICS_logon = 0;
+int movesPerSession;
+long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
+long timeControl_2; /* [AS] Allow separate time controls */
+char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
+long timeRemaining[2][MAX_MOVES];
+int matchGame = 0;
+TimeMark programStartTime;
+char ics_handle[MSG_SIZ];
+int have_set_title = 0;
+
+/* animateTraining preserves the state of appData.animate
+ * when Training mode is activated. This allows the
+ * response to be animated when appData.animate == TRUE and
+ * appData.animateDragging == TRUE.
+ */
+Boolean animateTraining;
+
+GameInfo gameInfo;
+
+AppData appData;
+
+Board boards[MAX_MOVES];
+/* [HGM] Following 7 needed for accurate legality tests: */
+char  epStatus[MAX_MOVES];
+char  castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
+char  castlingRank[BOARD_SIZE]; // and corresponding ranks
+char  initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
+int   nrCastlingRights; // For TwoKings, or to implement castling-unknown status
+int   initialRulePlies, FENrulePlies;
+char  FENepStatus;
+FILE  *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
+int loadFlag = 0; 
+int shuffleOpenings;
+
+ChessSquare  FIDEArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
+       WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackBishop, BlackQueen,
+       BlackKing, BlackBishop, BlackKnight, BlackRook }
+};
+
+ChessSquare twoKingsArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
+       WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackBishop, BlackQueen,
+        BlackKing, BlackKing, BlackKnight, BlackRook }
+};
+
+ChessSquare  KnightmateArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
+        WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
+    { BlackRook, BlackMan, BlackBishop, BlackQueen,
+        BlackUnicorn, BlackBishop, BlackMan, BlackRook }
+};
+
+ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
+    { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
+        WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
+    { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
+       BlackKing, BlackBishop, BlackKnight, BlackRook }
+};
+
+ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
+    { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
+        WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackAlfil, BlackKing,
+        BlackFerz, BlackAlfil, BlackKnight, BlackRook }
+};
+
+
+#if (BOARD_SIZE>=10)
+ChessSquare ShogiArray[2][BOARD_SIZE] = {
+    { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
+        WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
+    { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
+        BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
+};
+
+ChessSquare XiangqiArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
+        WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
+        BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
+};
+
+ChessSquare CapablancaArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen, 
+        WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen, 
+        BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
+};
+
+ChessSquare GreatArray[2][BOARD_SIZE] = {
+    { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing, 
+        WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
+    { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing, 
+        BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
+};
+
+ChessSquare JanusArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing, 
+        WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
+    { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing, 
+        BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
+};
+
+#ifdef GOTHIC
+ChessSquare GothicArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall, 
+        WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall, 
+        BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
+};
+#else // !GOTHIC
+#define GothicArray CapablancaArray
+#endif // !GOTHIC
+
+#ifdef FALCON
+ChessSquare FalconArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen, 
+        WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen, 
+        BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
+};
+#else // !FALCON
+#define FalconArray CapablancaArray
+#endif // !FALCON
+
+#else // !(BOARD_SIZE>=10)
+#define XiangqiPosition FIDEArray
+#define CapablancaArray FIDEArray
+#define GothicArray FIDEArray
+#define GreatArray FIDEArray
+#endif // !(BOARD_SIZE>=10)
+
+#if (BOARD_SIZE>=12)
+ChessSquare CourierArray[2][BOARD_SIZE] = {
+    { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
+        WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
+    { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
+        BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
+};
+#else // !(BOARD_SIZE>=12)
+#define CourierArray CapablancaArray
+#endif // !(BOARD_SIZE>=12)
+
+
+Board initialPosition;
+
+
+/* Convert str to a rating. Checks for special cases of "----",
+
+   "++++", etc. Also strips ()'s */
+int
+string_to_rating(str)
+  char *str;
+{
+  while(*str && !isdigit(*str)) ++str;
+  if (!*str)
+    return 0;  /* One of the special "no rating" cases */
+  else
+    return atoi(str);
+}
+
+void
+ClearProgramStats()
+{
+    /* Init programStats */
+    programStats.movelist[0] = 0;
+    programStats.depth = 0;
+    programStats.nr_moves = 0;
+    programStats.moves_left = 0;
+    programStats.nodes = 0;
+    programStats.time = -1;        // [HGM] PGNtime: make invalid to recognize engine output
+    programStats.score = 0;
+    programStats.got_only_move = 0;
+    programStats.got_fail = 0;
+    programStats.line_is_book = 0;
+}
+
+void
+InitBackEnd1()
+{
+    int matched, min, sec;
+
+    ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
+
+    GetTimeMark(&programStartTime);
+    srand(programStartTime.ms); // [HGM] book: makes sure random is unpredictabe to msec level
+
+    ClearProgramStats();
+    programStats.ok_to_send = 1;
+    programStats.seen_stat = 0;
+
+    /*
+     * Initialize game list
+     */
+    ListNew(&gameList);
+
+
+    /*
+     * Internet chess server status
+     */
+    if (appData.icsActive) {
+       appData.matchMode = FALSE;
+       appData.matchGames = 0;
+#if ZIPPY      
+       appData.noChessProgram = !appData.zippyPlay;
+#else
+       appData.zippyPlay = FALSE;
+       appData.zippyTalk = FALSE;
+       appData.noChessProgram = TRUE;
+#endif
+       if (*appData.icsHelper != NULLCHAR) {
+           appData.useTelnet = TRUE;
+           appData.telnetProgram = appData.icsHelper;
+       }
+    } else {
+       appData.zippyTalk = appData.zippyPlay = FALSE;
+    }
+
+    /* [AS] Initialize pv info list [HGM] and game state */
+    {
+        int i, j;
+
+        for( i=0; i<MAX_MOVES; i++ ) {
+            pvInfoList[i].depth = -1;
+            epStatus[i]=EP_NONE;
+            for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
+        }
+    }
+
+    /*
+     * Parse timeControl resource
+     */
+    if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
+                         appData.movesPerSession)) {
+       char buf[MSG_SIZ];
+       snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
+       DisplayFatalError(buf, 0, 2);
+    }
+
+    /*
+     * Parse searchTime resource
+     */
+    if (*appData.searchTime != NULLCHAR) {
+       matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
+       if (matched == 1) {
+           searchTime = min * 60;
+       } else if (matched == 2) {
+           searchTime = min * 60 + sec;
+       } else {
+           char buf[MSG_SIZ];
+           snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
+           DisplayFatalError(buf, 0, 2);
+       }
+    }
+
+    /* [AS] Adjudication threshold */
+    adjudicateLossThreshold = appData.adjudicateLossThreshold;
+    
+    first.which = "first";
+    second.which = "second";
+    first.maybeThinking = second.maybeThinking = FALSE;
+    first.pr = second.pr = NoProc;
+    first.isr = second.isr = NULL;
+    first.sendTime = second.sendTime = 2;
+    first.sendDrawOffers = 1;
+    if (appData.firstPlaysBlack) {
+       first.twoMachinesColor = "black\n";
+       second.twoMachinesColor = "white\n";
+    } else {
+       first.twoMachinesColor = "white\n";
+       second.twoMachinesColor = "black\n";
+    }
+    first.program = appData.firstChessProgram;
+    second.program = appData.secondChessProgram;
+    first.host = appData.firstHost;
+    second.host = appData.secondHost;
+    first.dir = appData.firstDirectory;
+    second.dir = appData.secondDirectory;
+    first.other = &second;
+    second.other = &first;
+    first.initString = appData.initString;
+    second.initString = appData.secondInitString;
+    first.computerString = appData.firstComputerString;
+    second.computerString = appData.secondComputerString;
+    first.useSigint = second.useSigint = TRUE;
+    first.useSigterm = second.useSigterm = TRUE;
+    first.reuse = appData.reuseFirst;
+    second.reuse = appData.reuseSecond;
+    first.nps = appData.firstNPS;   // [HGM] nps: copy nodes per second
+    second.nps = appData.secondNPS;
+    first.useSetboard = second.useSetboard = FALSE;
+    first.useSAN = second.useSAN = FALSE;
+    first.usePing = second.usePing = FALSE;
+    first.lastPing = second.lastPing = 0;
+    first.lastPong = second.lastPong = 0;
+    first.usePlayother = second.usePlayother = FALSE;
+    first.useColors = second.useColors = TRUE;
+    first.useUsermove = second.useUsermove = FALSE;
+    first.sendICS = second.sendICS = FALSE;
+    first.sendName = second.sendName = appData.icsActive;
+    first.sdKludge = second.sdKludge = FALSE;
+    first.stKludge = second.stKludge = FALSE;
+    TidyProgramName(first.program, first.host, first.tidy);
+    TidyProgramName(second.program, second.host, second.tidy);
+    first.matchWins = second.matchWins = 0;
+    strcpy(first.variants, appData.variant);
+    strcpy(second.variants, appData.variant);
+    first.analysisSupport = second.analysisSupport = 2; /* detect */
+    first.analyzing = second.analyzing = FALSE;
+    first.initDone = second.initDone = FALSE;
+
+    /* New features added by Tord: */
+    first.useFEN960 = FALSE; second.useFEN960 = FALSE;
+    first.useOOCastle = TRUE; second.useOOCastle = TRUE;
+    /* End of new features added by Tord. */
+    first.fenOverride  = appData.fenOverride1;
+    second.fenOverride = appData.fenOverride2;
+
+    /* [HGM] time odds: set factor for each machine */
+    first.timeOdds  = appData.firstTimeOdds;
+    second.timeOdds = appData.secondTimeOdds;
+    { int norm = 1;
+        if(appData.timeOddsMode) {
+            norm = first.timeOdds;
+            if(norm > second.timeOdds) norm = second.timeOdds;
+        }
+        first.timeOdds /= norm;
+        second.timeOdds /= norm;
+    }
+
+    /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
+    first.accumulateTC = appData.firstAccumulateTC;
+    second.accumulateTC = appData.secondAccumulateTC;
+    first.maxNrOfSessions = second.maxNrOfSessions = 1;
+
+    /* [HGM] debug */
+    first.debug = second.debug = FALSE;
+    first.supportsNPS = second.supportsNPS = UNKNOWN;
+
+    /* [HGM] options */
+    first.optionSettings  = appData.firstOptions;
+    second.optionSettings = appData.secondOptions;
+
+    first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
+    second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
+    first.isUCI = appData.firstIsUCI; /* [AS] */
+    second.isUCI = appData.secondIsUCI; /* [AS] */
+    first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
+    second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
+
+    if (appData.firstProtocolVersion > PROTOVER ||
+       appData.firstProtocolVersion < 1) {
+      char buf[MSG_SIZ];
+      sprintf(buf, _("protocol version %d not supported"),
+             appData.firstProtocolVersion);
+      DisplayFatalError(buf, 0, 2);
+    } else {
+      first.protocolVersion = appData.firstProtocolVersion;
+    }
+
+    if (appData.secondProtocolVersion > PROTOVER ||
+       appData.secondProtocolVersion < 1) {
+      char buf[MSG_SIZ];
+      sprintf(buf, _("protocol version %d not supported"),
+             appData.secondProtocolVersion);
+      DisplayFatalError(buf, 0, 2);
+    } else {
+      second.protocolVersion = appData.secondProtocolVersion;
+    }
+
+    if (appData.icsActive) {
+        appData.clockMode = TRUE;  /* changes dynamically in ICS mode */
+    } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
+       appData.clockMode = FALSE;
+       first.sendTime = second.sendTime = 0;
+    }
+    
+#if ZIPPY
+    /* Override some settings from environment variables, for backward
+       compatibility.  Unfortunately it's not feasible to have the env
+       vars just set defaults, at least in xboard.  Ugh.
+    */
+    if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
+      ZippyInit();
+    }
+#endif
+    
+    if (appData.noChessProgram) {
+       programVersion = (char*) malloc(5 + strlen(PRODUCT) + strlen(VERSION)
+                                       + strlen(PATCHLEVEL));
+       sprintf(programVersion, "%s %s.%s", PRODUCT, VERSION, PATCHLEVEL);
+    } else {
+#if 0
+       char *p, *q;
+       q = first.program;
+       while (*q != ' ' && *q != NULLCHAR) q++;
+       p = q;
+       while (p > first.program && *(p-1) != '/' && *(p-1) != '\\') p--; /* [HGM] backslash added */
+       programVersion = (char*) malloc(8 + strlen(PRODUCT) + strlen(VERSION)
+                                       + strlen(PATCHLEVEL) + (q - p));
+       sprintf(programVersion, "%s %s.%s + ", PRODUCT, VERSION, PATCHLEVEL);
+       strncat(programVersion, p, q - p);
+#else
+       /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
+       programVersion = (char*) malloc(8 + strlen(PRODUCT) + strlen(VERSION)
+                                       + strlen(PATCHLEVEL) + strlen(first.tidy));
+       sprintf(programVersion, "%s %s.%s + %s", PRODUCT, VERSION, PATCHLEVEL, first.tidy);
+#endif
+    }
+
+    if (!appData.icsActive) {
+      char buf[MSG_SIZ];
+      /* Check for variants that are supported only in ICS mode,
+         or not at all.  Some that are accepted here nevertheless
+         have bugs; see comments below.
+      */
+      VariantClass variant = StringToVariant(appData.variant);
+      switch (variant) {
+      case VariantBughouse:     /* need four players and two boards */
+      case VariantKriegspiel:   /* need to hide pieces and move details */
+      /* case VariantFischeRandom: (Fabien: moved below) */
+       sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
+       DisplayFatalError(buf, 0, 2);
+       return;
+
+      case VariantUnknown:
+      case VariantLoadable:
+      case Variant29:
+      case Variant30:
+      case Variant31:
+      case Variant32:
+      case Variant33:
+      case Variant34:
+      case Variant35:
+      case Variant36:
+      default:
+       sprintf(buf, _("Unknown variant name %s"), appData.variant);
+       DisplayFatalError(buf, 0, 2);
+       return;
+
+      case VariantXiangqi:    /* [HGM] repetition rules not implemented */
+      case VariantFairy:      /* [HGM] TestLegality definitely off! */
+      case VariantGothic:     /* [HGM] should work */
+      case VariantCapablanca: /* [HGM] should work */
+      case VariantCourier:    /* [HGM] initial forced moves not implemented */
+      case VariantShogi:      /* [HGM] drops not tested for legality */
+      case VariantKnightmate: /* [HGM] should work */
+      case VariantCylinder:   /* [HGM] untested */
+      case VariantFalcon:     /* [HGM] untested */
+      case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
+                                offboard interposition not understood */
+      case VariantNormal:     /* definitely works! */
+      case VariantWildCastle: /* pieces not automatically shuffled */
+      case VariantNoCastle:   /* pieces not automatically shuffled */
+      case VariantFischeRandom: /* [HGM] works and shuffles pieces */
+      case VariantLosers:     /* should work except for win condition,
+                                and doesn't know captures are mandatory */
+      case VariantSuicide:    /* should work except for win condition,
+                                and doesn't know captures are mandatory */
+      case VariantGiveaway:   /* should work except for win condition,
+                                and doesn't know captures are mandatory */
+      case VariantTwoKings:   /* should work */
+      case VariantAtomic:     /* should work except for win condition */
+      case Variant3Check:     /* should work except for win condition */
+      case VariantShatranj:   /* should work except for all win conditions */
+      case VariantBerolina:   /* might work if TestLegality is off */
+      case VariantCapaRandom: /* should work */
+      case VariantJanus:      /* should work */
+      case VariantSuper:      /* experimental */
+      case VariantGreat:      /* experimental, requires legality testing to be off */
+       break;
+      }
+    }
+
+    InitEngineUCI( installDir, &first );  // [HGM] moved here from winboard.c, to make available in xboard
+    InitEngineUCI( installDir, &second );
+}
+
+int NextIntegerFromString( char ** str, long * value )
+{
+    int result = -1;
+    char * s = *str;
+
+    while( *s == ' ' || *s == '\t' ) {
+        s++;
+    }
+
+    *value = 0;
+
+    if( *s >= '0' && *s <= '9' ) {
+        while( *s >= '0' && *s <= '9' ) {
+            *value = *value * 10 + (*s - '0');
+            s++;
+        }
+
+        result = 0;
+    }
+
+    *str = s;
+
+    return result;
+}
+
+int NextTimeControlFromString( char ** str, long * value )
+{
+    long temp;
+    int result = NextIntegerFromString( str, &temp );
+
+    if( result == 0 ) {
+        *value = temp * 60; /* Minutes */
+        if( **str == ':' ) {
+            (*str)++;
+            result = NextIntegerFromString( str, &temp );
+            *value += temp; /* Seconds */
+        }
+    }
+
+    return result;
+}
+
+int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
+{   /* [HGM] routine added to read '+moves/time' for secondary time control */
+    int result = -1; long temp, temp2;
+
+    if(**str != '+') return -1; // old params remain in force!
+    (*str)++;
+    if( NextTimeControlFromString( str, &temp ) ) return -1;
+
+    if(**str != '/') {
+        /* time only: incremental or sudden-death time control */
+        if(**str == '+') { /* increment follows; read it */
+            (*str)++;
+            if(result = NextIntegerFromString( str, &temp2)) return -1;
+            *inc = temp2 * 1000;
+        } else *inc = 0;
+        *moves = 0; *tc = temp * 1000; 
+        return 0;
+    } else if(temp % 60 != 0) return -1;     /* moves was given as min:sec */
+
+    (*str)++; /* classical time control */
+    result = NextTimeControlFromString( str, &temp2);
+    if(result == 0) {
+        *moves = temp/60;
+        *tc    = temp2 * 1000;
+        *inc   = 0;
+    }
+    return result;
+}
+
+int GetTimeQuota(int movenr)
+{   /* [HGM] get time to add from the multi-session time-control string */
+    int moves=1; /* kludge to force reading of first session */
+    long time, increment;
+    char *s = fullTimeControlString;
+
+    if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
+    do {
+        if(moves) NextSessionFromString(&s, &moves, &time, &increment);
+        if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
+        if(movenr == -1) return time;    /* last move before new session     */
+        if(!moves) return increment;     /* current session is incremental   */
+        if(movenr >= 0) movenr -= moves; /* we already finished this session */
+    } while(movenr >= -1);               /* try again for next session       */
+
+    return 0; // no new time quota on this move
+}
+
+int
+ParseTimeControl(tc, ti, mps)
+     char *tc;
+     int ti;
+     int mps;
+{
+#if 0
+    int matched, min, sec;
+
+    matched = sscanf(tc, "%d:%d", &min, &sec);
+    if (matched == 1) {
+       timeControl = min * 60 * 1000;
+    } else if (matched == 2) {
+       timeControl = (min * 60 + sec) * 1000;
+    } else {
+       return FALSE;
+    }
+#else
+    long tc1;
+    long tc2;
+    char buf[MSG_SIZ];
+
+    if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
+    if(ti > 0) {
+        if(mps)
+             sprintf(buf, "+%d/%s+%d", mps, tc, ti);
+        else sprintf(buf, "+%s+%d", tc, ti);
+    } else {
+        if(mps)
+             sprintf(buf, "+%d/%s", mps, tc);
+        else sprintf(buf, "+%s", tc);
+    }
+    fullTimeControlString = StrSave(buf);
+
+    if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
+        return FALSE;
+    }
+
+    if( *tc == '/' ) {
+        /* Parse second time control */
+        tc++;
+
+        if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
+            return FALSE;
+        }
+
+        if( tc2 == 0 ) {
+            return FALSE;
+        }
+
+        timeControl_2 = tc2 * 1000;
+    }
+    else {
+        timeControl_2 = 0;
+    }
+
+    if( tc1 == 0 ) {
+        return FALSE;
+    }
+
+    timeControl = tc1 * 1000;
+#endif
+
+    if (ti >= 0) {
+       timeIncrement = ti * 1000;  /* convert to ms */
+       movesPerSession = 0;
+    } else {
+       timeIncrement = 0;
+       movesPerSession = mps;
+    }
+    return TRUE;
+}
+
+void
+InitBackEnd2()
+{
+    if (appData.debugMode) {
+       fprintf(debugFP, "%s\n", programVersion);
+    }
+
+    if (appData.matchGames > 0) {
+       appData.matchMode = TRUE;
+    } else if (appData.matchMode) {
+       appData.matchGames = 1;
+    }
+    if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
+       appData.matchGames = appData.sameColorGames;
+    if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
+       if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
+       if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
+    }
+    Reset(TRUE, FALSE);
+    if (appData.noChessProgram || first.protocolVersion == 1) {
+      InitBackEnd3();
+    } else {
+      /* kludge: allow timeout for initial "feature" commands */
+      FreezeUI();
+      DisplayMessage("", _("Starting chess program"));
+      ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
+    }
+}
+
+void
+InitBackEnd3 P((void))
+{
+    GameMode initialMode;
+    char buf[MSG_SIZ];
+    int err;
+
+    InitChessProgram(&first, startedFromSetupPosition);
+
+
+    if (appData.icsActive) {
+#ifdef WIN32
+        /* [DM] Make a console window if needed [HGM] merged ifs */
+        ConsoleCreate(); 
+#endif
+       err = establish();
+       if (err != 0) {
+           if (*appData.icsCommPort != NULLCHAR) {
+               sprintf(buf, _("Could not open comm port %s"),  
+                       appData.icsCommPort);
+           } else {
+               snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),  
+                       appData.icsHost, appData.icsPort);
+           }
+           DisplayFatalError(buf, err, 1);
+           return;
+       }
+       SetICSMode();
+       telnetISR =
+         AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
+       fromUserISR =
+         AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
+    } else if (appData.noChessProgram) {
+       SetNCPMode();
+    } else {
+       SetGNUMode();
+    }
+
+    if (*appData.cmailGameName != NULLCHAR) {
+       SetCmailMode();
+       OpenLoopback(&cmailPR);
+       cmailISR =
+         AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
+    }
+    
+    ThawUI();
+    DisplayMessage("", "");
+    if (StrCaseCmp(appData.initialMode, "") == 0) {
+      initialMode = BeginningOfGame;
+    } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
+      initialMode = TwoMachinesPlay;
+    } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
+      initialMode = AnalyzeFile; 
+    } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
+      initialMode = AnalyzeMode;
+    } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
+      initialMode = MachinePlaysWhite;
+    } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
+      initialMode = MachinePlaysBlack;
+    } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
+      initialMode = EditGame;
+    } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
+      initialMode = EditPosition;
+    } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
+      initialMode = Training;
+    } else {
+      sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
+      DisplayFatalError(buf, 0, 2);
+      return;
+    }
+
+    if (appData.matchMode) {
+       /* Set up machine vs. machine match */
+       if (appData.noChessProgram) {
+           DisplayFatalError(_("Can't have a match with no chess programs"),
+                             0, 2);
+           return;
+       }
+       matchMode = TRUE;
+       matchGame = 1;
+       if (*appData.loadGameFile != NULLCHAR) {
+           int index = appData.loadGameIndex; // [HGM] autoinc
+           if(index<0) lastIndex = index = 1;
+           if (!LoadGameFromFile(appData.loadGameFile,
+                                 index,
+                                 appData.loadGameFile, FALSE)) {
+               DisplayFatalError(_("Bad game file"), 0, 1);
+               return;
+           }
+       } else if (*appData.loadPositionFile != NULLCHAR) {
+           int index = appData.loadPositionIndex; // [HGM] autoinc
+           if(index<0) lastIndex = index = 1;
+           if (!LoadPositionFromFile(appData.loadPositionFile,
+                                     index,
+                                     appData.loadPositionFile)) {
+               DisplayFatalError(_("Bad position file"), 0, 1);
+               return;
+           }
+       }
+       TwoMachinesEvent();
+    } else if (*appData.cmailGameName != NULLCHAR) {
+       /* Set up cmail mode */
+       ReloadCmailMsgEvent(TRUE);
+    } else {
+       /* Set up other modes */
+       if (initialMode == AnalyzeFile) {
+         if (*appData.loadGameFile == NULLCHAR) {
+           DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
+           return;
+         }
+       }
+       if (*appData.loadGameFile != NULLCHAR) {
+           (void) LoadGameFromFile(appData.loadGameFile,
+                                   appData.loadGameIndex,
+                                   appData.loadGameFile, TRUE);
+       } else if (*appData.loadPositionFile != NULLCHAR) {
+           (void) LoadPositionFromFile(appData.loadPositionFile,
+                                       appData.loadPositionIndex,
+                                       appData.loadPositionFile);
+            /* [HGM] try to make self-starting even after FEN load */
+            /* to allow automatic setup of fairy variants with wtm */
+            if(initialMode == BeginningOfGame && !blackPlaysFirst) {
+                gameMode = BeginningOfGame;
+                setboardSpoiledMachineBlack = 1;
+            }
+            /* [HGM] loadPos: make that every new game uses the setup */
+            /* from file as long as we do not switch variant          */
+            if(!blackPlaysFirst) { int i;
+                startedFromPositionFile = TRUE;
+                CopyBoard(filePosition, boards[0]);
+                for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
+            }
+       }
+       if (initialMode == AnalyzeMode) {
+         if (appData.noChessProgram) {
+           DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
+           return;
+         }
+         if (appData.icsActive) {
+           DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
+           return;
+         }
+         AnalyzeModeEvent();
+       } else if (initialMode == AnalyzeFile) {
+         appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
+         ShowThinkingEvent();
+         AnalyzeFileEvent();
+         AnalysisPeriodicEvent(1);
+       } else if (initialMode == MachinePlaysWhite) {
+         if (appData.noChessProgram) {
+           DisplayFatalError(_("MachineWhite mode requires a chess engine"),
+                             0, 2);
+           return;
+         }
+         if (appData.icsActive) {
+           DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
+                             0, 2);
+           return;
+         }
+         MachineWhiteEvent();
+       } else if (initialMode == MachinePlaysBlack) {
+         if (appData.noChessProgram) {
+           DisplayFatalError(_("MachineBlack mode requires a chess engine"),
+                             0, 2);
+           return;
+         }
+         if (appData.icsActive) {
+           DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
+                             0, 2);
+           return;
+         }
+         MachineBlackEvent();
+       } else if (initialMode == TwoMachinesPlay) {
+         if (appData.noChessProgram) {
+           DisplayFatalError(_("TwoMachines mode requires a chess engine"),
+                             0, 2);
+           return;
+         }
+         if (appData.icsActive) {
+           DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
+                             0, 2);
+           return;
+         }
+         TwoMachinesEvent();
+       } else if (initialMode == EditGame) {
+         EditGameEvent();
+       } else if (initialMode == EditPosition) {
+         EditPositionEvent();
+       } else if (initialMode == Training) {
+         if (*appData.loadGameFile == NULLCHAR) {
+           DisplayFatalError(_("Training mode requires a game file"), 0, 2);
+           return;
+         }
+         TrainingEvent();
+       }
+    }
+}
+
+/*
+ * Establish will establish a contact to a remote host.port.
+ * Sets icsPR to a ProcRef for a process (or pseudo-process)
+ *  used to talk to the host.
+ * Returns 0 if okay, error code if not.
+ */
+int
+establish()
+{
+    char buf[MSG_SIZ];
+
+    if (*appData.icsCommPort != NULLCHAR) {
+       /* Talk to the host through a serial comm port */
+       return OpenCommPort(appData.icsCommPort, &icsPR);
+
+    } else if (*appData.gateway != NULLCHAR) {
+       if (*appData.remoteShell == NULLCHAR) {
+           /* Use the rcmd protocol to run telnet program on a gateway host */
+           snprintf(buf, sizeof(buf), "%s %s %s",
+                   appData.telnetProgram, appData.icsHost, appData.icsPort);
+           return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
+
+       } else {
+           /* Use the rsh program to run telnet program on a gateway host */
+           if (*appData.remoteUser == NULLCHAR) {
+               snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
+                       appData.gateway, appData.telnetProgram,
+                       appData.icsHost, appData.icsPort);
+           } else {
+               snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
+                       appData.remoteShell, appData.gateway, 
+                       appData.remoteUser, appData.telnetProgram,
+                       appData.icsHost, appData.icsPort);
+           }
+           return StartChildProcess(buf, "", &icsPR);
+
+       }
+    } else if (appData.useTelnet) {
+       return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
+
+    } else {
+       /* TCP socket interface differs somewhat between
+          Unix and NT; handle details in the front end.
+          */
+       return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
+    }
+}
+
+void
+show_bytes(fp, buf, count)
+     FILE *fp;
+     char *buf;
+     int count;
+{
+    while (count--) {
+       if (*buf < 040 || *(unsigned char *) buf > 0177) {
+           fprintf(fp, "\\%03o", *buf & 0xff);
+       } else {
+           putc(*buf, fp);
+       }
+       buf++;
+    }
+    fflush(fp);
+}
+
+/* Returns an errno value */
+int
+OutputMaybeTelnet(pr, message, count, outError)
+     ProcRef pr;
+     char *message;
+     int count;
+     int *outError;
+{
+    char buf[8192], *p, *q, *buflim;
+    int left, newcount, outcount;
+
+    if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
+       *appData.gateway != NULLCHAR) {
+       if (appData.debugMode) {
+           fprintf(debugFP, ">ICS: ");
+           show_bytes(debugFP, message, count);
+           fprintf(debugFP, "\n");
+       }
+       return OutputToProcess(pr, message, count, outError);
+    }
+
+    buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
+    p = message;
+    q = buf;
+    left = count;
+    newcount = 0;
+    while (left) {
+       if (q >= buflim) {
+           if (appData.debugMode) {
+               fprintf(debugFP, ">ICS: ");
+               show_bytes(debugFP, buf, newcount);
+               fprintf(debugFP, "\n");
+           }
+           outcount = OutputToProcess(pr, buf, newcount, outError);
+           if (outcount < newcount) return -1; /* to be sure */
+           q = buf;
+           newcount = 0;
+       }
+       if (*p == '\n') {
+           *q++ = '\r';
+           newcount++;
+       } else if (((unsigned char) *p) == TN_IAC) {
+           *q++ = (char) TN_IAC;
+           newcount ++;
+       }
+       *q++ = *p++;
+       newcount++;
+       left--;
+    }
+    if (appData.debugMode) {
+       fprintf(debugFP, ">ICS: ");
+       show_bytes(debugFP, buf, newcount);
+       fprintf(debugFP, "\n");
+    }
+    outcount = OutputToProcess(pr, buf, newcount, outError);
+    if (outcount < newcount) return -1; /* to be sure */
+    return count;
+}
+
+void
+read_from_player(isr, closure, message, count, error)
+     InputSourceRef isr;
+     VOIDSTAR closure;
+     char *message;
+     int count;
+     int error;
+{
+    int outError, outCount;
+    static int gotEof = 0;
+
+    /* Pass data read from player on to ICS */
+    if (count > 0) {
+       gotEof = 0;
+       outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
+       if (outCount < count) {
+            DisplayFatalError(_("Error writing to ICS"), outError, 1);
+       }
+    } else if (count < 0) {
+       RemoveInputSource(isr);
+       DisplayFatalError(_("Error reading from keyboard"), error, 1);
+    } else if (gotEof++ > 0) {
+       RemoveInputSource(isr);
+       DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
+    }
+}
+
+void
+SendToICS(s)
+     char *s;
+{
+    int count, outCount, outError;
+
+    if (icsPR == NULL) return;
+
+    count = strlen(s);
+    outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
+    if (outCount < count) {
+       DisplayFatalError(_("Error writing to ICS"), outError, 1);
+    }
+}
+
+/* This is used for sending logon scripts to the ICS. Sending
+   without a delay causes problems when using timestamp on ICC
+   (at least on my machine). */
+void
+SendToICSDelayed(s,msdelay)
+     char *s;
+     long msdelay;
+{
+    int count, outCount, outError;
+
+    if (icsPR == NULL) return;
+
+    count = strlen(s);
+    if (appData.debugMode) {
+       fprintf(debugFP, ">ICS: ");
+       show_bytes(debugFP, s, count);
+       fprintf(debugFP, "\n");
+    }
+    outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
+                                     msdelay);
+    if (outCount < count) {
+       DisplayFatalError(_("Error writing to ICS"), outError, 1);
+    }
+}
+
+
+/* Remove all highlighting escape sequences in s
+   Also deletes any suffix starting with '(' 
+   */
+char *
+StripHighlightAndTitle(s)
+     char *s;
+{
+    static char retbuf[MSG_SIZ];
+    char *p = retbuf;
+
+    while (*s != NULLCHAR) {
+       while (*s == '\033') {
+           while (*s != NULLCHAR && !isalpha(*s)) s++;
+           if (*s != NULLCHAR) s++;
+       }
+       while (*s != NULLCHAR && *s != '\033') {
+           if (*s == '(' || *s == '[') {
+               *p = NULLCHAR;
+               return retbuf;
+           }
+           *p++ = *s++;
+       }
+    }
+    *p = NULLCHAR;
+    return retbuf;
+}
+
+/* Remove all highlighting escape sequences in s */
+char *
+StripHighlight(s)
+     char *s;
+{
+    static char retbuf[MSG_SIZ];
+    char *p = retbuf;
+
+    while (*s != NULLCHAR) {
+       while (*s == '\033') {
+           while (*s != NULLCHAR && !isalpha(*s)) s++;
+           if (*s != NULLCHAR) s++;
+       }
+       while (*s != NULLCHAR && *s != '\033') {
+           *p++ = *s++;
+       }
+    }
+    *p = NULLCHAR;
+    return retbuf;
+}
+
+char *variantNames[] = VARIANT_NAMES;
+char *
+VariantName(v)
+     VariantClass v;
+{
+    return variantNames[v];
+}
+
+
+/* Identify a variant from the strings the chess servers use or the
+   PGN Variant tag names we use. */
+VariantClass
+StringToVariant(e)
+     char *e;
+{
+    char *p;
+    int wnum = -1;
+    VariantClass v = VariantNormal;
+    int i, found = FALSE;
+    char buf[MSG_SIZ];
+
+    if (!e) return v;
+
+    /* [HGM] skip over optional board-size prefixes */
+    if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
+        sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
+        while( *e++ != '_');
+    }
+
+    for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
+      if (StrCaseStr(e, variantNames[i])) {
+       v = (VariantClass) i;
+       found = TRUE;
+       break;
+      }
+    }
+
+    if (!found) {
+      if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
+         || StrCaseStr(e, "wild/fr") 
+         || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
+        v = VariantFischeRandom;
+      } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
+                (i = 1, p = StrCaseStr(e, "w"))) {
+       p += i;
+       while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
+       if (isdigit(*p)) {
+         wnum = atoi(p);
+       } else {
+         wnum = -1;
+       }
+       switch (wnum) {
+       case 0: /* FICS only, actually */
+       case 1:
+         /* Castling legal even if K starts on d-file */
+         v = VariantWildCastle;
+         break;
+       case 2:
+       case 3:
+       case 4:
+         /* Castling illegal even if K & R happen to start in
+            normal positions. */
+         v = VariantNoCastle;
+         break;
+       case 5:
+       case 7:
+       case 8:
+       case 10:
+       case 11:
+       case 12:
+       case 13:
+       case 14:
+       case 15:
+       case 18:
+       case 19:
+         /* Castling legal iff K & R start in normal positions */
+         v = VariantNormal;
+         break;
+       case 6:
+       case 20:
+       case 21:
+         /* Special wilds for position setup; unclear what to do here */
+         v = VariantLoadable;
+         break;
+       case 9:
+         /* Bizarre ICC game */
+         v = VariantTwoKings;
+         break;
+       case 16:
+         v = VariantKriegspiel;
+         break;
+       case 17:
+         v = VariantLosers;
+         break;
+       case 22:
+         v = VariantFischeRandom;
+         break;
+       case 23:
+         v = VariantCrazyhouse;
+         break;
+       case 24:
+         v = VariantBughouse;
+         break;
+       case 25:
+         v = Variant3Check;
+         break;
+       case 26:
+         /* Not quite the same as FICS suicide! */
+         v = VariantGiveaway;
+         break;
+       case 27:
+         v = VariantAtomic;
+         break;
+       case 28:
+         v = VariantShatranj;
+         break;
+
+       /* Temporary names for future ICC types.  The name *will* change in 
+          the next xboard/WinBoard release after ICC defines it. */
+       case 29:
+         v = Variant29;
+         break;
+       case 30:
+         v = Variant30;
+         break;
+       case 31:
+         v = Variant31;
+         break;
+       case 32:
+         v = Variant32;
+         break;
+       case 33:
+         v = Variant33;
+         break;
+       case 34:
+         v = Variant34;
+         break;
+       case 35:
+         v = Variant35;
+         break;
+       case 36:
+         v = Variant36;
+         break;
+        case 37:
+          v = VariantShogi;
+         break;
+        case 38:
+          v = VariantXiangqi;
+         break;
+        case 39:
+          v = VariantCourier;
+         break;
+        case 40:
+          v = VariantGothic;
+         break;
+        case 41:
+          v = VariantCapablanca;
+         break;
+        case 42:
+          v = VariantKnightmate;
+         break;
+        case 43:
+          v = VariantFairy;
+          break;
+        case 44:
+          v = VariantCylinder;
+         break;
+        case 45:
+          v = VariantFalcon;
+         break;
+        case 46:
+          v = VariantCapaRandom;
+         break;
+        case 47:
+          v = VariantBerolina;
+         break;
+        case 48:
+          v = VariantJanus;
+         break;
+        case 49:
+          v = VariantSuper;
+         break;
+        case 50:
+          v = VariantGreat;
+         break;
+       case -1:
+         /* Found "wild" or "w" in the string but no number;
+            must assume it's normal chess. */
+         v = VariantNormal;
+         break;
+       default:
+         sprintf(buf, _("Unknown wild type %d"), wnum);
+         DisplayError(buf, 0);
+         v = VariantUnknown;
+         break;
+       }
+      }
+    }
+    if (appData.debugMode) {
+      fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
+             e, wnum, VariantName(v));
+    }
+    return v;
+}
+
+static int leftover_start = 0, leftover_len = 0;
+char star_match[STAR_MATCH_N][MSG_SIZ];
+
+/* Test whether pattern is present at &buf[*index]; if so, return TRUE,
+   advance *index beyond it, and set leftover_start to the new value of
+   *index; else return FALSE.  If pattern contains the character '*', it
+   matches any sequence of characters not containing '\r', '\n', or the
+   character following the '*' (if any), and the matched sequence(s) are
+   copied into star_match.
+   */
+int
+looking_at(buf, index, pattern)
+     char *buf;
+     int *index;
+     char *pattern;
+{
+    char *bufp = &buf[*index], *patternp = pattern;
+    int star_count = 0;
+    char *matchp = star_match[0];
+    
+    for (;;) {
+       if (*patternp == NULLCHAR) {
+           *index = leftover_start = bufp - buf;
+           *matchp = NULLCHAR;
+           return TRUE;
+       }
+       if (*bufp == NULLCHAR) return FALSE;
+       if (*patternp == '*') {
+           if (*bufp == *(patternp + 1)) {
+               *matchp = NULLCHAR;
+               matchp = star_match[++star_count];
+               patternp += 2;
+               bufp++;
+               continue;
+           } else if (*bufp == '\n' || *bufp == '\r') {
+               patternp++;
+               if (*patternp == NULLCHAR)
+                 continue;
+               else
+                 return FALSE;
+           } else {
+               *matchp++ = *bufp++;
+               continue;
+           }
+       }
+       if (*patternp != *bufp) return FALSE;
+       patternp++;
+       bufp++;
+    }
+}
+
+void
+SendToPlayer(data, length)
+     char *data;
+     int length;
+{
+    int error, outCount;
+    outCount = OutputToProcess(NoProc, data, length, &error);
+    if (outCount < length) {
+       DisplayFatalError(_("Error writing to display"), error, 1);
+    }
+}
+
+void
+PackHolding(packed, holding)
+     char packed[];
+     char *holding;
+{
+    char *p = holding;
+    char *q = packed;
+    int runlength = 0;
+    int curr = 9999;
+    do {
+       if (*p == curr) {
+           runlength++;
+       } else {
+           switch (runlength) {
+             case 0:
+               break;
+             case 1:
+               *q++ = curr;
+               break;
+             case 2:
+               *q++ = curr;
+               *q++ = curr;
+               break;
+             default:
+               sprintf(q, "%d", runlength);
+               while (*q) q++;
+               *q++ = curr;
+               break;
+           }
+           runlength = 1;
+           curr = *p;
+       }
+    } while (*p++);
+    *q = NULLCHAR;
+}
+
+/* Telnet protocol requests from the front end */
+void
+TelnetRequest(ddww, option)
+     unsigned char ddww, option;
+{
+    unsigned char msg[3];
+    int outCount, outError;
+
+    if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
+
+    if (appData.debugMode) {
+       char buf1[8], buf2[8], *ddwwStr, *optionStr;
+       switch (ddww) {
+         case TN_DO:
+           ddwwStr = "DO";
+           break;
+         case TN_DONT:
+           ddwwStr = "DONT";
+           break;
+         case TN_WILL:
+           ddwwStr = "WILL";
+           break;
+         case TN_WONT:
+           ddwwStr = "WONT";
+           break;
+         default:
+           ddwwStr = buf1;
+           sprintf(buf1, "%d", ddww);
+           break;
+       }
+       switch (option) {
+         case TN_ECHO:
+           optionStr = "ECHO";
+           break;
+         default:
+           optionStr = buf2;
+           sprintf(buf2, "%d", option);
+           break;
+       }
+       fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
+    }
+    msg[0] = TN_IAC;
+    msg[1] = ddww;
+    msg[2] = option;
+    outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
+    if (outCount < 3) {
+       DisplayFatalError(_("Error writing to ICS"), outError, 1);
+    }
+}
+
+void
+DoEcho()
+{
+    if (!appData.icsActive) return;
+    TelnetRequest(TN_DO, TN_ECHO);
+}
+
+void
+DontEcho()
+{
+    if (!appData.icsActive) return;
+    TelnetRequest(TN_DONT, TN_ECHO);
+}
+
+void
+CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
+{
+    /* put the holdings sent to us by the server on the board holdings area */
+    int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
+    char p;
+    ChessSquare piece;
+
+    if(gameInfo.holdingsWidth < 2)  return;
+
+    if( (int)lowestPiece >= BlackPawn ) {
+        holdingsColumn = 0;
+        countsColumn = 1;
+        holdingsStartRow = BOARD_HEIGHT-1;
+        direction = -1;
+    } else {
+        holdingsColumn = BOARD_WIDTH-1;
+        countsColumn = BOARD_WIDTH-2;
+        holdingsStartRow = 0;
+        direction = 1;
+    }
+
+    for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
+        board[i][holdingsColumn] = EmptySquare;
+        board[i][countsColumn]   = (ChessSquare) 0;
+    }
+    while( (p=*holdings++) != NULLCHAR ) {
+        piece = CharToPiece( ToUpper(p) );
+        if(piece == EmptySquare) continue;
+        /*j = (int) piece - (int) WhitePawn;*/
+        j = PieceToNumber(piece);
+        if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
+        if(j < 0) continue;               /* should not happen */
+        piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
+        board[holdingsStartRow+j*direction][holdingsColumn] = piece;
+        board[holdingsStartRow+j*direction][countsColumn]++;
+    }
+
+}
+
+
+void
+VariantSwitch(Board board, VariantClass newVariant)
+{
+   int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
+   int oldCurrentMove = currentMove, oldForwardMostMove = forwardMostMove, oldBackwardMostMove = backwardMostMove;
+//   Board tempBoard; int saveCastling[BOARD_SIZE], saveEP;
+
+   startedFromPositionFile = FALSE;
+   if(gameInfo.variant == newVariant) return;
+
+   /* [HGM] This routine is called each time an assignment is made to
+    * gameInfo.variant during a game, to make sure the board sizes
+    * are set to match the new variant. If that means adding or deleting
+    * holdings, we shift the playing board accordingly
+    * This kludge is needed because in ICS observe mode, we get boards
+    * of an ongoing game without knowing the variant, and learn about the
+    * latter only later. This can be because of the move list we requested,
+    * in which case the game history is refilled from the beginning anyway,
+    * but also when receiving holdings of a crazyhouse game. In the latter
+    * case we want to add those holdings to the already received position.
+    */
+
+
+  if (appData.debugMode) {
+    fprintf(debugFP, "Switch board from %s to %s\n",
+               VariantName(gameInfo.variant), VariantName(newVariant));
+    setbuf(debugFP, NULL);
+  }
+    shuffleOpenings = 0;       /* [HGM] shuffle */
+    gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
+    switch(newVariant) {
+            case VariantShogi:
+              newWidth = 9;  newHeight = 9;
+              gameInfo.holdingsSize = 7;
+            case VariantBughouse:
+            case VariantCrazyhouse:
+              newHoldingsWidth = 2; break;
+            default:
+              newHoldingsWidth = gameInfo.holdingsSize = 0;
+    }
+
+    if(newWidth  != gameInfo.boardWidth  ||
+       newHeight != gameInfo.boardHeight ||
+       newHoldingsWidth != gameInfo.holdingsWidth ) {
+
+        /* shift position to new playing area, if needed */
+        if(newHoldingsWidth > gameInfo.holdingsWidth) {
+           for(i=0; i<BOARD_HEIGHT; i++) 
+               for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
+                   board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
+                                                     board[i][j];
+           for(i=0; i<newHeight; i++) {
+               board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
+               board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
+           }
+        } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
+           for(i=0; i<BOARD_HEIGHT; i++)
+               for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
+                   board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
+                                                 board[i][j];
+        }
+
+        gameInfo.boardWidth  = newWidth;
+        gameInfo.boardHeight = newHeight;
+        gameInfo.holdingsWidth = newHoldingsWidth;
+        gameInfo.variant = newVariant;
+        InitDrawingSizes(-2, 0);
+
+        /* [HGM] The following should definitely be solved in a better way */
+#if 0
+        CopyBoard(board, tempBoard); /* save position in case it is board[0] */
+        for(i=0; i<BOARD_SIZE; i++) saveCastling[i] = castlingRights[0][i];
+        saveEP = epStatus[0];
+#endif
+        InitPosition(FALSE);          /* this sets up board[0], but also other stuff        */
+#if 0
+        epStatus[0] = saveEP;
+        for(i=0; i<BOARD_SIZE; i++) castlingRights[0][i] = saveCastling[i];
+        CopyBoard(tempBoard, board); /* restore position received from ICS   */
+#endif
+    } else { gameInfo.variant = newVariant; InitPosition(FALSE); }
+
+    forwardMostMove = oldForwardMostMove;
+    backwardMostMove = oldBackwardMostMove;
+    currentMove = oldCurrentMove; /* InitPos reset these, but we need still to redraw the position */
+}
+
+static int loggedOn = FALSE;
+
+/*-- Game start info cache: --*/
+int gs_gamenum;
+char gs_kind[MSG_SIZ];
+static char player1Name[128] = "";
+static char player2Name[128] = "";
+static int player1Rating = -1;
+static int player2Rating = -1;
+/*----------------------------*/
+
+ColorClass curColor = ColorNormal;
+int suppressKibitz = 0;
+
+void
+read_from_ics(isr, closure, data, count, error)
+     InputSourceRef isr;
+     VOIDSTAR closure;
+     char *data;
+     int count;
+     int error;
+{
+#define BUF_SIZE 8192
+#define STARTED_NONE 0
+#define STARTED_MOVES 1
+#define STARTED_BOARD 2
+#define STARTED_OBSERVE 3
+#define STARTED_HOLDINGS 4
+#define STARTED_CHATTER 5
+#define STARTED_COMMENT 6
+#define STARTED_MOVES_NOHIDE 7
+    
+    static int started = STARTED_NONE;
+    static char parse[20000];
+    static int parse_pos = 0;
+    static char buf[BUF_SIZE + 1];
+    static int firstTime = TRUE, intfSet = FALSE;
+    static ColorClass prevColor = ColorNormal;
+    static int savingComment = FALSE;
+    char str[500];
+    int i, oldi;
+    int buf_len;
+    int next_out;
+    int tkind;
+    int backup;    /* [DM] For zippy color lines */
+    char *p;
+
+    if (appData.debugMode) {
+      if (!error) {
+       fprintf(debugFP, "<ICS: ");
+       show_bytes(debugFP, data, count);
+       fprintf(debugFP, "\n");
+      }
+    }
+
+    if (appData.debugMode) { int f = forwardMostMove;
+        fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
+                castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
+    }
+    if (count > 0) {
+       /* If last read ended with a partial line that we couldn't parse,
+          prepend it to the new read and try again. */
+       if (leftover_len > 0) {
+           for (i=0; i<leftover_len; i++)
+             buf[i] = buf[leftover_start + i];
+       }
+
+       /* Copy in new characters, removing nulls and \r's */
+       buf_len = leftover_len;
+       for (i = 0; i < count; i++) {
+           if (data[i] != NULLCHAR && data[i] != '\r')
+             buf[buf_len++] = data[i];
+           if(buf_len >= 5 && buf[buf_len-5]=='\n' && buf[buf_len-4]=='\\' && 
+                               buf[buf_len-3]==' '  && buf[buf_len-2]==' '  && buf[buf_len-1]==' ') 
+               buf_len -= 5; // [HGM] ICS: join continuation line of Lasker 2.2.3 server with previous
+       }
+
+       buf[buf_len] = NULLCHAR;
+       next_out = leftover_len;
+       leftover_start = 0;
+       
+       i = 0;
+       while (i < buf_len) {
+           /* Deal with part of the TELNET option negotiation
+              protocol.  We refuse to do anything beyond the
+              defaults, except that we allow the WILL ECHO option,
+              which ICS uses to turn off password echoing when we are
+              directly connected to it.  We reject this option
+              if localLineEditing mode is on (always on in xboard)
+               and we are talking to port 23, which might be a real
+              telnet server that will try to keep WILL ECHO on permanently.
+             */
+           if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
+               static int remoteEchoOption = FALSE; /* telnet ECHO option */
+               unsigned char option;
+               oldi = i;
+               switch ((unsigned char) buf[++i]) {
+                 case TN_WILL:
+                   if (appData.debugMode)
+                     fprintf(debugFP, "\n<WILL ");
+                   switch (option = (unsigned char) buf[++i]) {
+                     case TN_ECHO:
+                       if (appData.debugMode)
+                         fprintf(debugFP, "ECHO ");
+                       /* Reply only if this is a change, according
+                          to the protocol rules. */
+                       if (remoteEchoOption) break;
+                       if (appData.localLineEditing &&
+                           atoi(appData.icsPort) == TN_PORT) {
+                           TelnetRequest(TN_DONT, TN_ECHO);
+                       } else {
+                           EchoOff();
+                           TelnetRequest(TN_DO, TN_ECHO);
+                           remoteEchoOption = TRUE;
+                       }
+                       break;
+                     default:
+                       if (appData.debugMode)
+                         fprintf(debugFP, "%d ", option);
+                       /* Whatever this is, we don't want it. */
+                       TelnetRequest(TN_DONT, option);
+                       break;
+                   }
+                   break;
+                 case TN_WONT:
+                   if (appData.debugMode)
+                     fprintf(debugFP, "\n<WONT ");
+                   switch (option = (unsigned char) buf[++i]) {
+                     case TN_ECHO:
+                       if (appData.debugMode)
+                         fprintf(debugFP, "ECHO ");
+                       /* Reply only if this is a change, according
+                          to the protocol rules. */
+                       if (!remoteEchoOption) break;
+                       EchoOn();
+                       TelnetRequest(TN_DONT, TN_ECHO);
+                       remoteEchoOption = FALSE;
+                       break;
+                     default:
+                       if (appData.debugMode)
+                         fprintf(debugFP, "%d ", (unsigned char) option);
+                       /* Whatever this is, it must already be turned
+                          off, because we never agree to turn on
+                          anything non-default, so according to the
+                          protocol rules, we don't reply. */
+                       break;
+                   }
+                   break;
+                 case TN_DO:
+                   if (appData.debugMode)
+                     fprintf(debugFP, "\n<DO ");
+                   switch (option = (unsigned char) buf[++i]) {
+                     default:
+                       /* Whatever this is, we refuse to do it. */
+                       if (appData.debugMode)
+                         fprintf(debugFP, "%d ", option);
+                       TelnetRequest(TN_WONT, option);
+                       break;
+                   }
+                   break;
+                 case TN_DONT:
+                   if (appData.debugMode)
+                     fprintf(debugFP, "\n<DONT ");
+                   switch (option = (unsigned char) buf[++i]) {
+                     default:
+                       if (appData.debugMode)
+                         fprintf(debugFP, "%d ", option);
+                       /* Whatever this is, we are already not doing
+                          it, because we never agree to do anything
+                          non-default, so according to the protocol
+                          rules, we don't reply. */
+                       break;
+                   }
+                   break;
+                 case TN_IAC:
+                   if (appData.debugMode)
+                     fprintf(debugFP, "\n<IAC ");
+                   /* Doubled IAC; pass it through */
+                   i--;
+                   break;
+                 default:
+                   if (appData.debugMode)
+                     fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
+                   /* Drop all other telnet commands on the floor */
+                   break;
+               }
+               if (oldi > next_out)
+                 SendToPlayer(&buf[next_out], oldi - next_out);
+               if (++i > next_out)
+                 next_out = i;
+               continue;
+           }
+               
+           /* OK, this at least will *usually* work */
+           if (!loggedOn && looking_at(buf, &i, "ics%")) {
+               loggedOn = TRUE;
+           }
+           
+           if (loggedOn && !intfSet) {
+               if (ics_type == ICS_ICC) {
+                 sprintf(str,
+                         "/set-quietly interface %s\n/set-quietly style 12\n",
+                         programVersion);
+
+               } else if (ics_type == ICS_CHESSNET) {
+                 sprintf(str, "/style 12\n");
+               } else {
+                 strcpy(str, "alias $ @\n$set interface ");
+                 strcat(str, programVersion);
+                 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
+#ifdef WIN32
+                 strcat(str, "$iset nohighlight 1\n");
+#endif
+                 strcat(str, "$iset lock 1\n$style 12\n");
+               }
+               SendToICS(str);
+               intfSet = TRUE;
+           }
+
+           if (started == STARTED_COMMENT) {
+               /* Accumulate characters in comment */
+               parse[parse_pos++] = buf[i];
+               if (buf[i] == '\n') {
+                   parse[parse_pos] = NULLCHAR;
+                   if(!suppressKibitz) // [HGM] kibitz
+                       AppendComment(forwardMostMove, StripHighlight(parse));
+                   else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
+                       int nrDigit = 0, nrAlph = 0, i;
+                       if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
+                       { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
+                       parse[parse_pos] = NULLCHAR;
+                       // try to be smart: if it does not look like search info, it should go to
+                       // ICS interaction window after all, not to engine-output window.
+                       for(i=0; i<parse_pos; i++) { // count letters and digits
+                           nrDigit += (parse[i] >= '0' && parse[i] <= '9');
+                           nrAlph  += (parse[i] >= 'a' && parse[i] <= 'z');
+                           nrAlph  += (parse[i] >= 'A' && parse[i] <= 'Z');
+                       }
+                       if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
+                           int depth=0; float score;
+                           if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
+                               // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
+                               pvInfoList[forwardMostMove-1].depth = depth;
+                               pvInfoList[forwardMostMove-1].score = 100*score;
+                           }
+                           OutputKibitz(suppressKibitz, parse);
+                       } else {
+                           char tmp[MSG_SIZ];
+                           sprintf(tmp, _("your opponent kibitzes: %s"), parse);
+                           SendToPlayer(tmp, strlen(tmp));
+                       }
+                   }
+                   started = STARTED_NONE;
+               } else {
+                   /* Don't match patterns against characters in chatter */
+                   i++;
+                   continue;
+               }
+           }
+           if (started == STARTED_CHATTER) {
+               if (buf[i] != '\n') {
+                   /* Don't match patterns against characters in chatter */
+                   i++;
+                   continue;
+               }
+               started = STARTED_NONE;
+           }
+
+            /* Kludge to deal with rcmd protocol */
+           if (firstTime && looking_at(buf, &i, "\001*")) {
+               DisplayFatalError(&buf[1], 0, 1);
+               continue;
+           } else {
+               firstTime = FALSE;
+           }
+
+           if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
+               ics_type = ICS_ICC;
+               ics_prefix = "/";
+               if (appData.debugMode)
+                 fprintf(debugFP, "ics_type %d\n", ics_type);
+               continue;
+           }
+           if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
+               ics_type = ICS_FICS;
+               ics_prefix = "$";
+               if (appData.debugMode)
+                 fprintf(debugFP, "ics_type %d\n", ics_type);
+               continue;
+           }
+           if (!loggedOn && looking_at(buf, &i, "chess.net")) {
+               ics_type = ICS_CHESSNET;
+               ics_prefix = "/";
+               if (appData.debugMode)
+                 fprintf(debugFP, "ics_type %d\n", ics_type);
+               continue;
+           }
+
+           if (!loggedOn &&
+               (looking_at(buf, &i, "\"*\" is *a registered name") ||
+                looking_at(buf, &i, "Logging you in as \"*\"") ||
+                looking_at(buf, &i, "will be \"*\""))) {
+             strcpy(ics_handle, star_match[0]);
+             continue;
+           }
+
+           if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
+             char buf[MSG_SIZ];
+             snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
+             DisplayIcsInteractionTitle(buf);
+             have_set_title = TRUE;
+           }
+
+           /* skip finger notes */
+           if (started == STARTED_NONE &&
+               ((buf[i] == ' ' && isdigit(buf[i+1])) ||
+                (buf[i] == '1' && buf[i+1] == '0')) &&
+               buf[i+2] == ':' && buf[i+3] == ' ') {
+             started = STARTED_CHATTER;
+             i += 3;
+             continue;
+           }
+
+           /* skip formula vars */
+           if (started == STARTED_NONE &&
+               buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
+             started = STARTED_CHATTER;
+             i += 3;
+             continue;
+           }
+
+           oldi = i;
+           // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
+           if (appData.autoKibitz && started == STARTED_NONE && 
+                !appData.icsEngineAnalyze &&                     // [HGM] [DM] ICS analyze
+               (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
+               if(looking_at(buf, &i, "* kibitzes: ") &&
+                  (StrStr(star_match[0], gameInfo.white) == star_match[0] || 
+                   StrStr(star_match[0], gameInfo.black) == star_match[0]   )) { // kibitz of self or opponent
+                       suppressKibitz = TRUE;
+                       if((StrStr(star_match[0], gameInfo.white) == star_match[0]
+                               && (gameMode == IcsPlayingWhite)) ||
+                          (StrStr(star_match[0], gameInfo.black) == star_match[0]
+                               && (gameMode == IcsPlayingBlack))   ) // opponent kibitz
+                           started = STARTED_CHATTER; // own kibitz we simply discard
+                       else {
+                           started = STARTED_COMMENT; // make sure it will be collected in parse[]
+                           parse_pos = 0; parse[0] = NULLCHAR;
+                           savingComment = TRUE;
+                           suppressKibitz = gameMode != IcsObserving ? 2 :
+                               (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
+                       } 
+                       continue;
+               } else
+               if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
+                   started = STARTED_CHATTER;
+                   suppressKibitz = TRUE;
+               }
+           } // [HGM] kibitz: end of patch
+
+           if (appData.zippyTalk || appData.zippyPlay) {
+                /* [DM] Backup address for color zippy lines */
+                backup = i;
+#if ZIPPY
+       #ifdef WIN32
+               if (loggedOn == TRUE)
+                       if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
+                          (appData.zippyPlay && ZippyMatch(buf, &backup)));
+       #else
+                if (ZippyControl(buf, &i) ||
+                    ZippyConverse(buf, &i) ||
+                    (appData.zippyPlay && ZippyMatch(buf, &i))) {
+                     loggedOn = TRUE;
+                      if (!appData.colorize) continue;
+               }
+       #endif
+#endif
+           } // [DM] 'else { ' deleted
+               if (/* Don't color "message" or "messages" output */
+                   (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
+                   looking_at(buf, &i, "*. * at *:*: ") ||
+                   looking_at(buf, &i, "--* (*:*): ") ||
+                   /* Regular tells and says */
+                   (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
+                   looking_at(buf, &i, "* (your partner) tells you: ") ||
+                   looking_at(buf, &i, "* says: ") ||
+                   /* Message notifications (same color as tells) */
+                   looking_at(buf, &i, "* has left a message ") ||
+                   looking_at(buf, &i, "* just sent you a message:\n") ||
+                   /* Whispers and kibitzes */
+                   (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
+                   looking_at(buf, &i, "* kibitzes: ") ||
+                   /* Channel tells */
+                   (tkind = 3, looking_at(buf, &i, "*(*: "))) {
+
+                 if (tkind == 1 && strchr(star_match[0], ':')) {
+                     /* Avoid "tells you:" spoofs in channels */
+                    tkind = 3;
+                 }
+                 if (star_match[0][0] == NULLCHAR ||
+                     strchr(star_match[0], ' ') ||
+                     (tkind == 3 && strchr(star_match[1], ' '))) {
+                   /* Reject bogus matches */
+                   i = oldi;
+                 } else {
+                   if (appData.colorize) {
+                     if (oldi > next_out) {
+                       SendToPlayer(&buf[next_out], oldi - next_out);
+                       next_out = oldi;
+                     }
+                     switch (tkind) {
+                     case 1:
+                       Colorize(ColorTell, FALSE);
+                       curColor = ColorTell;
+                       break;
+                     case 2:
+                       Colorize(ColorKibitz, FALSE);
+                       curColor = ColorKibitz;
+                       break;
+                     case 3:
+                       p = strrchr(star_match[1], '(');
+                       if (p == NULL) {
+                         p = star_match[1];
+                       } else {
+                         p++;
+                       }
+                       if (atoi(p) == 1) {
+                         Colorize(ColorChannel1, FALSE);
+                         curColor = ColorChannel1;
+                       } else {
+                         Colorize(ColorChannel, FALSE);
+                         curColor = ColorChannel;
+                       }
+                       break;
+                     case 5:
+                       curColor = ColorNormal;
+                       break;
+                     }
+                   }
+                   if (started == STARTED_NONE && appData.autoComment &&
+                       (gameMode == IcsObserving ||
+                        gameMode == IcsPlayingWhite ||
+                        gameMode == IcsPlayingBlack)) {
+                     parse_pos = i - oldi;
+                     memcpy(parse, &buf[oldi], parse_pos);
+                     parse[parse_pos] = NULLCHAR;
+                     started = STARTED_COMMENT;
+                     savingComment = TRUE;
+                   } else {
+                     started = STARTED_CHATTER;
+                     savingComment = FALSE;
+                   }
+                   loggedOn = TRUE;
+                   continue;
+                 }
+               }
+
+               if (looking_at(buf, &i, "* s-shouts: ") ||
+                   looking_at(buf, &i, "* c-shouts: ")) {
+                   if (appData.colorize) {
+                       if (oldi > next_out) {
+                           SendToPlayer(&buf[next_out], oldi - next_out);
+                           next_out = oldi;
+                       }
+                       Colorize(ColorSShout, FALSE);
+                       curColor = ColorSShout;
+                   }
+                   loggedOn = TRUE;
+                   started = STARTED_CHATTER;
+                   continue;
+               }
+
+               if (looking_at(buf, &i, "--->")) {
+                   loggedOn = TRUE;
+                   continue;
+               }
+
+               if (looking_at(buf, &i, "* shouts: ") ||
+                   looking_at(buf, &i, "--> ")) {
+                   if (appData.colorize) {
+                       if (oldi > next_out) {
+                           SendToPlayer(&buf[next_out], oldi - next_out);
+                           next_out = oldi;
+                       }
+                       Colorize(ColorShout, FALSE);
+                       curColor = ColorShout;
+                   }
+                   loggedOn = TRUE;
+                   started = STARTED_CHATTER;
+                   continue;
+               }
+
+               if (looking_at( buf, &i, "Challenge:")) {
+                   if (appData.colorize) {
+                       if (oldi > next_out) {
+                           SendToPlayer(&buf[next_out], oldi - next_out);
+                           next_out = oldi;
+                       }
+                       Colorize(ColorChallenge, FALSE);
+                       curColor = ColorChallenge;
+                   }
+                   loggedOn = TRUE;
+                   continue;
+               }
+
+               if (looking_at(buf, &i, "* offers you") ||
+                   looking_at(buf, &i, "* offers to be") ||
+                   looking_at(buf, &i, "* would like to") ||
+                   looking_at(buf, &i, "* requests to") ||
+                   looking_at(buf, &i, "Your opponent offers") ||
+                   looking_at(buf, &i, "Your opponent requests")) {
+
+                   if (appData.colorize) {
+                       if (oldi > next_out) {
+                           SendToPlayer(&buf[next_out], oldi - next_out);
+                           next_out = oldi;
+                       }
+                       Colorize(ColorRequest, FALSE);
+                       curColor = ColorRequest;
+                   }
+                   continue;
+               }
+
+               if (looking_at(buf, &i, "* (*) seeking")) {
+                   if (appData.colorize) {
+                       if (oldi > next_out) {
+                           SendToPlayer(&buf[next_out], oldi - next_out);
+                           next_out = oldi;
+                       }
+                       Colorize(ColorSeek, FALSE);
+                       curColor = ColorSeek;
+                   }
+                   continue;
+           }
+
+           if (looking_at(buf, &i, "\\   ")) {
+               if (prevColor != ColorNormal) {
+                   if (oldi > next_out) {
+                       SendToPlayer(&buf[next_out], oldi - next_out);
+                       next_out = oldi;
+                   }
+                   Colorize(prevColor, TRUE);
+                   curColor = prevColor;
+               }
+               if (savingComment) {
+                   parse_pos = i - oldi;
+                   memcpy(parse, &buf[oldi], parse_pos);
+                   parse[parse_pos] = NULLCHAR;
+                   started = STARTED_COMMENT;
+               } else {
+                   started = STARTED_CHATTER;
+               }
+               continue;
+           }
+
+           if (looking_at(buf, &i, "Black Strength :") ||
+               looking_at(buf, &i, "<<< style 10 board >>>") ||
+               looking_at(buf, &i, "<10>") ||
+               looking_at(buf, &i, "#@#")) {
+               /* Wrong board style */
+               loggedOn = TRUE;
+               SendToICS(ics_prefix);
+               SendToICS("set style 12\n");
+               SendToICS(ics_prefix);
+               SendToICS("refresh\n");
+               continue;
+           }
+           
+           if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
+               ICSInitScript();
+               have_sent_ICS_logon = 1;
+               continue;
+           }
+             
+           if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ && 
+               (looking_at(buf, &i, "\n<12> ") ||
+                looking_at(buf, &i, "<12> "))) {
+               loggedOn = TRUE;
+               if (oldi > next_out) {
+                   SendToPlayer(&buf[next_out], oldi - next_out);
+               }
+               next_out = i;
+               started = STARTED_BOARD;
+               parse_pos = 0;
+               continue;
+           }
+
+           if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
+               looking_at(buf, &i, "<b1> ")) {
+               if (oldi > next_out) {
+                   SendToPlayer(&buf[next_out], oldi - next_out);
+               }
+               next_out = i;
+               started = STARTED_HOLDINGS;
+               parse_pos = 0;
+               continue;
+           }
+
+           if (looking_at(buf, &i, "* *vs. * *--- *")) {
+               loggedOn = TRUE;
+               /* Header for a move list -- first line */
+
+               switch (ics_getting_history) {
+                 case H_FALSE:
+                   switch (gameMode) {
+                     case IcsIdle:
+                     case BeginningOfGame:
+                       /* User typed "moves" or "oldmoves" while we
+                          were idle.  Pretend we asked for these
+                          moves and soak them up so user can step
+                          through them and/or save them.
+                          */
+                       Reset(FALSE, TRUE);
+                       gameMode = IcsObserving;
+                       ModeHighlight();
+                       ics_gamenum = -1;
+                       ics_getting_history = H_GOT_UNREQ_HEADER;
+                       break;
+                     case EditGame: /*?*/
+                     case EditPosition: /*?*/
+                       /* Should above feature work in these modes too? */
+                       /* For now it doesn't */
+                       ics_getting_history = H_GOT_UNWANTED_HEADER;
+                       break;
+                     default:
+                       ics_getting_history = H_GOT_UNWANTED_HEADER;
+                       break;
+                   }
+                   break;
+                 case H_REQUESTED:
+                   /* Is this the right one? */
+                   if (gameInfo.white && gameInfo.black &&
+                       strcmp(gameInfo.white, star_match[0]) == 0 &&
+                       strcmp(gameInfo.black, star_match[2]) == 0) {
+                       /* All is well */
+                       ics_getting_history = H_GOT_REQ_HEADER;
+                   }
+                   break;
+                 case H_GOT_REQ_HEADER:
+                 case H_GOT_UNREQ_HEADER:
+                 case H_GOT_UNWANTED_HEADER:
+                 case H_GETTING_MOVES:
+                   /* Should not happen */
+                   DisplayError(_("Error gathering move list: two headers"), 0);
+                   ics_getting_history = H_FALSE;
+                   break;
+               }
+
+               /* Save player ratings into gameInfo if needed */
+               if ((ics_getting_history == H_GOT_REQ_HEADER ||
+                    ics_getting_history == H_GOT_UNREQ_HEADER) &&
+                   (gameInfo.whiteRating == -1 ||
+                    gameInfo.blackRating == -1)) {
+
+                   gameInfo.whiteRating = string_to_rating(star_match[1]);
+                   gameInfo.blackRating = string_to_rating(star_match[3]);
+                   if (appData.debugMode)
+                     fprintf(debugFP, _("Ratings from header: W %d, B %d\n"), 
+                             gameInfo.whiteRating, gameInfo.blackRating);
+               }
+               continue;
+           }
+
+           if (looking_at(buf, &i,
+             "* * match, initial time: * minute*, increment: * second")) {
+               /* Header for a move list -- second line */
+               /* Initial board will follow if this is a wild game */
+               if (gameInfo.event != NULL) free(gameInfo.event);
+               sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
+               gameInfo.event = StrSave(str);
+                /* [HGM] we switched variant. Translate boards if needed. */
+                VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
+               continue;
+           }
+
+           if (looking_at(buf, &i, "Move  ")) {
+               /* Beginning of a move list */
+               switch (ics_getting_history) {
+                 case H_FALSE:
+                   /* Normally should not happen */
+                   /* Maybe user hit reset while we were parsing */
+                   break;
+                 case H_REQUESTED:
+                   /* Happens if we are ignoring a move list that is not
+                    * the one we just requested.  Common if the user
+                    * tries to observe two games without turning off
+                    * getMoveList */
+                   break;
+                 case H_GETTING_MOVES:
+                   /* Should not happen */
+                   DisplayError(_("Error gathering move list: nested"), 0);
+                   ics_getting_history = H_FALSE;
+                   break;
+                 case H_GOT_REQ_HEADER:
+                   ics_getting_history = H_GETTING_MOVES;
+                   started = STARTED_MOVES;
+                   parse_pos = 0;
+                   if (oldi > next_out) {
+                       SendToPlayer(&buf[next_out], oldi - next_out);
+                   }
+                   break;
+                 case H_GOT_UNREQ_HEADER:
+                   ics_getting_history = H_GETTING_MOVES;
+                   started = STARTED_MOVES_NOHIDE;
+                   parse_pos = 0;
+                   break;
+                 case H_GOT_UNWANTED_HEADER:
+                   ics_getting_history = H_FALSE;
+                   break;
+               }
+               continue;
+           }                           
+           
+           if (looking_at(buf, &i, "% ") ||
+               ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
+                && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
+               savingComment = FALSE;
+               switch (started) {
+                 case STARTED_MOVES:
+                 case STARTED_MOVES_NOHIDE:
+                   memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
+                   parse[parse_pos + i - oldi] = NULLCHAR;
+                   ParseGameHistory(parse);
+#if ZIPPY
+                   if (appData.zippyPlay && first.initDone) {
+                       FeedMovesToProgram(&first, forwardMostMove);
+                       if (gameMode == IcsPlayingWhite) {
+                           if (WhiteOnMove(forwardMostMove)) {
+                               if (first.sendTime) {
+                                 if (first.useColors) {
+                                   SendToProgram("black\n", &first); 
+                                 }
+                                 SendTimeRemaining(&first, TRUE);
+                               }
+#if 0
+                               if (first.useColors) {
+                                 SendToProgram("white\ngo\n", &first);
+                               } else {
+                                 SendToProgram("go\n", &first);
+                               }
+#else
+                               if (first.useColors) {
+                                 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
+                               }
+                               bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
+#endif
+                               first.maybeThinking = TRUE;
+                           } else {
+                               if (first.usePlayother) {
+                                 if (first.sendTime) {
+                                   SendTimeRemaining(&first, TRUE);
+                                 }
+                                 SendToProgram("playother\n", &first);
+                                 firstMove = FALSE;
+                               } else {
+                                 firstMove = TRUE;
+                               }
+                           }
+                       } else if (gameMode == IcsPlayingBlack) {
+                           if (!WhiteOnMove(forwardMostMove)) {
+                               if (first.sendTime) {
+                                 if (first.useColors) {
+                                   SendToProgram("white\n", &first);
+                                 }
+                                 SendTimeRemaining(&first, FALSE);
+                               }
+#if 0
+                               if (first.useColors) {
+                                 SendToProgram("black\ngo\n", &first);
+                               } else {
+                                 SendToProgram("go\n", &first);
+                               }
+#else
+                               if (first.useColors) {
+                                 SendToProgram("black\n", &first);
+                               }
+                               bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
+#endif
+                               first.maybeThinking = TRUE;
+                           } else {
+                               if (first.usePlayother) {
+                                 if (first.sendTime) {
+                                   SendTimeRemaining(&first, FALSE);
+                                 }
+                                 SendToProgram("playother\n", &first);
+                                 firstMove = FALSE;
+                               } else {
+                                 firstMove = TRUE;
+                               }
+                           }
+                       }                       
+                   }
+#endif
+                   if (gameMode == IcsObserving && ics_gamenum == -1) {
+                       /* Moves came from oldmoves or moves command
+                          while we weren't doing anything else.
+                          */
+                       currentMove = forwardMostMove;
+                       ClearHighlights();/*!!could figure this out*/
+                       flipView = appData.flipView;
+                       DrawPosition(FALSE, boards[currentMove]);
+                       DisplayBothClocks();
+                       sprintf(str, "%s vs. %s",
+                               gameInfo.white, gameInfo.black);
+                       DisplayTitle(str);
+                       gameMode = IcsIdle;
+                   } else {
+                       /* Moves were history of an active game */
+                       if (gameInfo.resultDetails != NULL) {
+                           free(gameInfo.resultDetails);
+                           gameInfo.resultDetails = NULL;
+                       }
+                   }
+                   HistorySet(parseList, backwardMostMove,
+                              forwardMostMove, currentMove-1);
+                   DisplayMove(currentMove - 1);
+                   if (started == STARTED_MOVES) next_out = i;
+                   started = STARTED_NONE;
+                   ics_getting_history = H_FALSE;
+                   break;
+
+                 case STARTED_OBSERVE:
+                   started = STARTED_NONE;
+                   SendToICS(ics_prefix);
+                   SendToICS("refresh\n");
+                   break;
+
+                 default:
+                   break;
+               }
+               if(bookHit) { // [HGM] book: simulate book reply
+                   static char bookMove[MSG_SIZ]; // a bit generous?
+
+                   programStats.nodes = programStats.depth = programStats.time = 
+                   programStats.score = programStats.got_only_move = 0;
+                   sprintf(programStats.movelist, "%s (xbook)", bookHit);
+
+                   strcpy(bookMove, "move ");
+                   strcat(bookMove, bookHit);
+                   HandleMachineMove(bookMove, &first);
+               }
+               continue;
+           }
+           
+           if ((started == STARTED_MOVES || started == STARTED_BOARD ||
+                started == STARTED_HOLDINGS ||
+                started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
+               /* Accumulate characters in move list or board */
+               parse[parse_pos++] = buf[i];
+           }
+           
+           /* Start of game messages.  Mostly we detect start of game
+              when the first board image arrives.  On some versions
+              of the ICS, though, we need to do a "refresh" after starting
+              to observe in order to get the current board right away. */
+           if (looking_at(buf, &i, "Adding game * to observation list")) {
+               started = STARTED_OBSERVE;
+               continue;
+           }
+
+           /* Handle auto-observe */
+           if (appData.autoObserve &&
+               (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
+               looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
+               char *player;
+               /* Choose the player that was highlighted, if any. */
+               if (star_match[0][0] == '\033' ||
+                   star_match[1][0] != '\033') {
+                   player = star_match[0];
+               } else {
+                   player = star_match[2];
+               }
+               sprintf(str, "%sobserve %s\n",
+                       ics_prefix, StripHighlightAndTitle(player));
+               SendToICS(str);
+
+               /* Save ratings from notify string */
+               strcpy(player1Name, star_match[0]);
+               player1Rating = string_to_rating(star_match[1]);
+               strcpy(player2Name, star_match[2]);
+               player2Rating = string_to_rating(star_match[3]);
+
+               if (appData.debugMode)
+                 fprintf(debugFP, 
+                         "Ratings from 'Game notification:' %s %d, %s %d\n",
+                         player1Name, player1Rating,
+                         player2Name, player2Rating);
+
+               continue;
+           }
+
+           /* Deal with automatic examine mode after a game,
+              and with IcsObserving -> IcsExamining transition */
+           if (looking_at(buf, &i, "Entering examine mode for game *") ||
+               looking_at(buf, &i, "has made you an examiner of game *")) {
+
+               int gamenum = atoi(star_match[0]);
+               if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
+                   gamenum == ics_gamenum) {
+                   /* We were already playing or observing this game;
+                      no need to refetch history */
+                   gameMode = IcsExamining;
+                   if (pausing) {
+                       pauseExamForwardMostMove = forwardMostMove;
+                   } else if (currentMove < forwardMostMove) {
+                       ForwardInner(forwardMostMove);
+                   }
+               } else {
+                   /* I don't think this case really can happen */
+                   SendToICS(ics_prefix);
+                   SendToICS("refresh\n");
+               }
+               continue;
+           }    
+           
+           /* Error messages */
+           if (ics_user_moved) {
+               if (looking_at(buf, &i, "Illegal move") ||
+                   looking_at(buf, &i, "Not a legal move") ||
+                   looking_at(buf, &i, "Your king is in check") ||
+                   looking_at(buf, &i, "It isn't your turn") ||
+                   looking_at(buf, &i, "It is not your move")) {
+                   /* Illegal move */
+                   ics_user_moved = 0;
+                   if (forwardMostMove > backwardMostMove) {
+                       currentMove = --forwardMostMove;
+                       DisplayMove(currentMove - 1); /* before DMError */
+                       DisplayMoveError(_("Illegal move (rejected by ICS)"));
+                       DrawPosition(FALSE, boards[currentMove]);
+                       SwitchClocks();
+                       DisplayBothClocks();
+                   }
+                   continue;
+               }
+           }
+
+           if (looking_at(buf, &i, "still have time") ||
+               looking_at(buf, &i, "not out of time") ||
+               looking_at(buf, &i, "either player is out of time") ||
+               looking_at(buf, &i, "has timeseal; checking")) {
+               /* We must have called his flag a little too soon */
+               whiteFlag = blackFlag = FALSE;
+               continue;
+           }
+
+           if (looking_at(buf, &i, "added * seconds to") ||
+               looking_at(buf, &i, "seconds were added to")) {
+               /* Update the clocks */
+               SendToICS(ics_prefix);
+               SendToICS("refresh\n");
+               continue;
+           }
+
+           if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
+               ics_clock_paused = TRUE;
+               StopClocks();
+               continue;
+           }
+
+           if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
+               ics_clock_paused = FALSE;
+               StartClocks();
+               continue;
+           }
+
+           /* Grab player ratings from the Creating: message.
+              Note we have to check for the special case when
+              the ICS inserts things like [white] or [black]. */
+           if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
+               looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
+               /* star_matches:
+                  0    player 1 name (not necessarily white)
+                  1    player 1 rating
+                  2    empty, white, or black (IGNORED)
+                  3    player 2 name (not necessarily black)
+                  4    player 2 rating
+                  
+                  The names/ratings are sorted out when the game
+                  actually starts (below).
+               */
+               strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
+               player1Rating = string_to_rating(star_match[1]);
+               strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
+               player2Rating = string_to_rating(star_match[4]);
+
+               if (appData.debugMode)
+                 fprintf(debugFP, 
+                         "Ratings from 'Creating:' %s %d, %s %d\n",
+                         player1Name, player1Rating,
+                         player2Name, player2Rating);
+
+               continue;
+           }
+           
+           /* Improved generic start/end-of-game messages */
+           if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
+               (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
+               /* If tkind == 0: */
+               /* star_match[0] is the game number */
+               /*           [1] is the white player's name */
+               /*           [2] is the black player's name */
+               /* For end-of-game: */
+               /*           [3] is the reason for the game end */
+               /*           [4] is a PGN end game-token, preceded by " " */
+               /* For start-of-game: */
+               /*           [3] begins with "Creating" or "Continuing" */
+               /*           [4] is " *" or empty (don't care). */
+               int gamenum = atoi(star_match[0]);
+               char *whitename, *blackname, *why, *endtoken;
+               ChessMove endtype = (ChessMove) 0;
+
+               if (tkind == 0) {
+                 whitename = star_match[1];
+                 blackname = star_match[2];
+                 why = star_match[3];
+                 endtoken = star_match[4];
+               } else {
+                 whitename = star_match[1];
+                 blackname = star_match[3];
+                 why = star_match[5];
+                 endtoken = star_match[6];
+               }
+
+                /* Game start messages */
+               if (strncmp(why, "Creating ", 9) == 0 ||
+                   strncmp(why, "Continuing ", 11) == 0) {
+                   gs_gamenum = gamenum;
+                   strcpy(gs_kind, strchr(why, ' ') + 1);
+#if ZIPPY
+                   if (appData.zippyPlay) {
+                       ZippyGameStart(whitename, blackname);
+                   }
+#endif /*ZIPPY*/
+                   continue;
+               }
+
+               /* Game end messages */
+               if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
+                   ics_gamenum != gamenum) {
+                   continue;
+               }
+               while (endtoken[0] == ' ') endtoken++;
+               switch (endtoken[0]) {
+                 case '*':
+                 default:
+                   endtype = GameUnfinished;
+                   break;
+                 case '0':
+                   endtype = BlackWins;
+                   break;
+                 case '1':
+                   if (endtoken[1] == '/')
+                     endtype = GameIsDrawn;
+                   else
+                     endtype = WhiteWins;
+                   break;
+               }
+               GameEnds(endtype, why, GE_ICS);
+#if ZIPPY
+               if (appData.zippyPlay && first.initDone) {
+                   ZippyGameEnd(endtype, why);
+                   if (first.pr == NULL) {
+                     /* Start the next process early so that we'll
+                        be ready for the next challenge */
+                     StartChessProgram(&first);
+                   }
+                   /* Send "new" early, in case this command takes
+                      a long time to finish, so that we'll be ready
+                      for the next challenge. */
+                   gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
+                   Reset(TRUE, TRUE);
+               }
+#endif /*ZIPPY*/
+               continue;
+           }
+
+           if (looking_at(buf, &i, "Removing game * from observation") ||
+               looking_at(buf, &i, "no longer observing game *") ||
+               looking_at(buf, &i, "Game * (*) has no examiners")) {
+               if (gameMode == IcsObserving &&
+                   atoi(star_match[0]) == ics_gamenum)
+                 {
+                      /* icsEngineAnalyze */
+                      if (appData.icsEngineAnalyze) {
+                            ExitAnalyzeMode();
+                            ModeHighlight();
+                      }
+                     StopClocks();
+                     gameMode = IcsIdle;
+                     ics_gamenum = -1;
+                     ics_user_moved = FALSE;
+                 }
+               continue;
+           }
+
+           if (looking_at(buf, &i, "no longer examining game *")) {
+               if (gameMode == IcsExamining &&
+                   atoi(star_match[0]) == ics_gamenum)
+                 {
+                     gameMode = IcsIdle;
+                     ics_gamenum = -1;
+                     ics_user_moved = FALSE;
+                 }
+               continue;
+           }
+
+           /* Advance leftover_start past any newlines we find,
+              so only partial lines can get reparsed */
+           if (looking_at(buf, &i, "\n")) {
+               prevColor = curColor;
+               if (curColor != ColorNormal) {
+                   if (oldi > next_out) {
+                       SendToPlayer(&buf[next_out], oldi - next_out);
+                       next_out = oldi;
+                   }
+                   Colorize(ColorNormal, FALSE);
+                   curColor = ColorNormal;
+               }
+               if (started == STARTED_BOARD) {
+                   started = STARTED_NONE;
+                   parse[parse_pos] = NULLCHAR;
+                   ParseBoard12(parse);
+                   ics_user_moved = 0;
+
+                   /* Send premove here */
+                   if (appData.premove) {
+                     char str[MSG_SIZ];
+                     if (currentMove == 0 &&
+                         gameMode == IcsPlayingWhite &&
+                         appData.premoveWhite) {
+                       sprintf(str, "%s%s\n", ics_prefix,
+                               appData.premoveWhiteText);
+                       if (appData.debugMode)
+                         fprintf(debugFP, "Sending premove:\n");
+                       SendToICS(str);
+                     } else if (currentMove == 1 &&
+                                gameMode == IcsPlayingBlack &&
+                                appData.premoveBlack) {
+                       sprintf(str, "%s%s\n", ics_prefix,
+                               appData.premoveBlackText);
+                       if (appData.debugMode)
+                         fprintf(debugFP, "Sending premove:\n");
+                       SendToICS(str);
+                     } else if (gotPremove) {
+                       gotPremove = 0;
+                       ClearPremoveHighlights();
+                       if (appData.debugMode)
+                         fprintf(debugFP, "Sending premove:\n");
+                          UserMoveEvent(premoveFromX, premoveFromY, 
+                                       premoveToX, premoveToY, 
+                                        premovePromoChar);
+                     }
+                   }
+
+                   /* Usually suppress following prompt */
+                   if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
+                       if (looking_at(buf, &i, "*% ")) {
+                           savingComment = FALSE;
+                       }
+                   }
+                   next_out = i;
+               } else if (started == STARTED_HOLDINGS) {
+                   int gamenum;
+                   char new_piece[MSG_SIZ];
+                   started = STARTED_NONE;
+                   parse[parse_pos] = NULLCHAR;
+                   if (appData.debugMode)
+                      fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
+                                                        parse, currentMove);
+                   if (sscanf(parse, " game %d", &gamenum) == 1 &&
+                       gamenum == ics_gamenum) {
+                       if (gameInfo.variant == VariantNormal) {
+                          /* [HGM] We seem to switch variant during a game!
+                           * Presumably no holdings were displayed, so we have
+                           * to move the position two files to the right to
+                           * create room for them!
+                           */
+                          VariantSwitch(boards[currentMove], VariantCrazyhouse); /* temp guess */
+                         /* Get a move list just to see the header, which
+                            will tell us whether this is really bug or zh */
+                         if (ics_getting_history == H_FALSE) {
+                           ics_getting_history = H_REQUESTED;
+                           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
+                           SendToICS(str);
+                         }
+                       }
+                       new_piece[0] = NULLCHAR;
+                       sscanf(parse, "game %d white [%s black [%s <- %s",
+                              &gamenum, white_holding, black_holding,
+                              new_piece);
+                        white_holding[strlen(white_holding)-1] = NULLCHAR;
+                        black_holding[strlen(black_holding)-1] = NULLCHAR;
+                        /* [HGM] copy holdings to board holdings area */
+                        CopyHoldings(boards[currentMove], white_holding, WhitePawn);
+                        CopyHoldings(boards[currentMove], black_holding, BlackPawn);
+#if ZIPPY
+                       if (appData.zippyPlay && first.initDone) {
+                           ZippyHoldings(white_holding, black_holding,
+                                         new_piece);
+                       }
+#endif /*ZIPPY*/
+                       if (tinyLayout || smallLayout) {
+                           char wh[16], bh[16];
+                           PackHolding(wh, white_holding);
+                           PackHolding(bh, black_holding);
+                           sprintf(str, "[%s-%s] %s-%s", wh, bh,
+                                   gameInfo.white, gameInfo.black);
+                       } else {
+                           sprintf(str, "%s [%s] vs. %s [%s]",
+                                   gameInfo.white, white_holding,
+                                   gameInfo.black, black_holding);
+                       }
+
+                        DrawPosition(FALSE, boards[currentMove]);
+                       DisplayTitle(str);
+                   }
+                   /* Suppress following prompt */
+                   if (looking_at(buf, &i, "*% ")) {
+                       savingComment = FALSE;
+                   }
+                   next_out = i;
+               }
+               continue;
+           }
+
+           i++;                /* skip unparsed character and loop back */
+       }
+       
+       if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
+           started != STARTED_HOLDINGS && i > next_out) {
+           SendToPlayer(&buf[next_out], i - next_out);
+           next_out = i;
+       }
+       suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
+       
+       leftover_len = buf_len - leftover_start;
+       /* if buffer ends with something we couldn't parse,
+          reparse it after appending the next read */
+       
+    } else if (count == 0) {
+       RemoveInputSource(isr);
+        DisplayFatalError(_("Connection closed by ICS"), 0, 0);
+    } else {
+       DisplayFatalError(_("Error reading from ICS"), error, 1);
+    }
+}
+
+
+/* Board style 12 looks like this:
+   
+   <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
+   
+ * The "<12> " is stripped before it gets to this routine.  The two
+ * trailing 0's (flip state and clock ticking) are later addition, and
+ * some chess servers may not have them, or may have only the first.
+ * Additional trailing fields may be added in the future.  
+ */
+
+#define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
+
+#define RELATION_OBSERVING_PLAYED    0
+#define RELATION_OBSERVING_STATIC   -2   /* examined, oldmoves, or smoves */
+#define RELATION_PLAYING_MYMOVE      1
+#define RELATION_PLAYING_NOTMYMOVE  -1
+#define RELATION_EXAMINING           2
+#define RELATION_ISOLATED_BOARD     -3
+#define RELATION_STARTING_POSITION  -4   /* FICS only */
+
+void
+ParseBoard12(string)
+     char *string;
+{ 
+    GameMode newGameMode;
+    int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
+    int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
+    int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
+    char to_play, board_chars[200];
+    char move_str[500], str[500], elapsed_time[500];
+    char black[32], white[32];
+    Board board;
+    int prevMove = currentMove;
+    int ticking = 2;
+    ChessMove moveType;
+    int fromX, fromY, toX, toY;
+    char promoChar;
+    int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
+    char *bookHit = NULL; // [HGM] book
+
+    fromX = fromY = toX = toY = -1;
+    
+    newGame = FALSE;
+
+    if (appData.debugMode)
+      fprintf(debugFP, _("Parsing board: %s\n"), string);
+
+    move_str[0] = NULLCHAR;
+    elapsed_time[0] = NULLCHAR;
+    {   /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
+        int  i = 0, j;
+        while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
+           if(string[i] == ' ') { ranks++; files = 0; }
+            else files++;
+           i++;
+       }
+       for(j = 0; j <i; j++) board_chars[j] = string[j];
+        board_chars[i] = '\0';
+       string += i + 1;
+    }
+    n = sscanf(string, PATTERN, &to_play, &double_push,
+              &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
+              &gamenum, white, black, &relation, &basetime, &increment,
+              &white_stren, &black_stren, &white_time, &black_time,
+              &moveNum, str, elapsed_time, move_str, &ics_flip,
+              &ticking);
+
+    if (n < 21) {
+        snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
+       DisplayError(str, 0);
+       return;
+    }
+
+    /* Convert the move number to internal form */
+    moveNum = (moveNum - 1) * 2;
+    if (to_play == 'B') moveNum++;
+    if (moveNum >= MAX_MOVES) {
+      DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
+                       0, 1);
+      return;
+    }
+    
+    switch (relation) {
+      case RELATION_OBSERVING_PLAYED:
+      case RELATION_OBSERVING_STATIC:
+       if (gamenum == -1) {
+           /* Old ICC buglet */
+           relation = RELATION_OBSERVING_STATIC;
+       }
+       newGameMode = IcsObserving;
+       break;
+      case RELATION_PLAYING_MYMOVE:
+      case RELATION_PLAYING_NOTMYMOVE:
+       newGameMode =
+         ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
+           IcsPlayingWhite : IcsPlayingBlack;
+       break;
+      case RELATION_EXAMINING:
+       newGameMode = IcsExamining;
+       break;
+      case RELATION_ISOLATED_BOARD:
+      default:
+       /* Just display this board.  If user was doing something else,
+          we will forget about it until the next board comes. */ 
+       newGameMode = IcsIdle;
+       break;
+      case RELATION_STARTING_POSITION:
+       newGameMode = gameMode;
+       break;
+    }
+    
+    /* Modify behavior for initial board display on move listing
+       of wild games.
+       */
+    switch (ics_getting_history) {
+      case H_FALSE:
+      case H_REQUESTED:
+       break;
+      case H_GOT_REQ_HEADER:
+      case H_GOT_UNREQ_HEADER:
+       /* This is the initial position of the current game */
+       gamenum = ics_gamenum;
+       moveNum = 0;            /* old ICS bug workaround */
+       if (to_play == 'B') {
+         startedFromSetupPosition = TRUE;
+         blackPlaysFirst = TRUE;
+         moveNum = 1;
+         if (forwardMostMove == 0) forwardMostMove = 1;
+         if (backwardMostMove == 0) backwardMostMove = 1;
+         if (currentMove == 0) currentMove = 1;
+       }
+       newGameMode = gameMode;
+       relation = RELATION_STARTING_POSITION; /* ICC needs this */
+       break;
+      case H_GOT_UNWANTED_HEADER:
+       /* This is an initial board that we don't want */
+       return;
+      case H_GETTING_MOVES:
+       /* Should not happen */
+       DisplayError(_("Error gathering move list: extra board"), 0);
+       ics_getting_history = H_FALSE;
+       return;
+    }
+    
+    /* Take action if this is the first board of a new game, or of a
+       different game than is currently being displayed.  */
+    if (gamenum != ics_gamenum || newGameMode != gameMode ||
+       relation == RELATION_ISOLATED_BOARD) {
+       
+       /* Forget the old game and get the history (if any) of the new one */
+       if (gameMode != BeginningOfGame) {
+         Reset(FALSE, TRUE);
+       }
+       newGame = TRUE;
+       if (appData.autoRaiseBoard) BoardToTop();
+       prevMove = -3;
+       if (gamenum == -1) {
+           newGameMode = IcsIdle;
+       } else if (moveNum > 0 && newGameMode != IcsIdle &&
+                  appData.getMoveList) {
+           /* Need to get game history */
+           ics_getting_history = H_REQUESTED;
+           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
+           SendToICS(str);
+       }
+       
+       /* Initially flip the board to have black on the bottom if playing
+          black or if the ICS flip flag is set, but let the user change
+          it with the Flip View button. */
+       flipView = appData.autoFlipView ? 
+         (newGameMode == IcsPlayingBlack) || ics_flip :
+         appData.flipView;
+       
+       /* Done with values from previous mode; copy in new ones */
+       gameMode = newGameMode;
+       ModeHighlight();
+       ics_gamenum = gamenum;
+       if (gamenum == gs_gamenum) {
+           int klen = strlen(gs_kind);
+           if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
+           sprintf(str, "ICS %s", gs_kind);
+           gameInfo.event = StrSave(str);
+       } else {
+           gameInfo.event = StrSave("ICS game");
+       }
+       gameInfo.site = StrSave(appData.icsHost);
+       gameInfo.date = PGNDate();
+       gameInfo.round = StrSave("-");
+       gameInfo.white = StrSave(white);
+       gameInfo.black = StrSave(black);
+       timeControl = basetime * 60 * 1000;
+        timeControl_2 = 0;
+       timeIncrement = increment * 1000;
+       movesPerSession = 0;
+       gameInfo.timeControl = TimeControlTagValue();
+        VariantSwitch(board, StringToVariant(gameInfo.event) );
+  if (appData.debugMode) {
+    fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
+    fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
+    setbuf(debugFP, NULL);
+  }
+
+        gameInfo.outOfBook = NULL;
+       
+       /* Do we have the ratings? */
+       if (strcmp(player1Name, white) == 0 &&
+           strcmp(player2Name, black) == 0) {
+           if (appData.debugMode)
+             fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
+                     player1Rating, player2Rating);
+           gameInfo.whiteRating = player1Rating;
+           gameInfo.blackRating = player2Rating;
+       } else if (strcmp(player2Name, white) == 0 &&
+                  strcmp(player1Name, black) == 0) {
+           if (appData.debugMode)
+             fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
+                     player2Rating, player1Rating);
+           gameInfo.whiteRating = player2Rating;
+           gameInfo.blackRating = player1Rating;
+       }
+       player1Name[0] = player2Name[0] = NULLCHAR;
+
+       /* Silence shouts if requested */
+       if (appData.quietPlay &&
+           (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
+           SendToICS(ics_prefix);
+           SendToICS("set shout 0\n");
+       }
+    }
+    
+    /* Deal with midgame name changes */
+    if (!newGame) {
+       if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
+           if (gameInfo.white) free(gameInfo.white);
+           gameInfo.white = StrSave(white);
+       }
+       if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
+           if (gameInfo.black) free(gameInfo.black);
+           gameInfo.black = StrSave(black);
+       }
+    }
+    
+    /* Throw away game result if anything actually changes in examine mode */
+    if (gameMode == IcsExamining && !newGame) {
+       gameInfo.result = GameUnfinished;
+       if (gameInfo.resultDetails != NULL) {
+           free(gameInfo.resultDetails);
+           gameInfo.resultDetails = NULL;
+       }
+    }
+    
+    /* In pausing && IcsExamining mode, we ignore boards coming
+       in if they are in a different variation than we are. */
+    if (pauseExamInvalid) return;
+    if (pausing && gameMode == IcsExamining) {
+       if (moveNum <= pauseExamForwardMostMove) {
+           pauseExamInvalid = TRUE;
+           forwardMostMove = pauseExamForwardMostMove;
+           return;
+       }
+    }
+    
+  if (appData.debugMode) {
+    fprintf(debugFP, "load %dx%d board\n", files, ranks);
+  }
+    /* Parse the board */
+    for (k = 0; k < ranks; k++) {
+      for (j = 0; j < files; j++)
+        board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
+      if(gameInfo.holdingsWidth > 1) {
+           board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
+           board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
+      }
+    }
+    CopyBoard(boards[moveNum], board);
+    if (moveNum == 0) {
+       startedFromSetupPosition =
+         !CompareBoards(board, initialPosition);
+        if(startedFromSetupPosition)
+            initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
+    }
+
+    /* [HGM] Set castling rights. Take the outermost Rooks,
+       to make it also work for FRC opening positions. Note that board12
+       is really defective for later FRC positions, as it has no way to
+       indicate which Rook can castle if they are on the same side of King.
+       For the initial position we grant rights to the outermost Rooks,
+       and remember thos rights, and we then copy them on positions
+       later in an FRC game. This means WB might not recognize castlings with
+       Rooks that have moved back to their original position as illegal,
+       but in ICS mode that is not its job anyway.
+    */
+    if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
+    { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
+
+        for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
+            if(board[0][i] == WhiteRook) j = i;
+        initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
+        for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
+            if(board[0][i] == WhiteRook) j = i;
+        initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
+        for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
+            if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
+        initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
+        for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
+            if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
+        initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
+
+       if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
+        for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
+            if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
+        for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
+            if(board[BOARD_HEIGHT-1][k] == bKing)
+                initialRights[5] = castlingRights[moveNum][5] = k;
+    } else { int r;
+        r = castlingRights[moveNum][0] = initialRights[0];
+        if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
+        r = castlingRights[moveNum][1] = initialRights[1];
+        if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
+        r = castlingRights[moveNum][3] = initialRights[3];
+        if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
+        r = castlingRights[moveNum][4] = initialRights[4];
+        if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
+        /* wildcastle kludge: always assume King has rights */
+        r = castlingRights[moveNum][2] = initialRights[2];
+        r = castlingRights[moveNum][5] = initialRights[5];
+    }
+    /* [HGM] e.p. rights. Assume that ICS sends file number here? */
+    epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
+
+    
+    if (ics_getting_history == H_GOT_REQ_HEADER ||
+       ics_getting_history == H_GOT_UNREQ_HEADER) {
+       /* This was an initial position from a move list, not
+          the current position */
+       return;
+    }
+    
+    /* Update currentMove and known move number limits */
+    newMove = newGame || moveNum > forwardMostMove;
+
+    /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
+    if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {
+        takeback = forwardMostMove - moveNum;
+        for (i = 0; i < takeback; i++) {
+             if (appData.debugMode) fprintf(debugFP, "take back move\n");
+             SendToProgram("undo\n", &first);
+        }
+    }
+
+    if (newGame) {
+       forwardMostMove = backwardMostMove = currentMove = moveNum;
+       if (gameMode == IcsExamining && moveNum == 0) {
+         /* Workaround for ICS limitation: we are not told the wild
+            type when starting to examine a game.  But if we ask for
+            the move list, the move list header will tell us */
+           ics_getting_history = H_REQUESTED;
+           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
+           SendToICS(str);
+       }
+    } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
+              || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
+       forwardMostMove = moveNum;
+       if (!pausing || currentMove > forwardMostMove)
+         currentMove = forwardMostMove;
+    } else {
+       /* New part of history that is not contiguous with old part */ 
+       if (pausing && gameMode == IcsExamining) {
+           pauseExamInvalid = TRUE;
+           forwardMostMove = pauseExamForwardMostMove;
+           return;
+       }
+       forwardMostMove = backwardMostMove = currentMove = moveNum;
+       if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
+           ics_getting_history = H_REQUESTED;
+           sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
+           SendToICS(str);
+       }
+    }
+    
+    /* Update the clocks */
+    if (strchr(elapsed_time, '.')) {
+      /* Time is in ms */
+      timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
+      timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
+    } else {
+      /* Time is in seconds */
+      timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
+      timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
+    }
+      
+
+#if ZIPPY
+    if (appData.zippyPlay && newGame &&
+       gameMode != IcsObserving && gameMode != IcsIdle &&
+       gameMode != IcsExamining)
+      ZippyFirstBoard(moveNum, basetime, increment);
+#endif
+    
+    /* Put the move on the move list, first converting
+       to canonical algebraic form. */
+    if (moveNum > 0) {
+  if (appData.debugMode) {
+    if (appData.debugMode) { int f = forwardMostMove;
+        fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
+                castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
+    }
+    fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
+    fprintf(debugFP, "moveNum = %d\n", moveNum);
+    fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
+    setbuf(debugFP, NULL);
+  }
+       if (moveNum <= backwardMostMove) {
+           /* We don't know what the board looked like before
+              this move.  Punt. */
+           strcpy(parseList[moveNum - 1], move_str);
+           strcat(parseList[moveNum - 1], " ");
+           strcat(parseList[moveNum - 1], elapsed_time);
+           moveList[moveNum - 1][0] = NULLCHAR;
+       } else if (strcmp(move_str, "none") == 0) {
+           // [HGM] long SAN: swapped order; test for 'none' before parsing move
+           /* Again, we don't know what the board looked like;
+              this is really the start of the game. */
+           parseList[moveNum - 1][0] = NULLCHAR;
+           moveList[moveNum - 1][0] = NULLCHAR;
+           backwardMostMove = moveNum;
+           startedFromSetupPosition = TRUE;
+           fromX = fromY = toX = toY = -1;
+       } else {
+         // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move. 
+         //                 So we parse the long-algebraic move string in stead of the SAN move
+         int valid; char buf[MSG_SIZ], *prom;
+
+         // str looks something like "Q/a1-a2"; kill the slash
+         if(str[1] == '/') 
+               sprintf(buf, "%c%s", str[0], str+2);
+         else  strcpy(buf, str); // might be castling
+         if((prom = strstr(move_str, "=")) && !strstr(buf, "=")) 
+               strcat(buf, prom); // long move lacks promo specification!
+         if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
+               if(appData.debugMode) 
+                       fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
+               strcpy(move_str, buf);
+          }
+         valid = ParseOneMove(move_str, moveNum - 1, &moveType,
+                               &fromX, &fromY, &toX, &toY, &promoChar)
+              || ParseOneMove(buf, moveNum - 1, &moveType,
+                               &fromX, &fromY, &toX, &toY, &promoChar);
+         // end of long SAN patch
+         if (valid) {
+           (void) CoordsToAlgebraic(boards[moveNum - 1],
+                                    PosFlags(moveNum - 1), EP_UNKNOWN,
+                                    fromY, fromX, toY, toX, promoChar,
+                                    parseList[moveNum-1]);
+            switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
+                             castlingRights[moveNum]) ) {
+             case MT_NONE:
+             case MT_STALEMATE:
+             default:
+               break;
+             case MT_CHECK:
+                if(gameInfo.variant != VariantShogi)
+                    strcat(parseList[moveNum - 1], "+");
+               break;
+             case MT_CHECKMATE:
+             case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
+               strcat(parseList[moveNum - 1], "#");
+               break;
+           }
+           strcat(parseList[moveNum - 1], " ");
+           strcat(parseList[moveNum - 1], elapsed_time);
+           /* currentMoveString is set as a side-effect of ParseOneMove */
+           strcpy(moveList[moveNum - 1], currentMoveString);
+           strcat(moveList[moveNum - 1], "\n");
+         } else {
+           /* Move from ICS was illegal!?  Punt. */
+  if (appData.debugMode) {
+    fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
+    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
+  }
+#if 0
+           if (appData.testLegality && appData.debugMode) {
+               sprintf(str, "Illegal move \"%s\" from ICS", move_str);
+               DisplayError(str, 0);
+           }
+#endif
+           strcpy(parseList[moveNum - 1], move_str);
+           strcat(parseList[moveNum - 1], " ");
+           strcat(parseList[moveNum - 1], elapsed_time);
+           moveList[moveNum - 1][0] = NULLCHAR;
+           fromX = fromY = toX = toY = -1;
+         }
+       }
+  if (appData.debugMode) {
+    fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
+    setbuf(debugFP, NULL);
+  }
+
+#if ZIPPY
+       /* Send move to chess program (BEFORE animating it). */
+       if (appData.zippyPlay && !newGame && newMove && 
+          (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
+
+           if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
+               (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
+               if (moveList[moveNum - 1][0] == NULLCHAR) {
+                   sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
+                           move_str);
+                   DisplayError(str, 0);
+               } else {
+                   if (first.sendTime) {
+                       SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
+                   }
+                   bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
+                   if (firstMove && !bookHit) {
+                       firstMove = FALSE;
+                       if (first.useColors) {
+                         SendToProgram(gameMode == IcsPlayingWhite ?
+                                       "white\ngo\n" :
+                                       "black\ngo\n", &first);
+                       } else {
+                         SendToProgram("go\n", &first);
+                       }
+                       first.maybeThinking = TRUE;
+                   }
+               }
+           } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
+             if (moveList[moveNum - 1][0] == NULLCHAR) {
+               sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
+               DisplayError(str, 0);
+             } else {
+               if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
+               SendMoveToProgram(moveNum - 1, &first);
+             }
+           }
+       }
+#endif
+    }
+
+    if (moveNum > 0 && !gotPremove) {
+       /* If move comes from a remote source, animate it.  If it
+          isn't remote, it will have already been animated. */
+       if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
+           AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
+       }
+       if (!pausing && appData.highlightLastMove) {
+           SetHighlights(fromX, fromY, toX, toY);
+       }
+    }
+    
+    /* Start the clocks */
+    whiteFlag = blackFlag = FALSE;
+    appData.clockMode = !(basetime == 0 && increment == 0);
+    if (ticking == 0) {
+      ics_clock_paused = TRUE;
+      StopClocks();
+    } else if (ticking == 1) {
+      ics_clock_paused = FALSE;
+    }
+    if (gameMode == IcsIdle ||
+       relation == RELATION_OBSERVING_STATIC ||
+       relation == RELATION_EXAMINING ||
+       ics_clock_paused)
+      DisplayBothClocks();
+    else
+      StartClocks();
+    
+    /* Display opponents and material strengths */
+    if (gameInfo.variant != VariantBughouse &&
+       gameInfo.variant != VariantCrazyhouse) {
+       if (tinyLayout || smallLayout) {
+           if(gameInfo.variant == VariantNormal)
+               sprintf(str, "%s(%d) %s(%d) {%d %d}", 
+                   gameInfo.white, white_stren, gameInfo.black, black_stren,
+                   basetime, increment);
+           else
+               sprintf(str, "%s(%d) %s(%d) {%d %d w%d}", 
+                   gameInfo.white, white_stren, gameInfo.black, black_stren,
+                   basetime, increment, (int) gameInfo.variant);
+       } else {
+           if(gameInfo.variant == VariantNormal)
+               sprintf(str, "%s (%d) vs. %s (%d) {%d %d}", 
+                   gameInfo.white, white_stren, gameInfo.black, black_stren,
+                   basetime, increment);
+           else
+               sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}", 
+                   gameInfo.white, white_stren, gameInfo.black, black_stren,
+                   basetime, increment, VariantName(gameInfo.variant));
+       }
+       DisplayTitle(str);
+  if (appData.debugMode) {
+    fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
+  }
+    }
+
+   
+    /* Display the board */
+    if (!pausing) {
+      
+      if (appData.premove)
+         if (!gotPremove || 
+            ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
+            ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
+             ClearPremoveHighlights();
+
+      DrawPosition(FALSE, boards[currentMove]);
+      DisplayMove(moveNum - 1);
+      if (appData.ringBellAfterMoves && !ics_user_moved)
+       RingBell();
+    }
+
+    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
+#if ZIPPY
+    if(bookHit) { // [HGM] book: simulate book reply
+       static char bookMove[MSG_SIZ]; // a bit generous?
+
+       programStats.nodes = programStats.depth = programStats.time = 
+       programStats.score = programStats.got_only_move = 0;
+       sprintf(programStats.movelist, "%s (xbook)", bookHit);
+
+       strcpy(bookMove, "move ");
+       strcat(bookMove, bookHit);
+       HandleMachineMove(bookMove, &first);
+    }
+#endif
+}
+
+void
+GetMoveListEvent()
+{
+    char buf[MSG_SIZ];
+    if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
+       ics_getting_history = H_REQUESTED;
+       sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
+       SendToICS(buf);
+    }
+}
+
+void
+AnalysisPeriodicEvent(force)
+     int force;
+{
+    if (((programStats.ok_to_send == 0 || programStats.line_is_book)
+        && !force) || !appData.periodicUpdates)
+      return;
+
+    /* Send . command to Crafty to collect stats */
+    SendToProgram(".\n", &first);
+
+    /* Don't send another until we get a response (this makes
+       us stop sending to old Crafty's which don't understand
+       the "." command (sending illegal cmds resets node count & time,
+       which looks bad)) */
+    programStats.ok_to_send = 0;
+}
+
+void
+SendMoveToProgram(moveNum, cps)
+     int moveNum;
+     ChessProgramState *cps;
+{
+    char buf[MSG_SIZ];
+
+    if (cps->useUsermove) {
+      SendToProgram("usermove ", cps);
+    }
+    if (cps->useSAN) {
+      char *space;
+      if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
+       int len = space - parseList[moveNum];
+       memcpy(buf, parseList[moveNum], len);
+       buf[len++] = '\n';
+       buf[len] = NULLCHAR;
+      } else {
+       sprintf(buf, "%s\n", parseList[moveNum]);
+      }
+      SendToProgram(buf, cps);
+    } else {
+      if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
+       AlphaRank(moveList[moveNum], 4);
+       SendToProgram(moveList[moveNum], cps);
+       AlphaRank(moveList[moveNum], 4); // and back
+      } else
+      /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
+       * the engine. It would be nice to have a better way to identify castle 
+       * moves here. */
+      if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
+                                                                        && cps->useOOCastle) {
+        int fromX = moveList[moveNum][0] - AAA; 
+        int fromY = moveList[moveNum][1] - ONE;
+        int toX = moveList[moveNum][2] - AAA; 
+        int toY = moveList[moveNum][3] - ONE;
+        if((boards[moveNum][fromY][fromX] == WhiteKing 
+            && boards[moveNum][toY][toX] == WhiteRook)
+           || (boards[moveNum][fromY][fromX] == BlackKing 
+               && boards[moveNum][toY][toX] == BlackRook)) {
+         if(toX > fromX) SendToProgram("O-O\n", cps);
+         else SendToProgram("O-O-O\n", cps);
+       }
+       else SendToProgram(moveList[moveNum], cps);
+      }
+      else SendToProgram(moveList[moveNum], cps);
+      /* End of additions by Tord */
+    }
+
+    /* [HGM] setting up the opening has brought engine in force mode! */
+    /*       Send 'go' if we are in a mode where machine should play. */
+    if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
+        (gameMode == TwoMachinesPlay   ||
+#ifdef ZIPPY
+         gameMode == IcsPlayingBlack     || gameMode == IcsPlayingWhite ||
+#endif
+         gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
+        SendToProgram("go\n", cps);
+  if (appData.debugMode) {
+    fprintf(debugFP, "(extra)\n");
+  }
+    }
+    setboardSpoiledMachineBlack = 0;
+}
+
+void
+SendMoveToICS(moveType, fromX, fromY, toX, toY)
+     ChessMove moveType;
+     int fromX, fromY, toX, toY;
+{
+    char user_move[MSG_SIZ];
+
+    switch (moveType) {
+      default:
+       sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
+               (int)moveType, fromX, fromY, toX, toY);
+       DisplayError(user_move + strlen("say "), 0);
+       break;
+      case WhiteKingSideCastle:
+      case BlackKingSideCastle:
+      case WhiteQueenSideCastleWild:
+      case BlackQueenSideCastleWild:
+      /* PUSH Fabien */
+      case WhiteHSideCastleFR:
+      case BlackHSideCastleFR:
+      /* POP Fabien */
+       sprintf(user_move, "o-o\n");
+       break;
+      case WhiteQueenSideCastle:
+      case BlackQueenSideCastle:
+      case WhiteKingSideCastleWild:
+      case BlackKingSideCastleWild:
+      /* PUSH Fabien */
+      case WhiteASideCastleFR:
+      case BlackASideCastleFR:
+      /* POP Fabien */
+       sprintf(user_move, "o-o-o\n");
+       break;
+      case WhitePromotionQueen:
+      case BlackPromotionQueen:
+      case WhitePromotionRook:
+      case BlackPromotionRook:
+      case WhitePromotionBishop:
+      case BlackPromotionBishop:
+      case WhitePromotionKnight:
+      case BlackPromotionKnight:
+      case WhitePromotionKing:
+      case BlackPromotionKing:
+      case WhitePromotionChancellor:
+      case BlackPromotionChancellor:
+      case WhitePromotionArchbishop:
+      case BlackPromotionArchbishop:
+        if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
+            sprintf(user_move, "%c%c%c%c=%c\n",
+                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
+               PieceToChar(WhiteFerz));
+        else if(gameInfo.variant == VariantGreat)
+            sprintf(user_move, "%c%c%c%c=%c\n",
+                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
+               PieceToChar(WhiteMan));
+        else
+            sprintf(user_move, "%c%c%c%c=%c\n",
+                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
+               PieceToChar(PromoPiece(moveType)));
+       break;
+      case WhiteDrop:
+      case BlackDrop:
+       sprintf(user_move, "%c@%c%c\n",
+               ToUpper(PieceToChar((ChessSquare) fromX)),
+                AAA + toX, ONE + toY);
+       break;
+      case NormalMove:
+      case WhiteCapturesEnPassant:
+      case BlackCapturesEnPassant:
+      case IllegalMove:  /* could be a variant we don't quite understand */
+       sprintf(user_move, "%c%c%c%c\n",
+                AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
+       break;
+    }
+    SendToICS(user_move);
+}
+
+void
+CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
+     int rf, ff, rt, ft;
+     char promoChar;
+     char move[7];
+{
+    if (rf == DROP_RANK) {
+       sprintf(move, "%c@%c%c\n",
+                ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
+    } else {
+       if (promoChar == 'x' || promoChar == NULLCHAR) {
+           sprintf(move, "%c%c%c%c\n",
+                    AAA + ff, ONE + rf, AAA + ft, ONE + rt);
+       } else {
+           sprintf(move, "%c%c%c%c%c\n",
+                    AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
+       }
+    }
+}
+
+void
+ProcessICSInitScript(f)
+     FILE *f;
+{
+    char buf[MSG_SIZ];
+
+    while (fgets(buf, MSG_SIZ, f)) {
+       SendToICSDelayed(buf,(long)appData.msLoginDelay);
+    }
+
+    fclose(f);
+}
+
+
+/* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
+void
+AlphaRank(char *move, int n)
+{
+//    char *p = move, c; int x, y;
+
+    if (appData.debugMode) {
+        fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
+    }
+
+    if(move[1]=='*' && 
+       move[2]>='0' && move[2]<='9' &&
+       move[3]>='a' && move[3]<='x'    ) {
+        move[1] = '@';
+        move[2] = BOARD_RGHT  -1 - (move[2]-'1') + AAA;
+        move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
+    } else
+    if(move[0]>='0' && move[0]<='9' &&
+       move[1]>='a' && move[1]<='x' &&
+       move[2]>='0' && move[2]<='9' &&
+       move[3]>='a' && move[3]<='x'    ) {
+        /* input move, Shogi -> normal */
+        move[0] = BOARD_RGHT  -1 - (move[0]-'1') + AAA;
+        move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
+        move[2] = BOARD_RGHT  -1 - (move[2]-'1') + AAA;
+        move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
+    } else
+    if(move[1]=='@' &&
+       move[3]>='0' && move[3]<='9' &&
+       move[2]>='a' && move[2]<='x'    ) {
+        move[1] = '*';
+        move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
+        move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
+    } else
+    if(
+       move[0]>='a' && move[0]<='x' &&
+       move[3]>='0' && move[3]<='9' &&
+       move[2]>='a' && move[2]<='x'    ) {
+         /* output move, normal -> Shogi */
+        move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
+        move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
+        move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
+        move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
+        if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
+    }
+    if (appData.debugMode) {
+        fprintf(debugFP, "   out = '%s'\n", move);
+    }
+}
+
+/* Parser for moves from gnuchess, ICS, or user typein box */
+Boolean
+ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
+     char *move;
+     int moveNum;
+     ChessMove *moveType;
+     int *fromX, *fromY, *toX, *toY;
+     char *promoChar;
+{       
+    if (appData.debugMode) {
+        fprintf(debugFP, "move to parse: %s\n", move);
+    }
+    *moveType = yylexstr(moveNum, move);
+
+    switch (*moveType) {
+      case WhitePromotionChancellor:
+      case BlackPromotionChancellor:
+      case WhitePromotionArchbishop:
+      case BlackPromotionArchbishop:
+      case WhitePromotionQueen:
+      case BlackPromotionQueen:
+      case WhitePromotionRook:
+      case BlackPromotionRook:
+      case WhitePromotionBishop:
+      case BlackPromotionBishop:
+      case WhitePromotionKnight:
+      case BlackPromotionKnight:
+      case WhitePromotionKing:
+      case BlackPromotionKing:
+      case NormalMove:
+      case WhiteCapturesEnPassant:
+      case BlackCapturesEnPassant:
+      case WhiteKingSideCastle:
+      case WhiteQueenSideCastle:
+      case BlackKingSideCastle:
+      case BlackQueenSideCastle:
+      case WhiteKingSideCastleWild:
+      case WhiteQueenSideCastleWild:
+      case BlackKingSideCastleWild:
+      case BlackQueenSideCastleWild:
+      /* Code added by Tord: */
+      case WhiteHSideCastleFR:
+      case WhiteASideCastleFR:
+      case BlackHSideCastleFR:
+      case BlackASideCastleFR:
+      /* End of code added by Tord */
+      case IllegalMove:                /* bug or odd chess variant */
+        *fromX = currentMoveString[0] - AAA;
+        *fromY = currentMoveString[1] - ONE;
+        *toX = currentMoveString[2] - AAA;
+        *toY = currentMoveString[3] - ONE;
+       *promoChar = currentMoveString[4];
+        if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
+            *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
+    if (appData.debugMode) {
+        fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
+    }
+           *fromX = *fromY = *toX = *toY = 0;
+           return FALSE;
+       }
+       if (appData.testLegality) {
+         return (*moveType != IllegalMove);
+       } else {
+         return !(fromX == fromY && toX == toY);
+       }
+
+      case WhiteDrop:
+      case BlackDrop:
+       *fromX = *moveType == WhiteDrop ?
+         (int) CharToPiece(ToUpper(currentMoveString[0])) :
+         (int) CharToPiece(ToLower(currentMoveString[0]));
+       *fromY = DROP_RANK;
+        *toX = currentMoveString[2] - AAA;
+        *toY = currentMoveString[3] - ONE;
+       *promoChar = NULLCHAR;
+       return TRUE;
+
+      case AmbiguousMove:
+      case ImpossibleMove:
+      case (ChessMove) 0:      /* end of file */
+      case ElapsedTime:
+      case Comment:
+      case PGNTag:
+      case NAG:
+      case WhiteWins:
+      case BlackWins:
+      case GameIsDrawn:
+      default:
+    if (appData.debugMode) {
+        fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
+    }
+       /* bug? */
+       *fromX = *fromY = *toX = *toY = 0;
+       *promoChar = NULLCHAR;
+       return FALSE;
+    }
+}
+
+// [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
+// All positions will have equal probability, but the current method will not provide a unique
+// numbering scheme for arrays that contain 3 or more pieces of the same kind.
+#define DARK 1
+#define LITE 2
+#define ANY 3
+
+int squaresLeft[4];
+int piecesLeft[(int)BlackPawn];
+int seed, nrOfShuffles;
+
+void GetPositionNumber()
+{      // sets global variable seed
+       int i;
+
+       seed = appData.defaultFrcPosition;
+       if(seed < 0) { // randomize based on time for negative FRC position numbers
+               for(i=0; i<50; i++) seed += random();
+               seed = random() ^ random() >> 8 ^ random() << 8;
+               if(seed<0) seed = -seed;
+       }
+}
+
+int put(Board board, int pieceType, int rank, int n, int shade)
+// put the piece on the (n-1)-th empty squares of the given shade
+{
+       int i;
+
+       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
+               if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
+                       board[rank][i] = (ChessSquare) pieceType;
+                       squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
+                       squaresLeft[ANY]--;
+                       piecesLeft[pieceType]--; 
+                       return i;
+               }
+       }
+        return -1;
+}
+
+
+void AddOnePiece(Board board, int pieceType, int rank, int shade)
+// calculate where the next piece goes, (any empty square), and put it there
+{
+       int i;
+
+        i = seed % squaresLeft[shade];
+       nrOfShuffles *= squaresLeft[shade];
+       seed /= squaresLeft[shade];
+        put(board, pieceType, rank, i, shade);
+}
+
+void AddTwoPieces(Board board, int pieceType, int rank)
+// calculate where the next 2 identical pieces go, (any empty square), and put it there
+{
+       int i, n=squaresLeft[ANY], j=n-1, k;
+
+       k = n*(n-1)/2; // nr of possibilities, not counting permutations
+        i = seed % k;  // pick one
+       nrOfShuffles *= k;
+       seed /= k;
+       while(i >= j) i -= j--;
+        j = n - 1 - j; i += j;
+        put(board, pieceType, rank, j, ANY);
+        put(board, pieceType, rank, i, ANY);
+}
+
+void SetUpShuffle(Board board, int number)
+{
+       int i, p, first=1;
+
+       GetPositionNumber(); nrOfShuffles = 1;
+
+       squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
+       squaresLeft[ANY]  = BOARD_RGHT - BOARD_LEFT;
+       squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
+
+       for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
+
+       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
+           p = (int) board[0][i];
+           if(p < (int) BlackPawn) piecesLeft[p] ++;
+           board[0][i] = EmptySquare;
+       }
+
+       if(PosFlags(0) & F_ALL_CASTLE_OK) {
+           // shuffles restricted to allow normal castling put KRR first
+           if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
+               put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
+           else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
+               put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
+           if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
+               put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
+           if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
+               put(board, WhiteRook, 0, 0, ANY);
+           // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
+       }
+
+       if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
+           // only for even boards make effort to put pairs of colorbound pieces on opposite colors
+           for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
+               if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
+               while(piecesLeft[p] >= 2) {
+                   AddOnePiece(board, p, 0, LITE);
+                   AddOnePiece(board, p, 0, DARK);
+               }
+               // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
+           }
+
+       for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
+           // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
+           // but we leave King and Rooks for last, to possibly obey FRC restriction
+           if(p == (int)WhiteRook) continue;
+           while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
+           if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY);     // add the odd piece
+       }
+
+       // now everything is placed, except perhaps King (Unicorn) and Rooks
+
+       if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
+           // Last King gets castling rights
+           while(piecesLeft[(int)WhiteUnicorn]) {
+               i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
+               initialRights[2]  = initialRights[5]  = castlingRights[0][2] = castlingRights[0][5] = i;
+           }
+
+           while(piecesLeft[(int)WhiteKing]) {
+               i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
+               initialRights[2]  = initialRights[5]  = castlingRights[0][2] = castlingRights[0][5] = i;
+           }
+
+
+       } else {
+           while(piecesLeft[(int)WhiteKing])    AddOnePiece(board, WhiteKing, 0, ANY);
+           while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
+       }
+
+       // Only Rooks can be left; simply place them all
+       while(piecesLeft[(int)WhiteRook]) {
+               i = put(board, WhiteRook, 0, 0, ANY);
+               if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
+                       if(first) {
+                               first=0;
+                               initialRights[1]  = initialRights[4]  = castlingRights[0][1] = castlingRights[0][4] = i;
+                       }
+                       initialRights[0]  = initialRights[3]  = castlingRights[0][0] = castlingRights[0][3] = i;
+               }
+       }
+       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
+           board[BOARD_HEIGHT-1][i] =  (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
+       }
+
+       if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
+}
+
+int SetCharTable( char *table, const char * map )
+/* [HGM] moved here from winboard.c because of its general usefulness */
+/*       Basically a safe strcpy that uses the last character as King */
+{
+    int result = FALSE; int NrPieces;
+
+    if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare 
+                    && NrPieces >= 12 && !(NrPieces&1)) {
+        int i; /* [HGM] Accept even length from 12 to 34 */
+
+        for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
+        for( i=0; i<NrPieces/2-1; i++ ) {
+            table[i] = map[i];
+            table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
+        }
+        table[(int) WhiteKing]  = map[NrPieces/2-1];
+        table[(int) BlackKing]  = map[NrPieces-1];
+
+        result = TRUE;
+    }
+
+    return result;
+}
+
+void Prelude(Board board)
+{      // [HGM] superchess: random selection of exo-pieces
+       int i, j, k; ChessSquare p; 
+       static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
+
+       GetPositionNumber(); // use FRC position number
+
+       if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
+           SetCharTable(pieceToChar, appData.pieceToCharTable);
+           for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++) 
+               if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
+       }
+
+       j = seed%4;                 seed /= 4; 
+       p = board[0][BOARD_LEFT+j];   board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
+       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;
+       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;
+       j = seed%3 + (seed%3 >= j); seed /= 3; 
+       p = board[0][BOARD_LEFT+j];   board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
+       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;
+       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;
+       j = seed%3;                 seed /= 3; 
+       p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
+       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;
+       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;
+       j = seed%2 + (seed%2 >= j); seed /= 2; 
+       p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
+       board[k][BOARD_WIDTH-1] = p;  board[k][BOARD_WIDTH-2]++;
+       board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p;  board[BOARD_HEIGHT-1-k][1]++;
+       j = seed%4; seed /= 4; put(board, exoPieces[3],    0, j, ANY);
+       j = seed%3; seed /= 3; put(board, exoPieces[2],   0, j, ANY);
+       j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
+       put(board, exoPieces[0],    0, 0, ANY);
+       for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
+}
+
+void
+InitPosition(redraw)
+     int redraw;
+{
+    ChessSquare (* pieces)[BOARD_SIZE];
+    int i, j, pawnRow, overrule,
+    oldx = gameInfo.boardWidth,
+    oldy = gameInfo.boardHeight,
+    oldh = gameInfo.holdingsWidth,
+    oldv = gameInfo.variant;
+
+    currentMove = forwardMostMove = backwardMostMove = 0;
+    if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
+
+    /* [AS] Initialize pv info list [HGM] and game status */
+    {
+        for( i=0; i<MAX_MOVES; i++ ) {
+            pvInfoList[i].depth = 0;
+            epStatus[i]=EP_NONE;
+            for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
+        }
+
+        initialRulePlies = 0; /* 50-move counter start */
+
+        castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
+        castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
+    }
+
+    
+    /* [HGM] logic here is completely changed. In stead of full positions */
+    /* the initialized data only consist of the two backranks. The switch */
+    /* selects which one we will use, which is than copied to the Board   */
+    /* initialPosition, which for the rest is initialized by Pawns and    */
+    /* empty squares. This initial position is then copied to boards[0],  */
+    /* possibly after shuffling, so that it remains available.            */
+
+    gameInfo.holdingsWidth = 0; /* default board sizes */
+    gameInfo.boardWidth    = 8;
+    gameInfo.boardHeight   = 8;
+    gameInfo.holdingsSize  = 0;
+    nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
+    for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
+    SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k"); 
+
+    switch (gameInfo.variant) {
+    case VariantFischeRandom:
+      shuffleOpenings = TRUE;
+    default:
+      pieces = FIDEArray;
+      break;
+    case VariantShatranj:
+      pieces = ShatranjArray;
+      nrCastlingRights = 0;
+      SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k"); 
+      break;
+    case VariantTwoKings:
+      pieces = twoKingsArray;
+      break;
+    case VariantCapaRandom:
+      shuffleOpenings = TRUE;
+    case VariantCapablanca:
+      pieces = CapablancaArray;
+      gameInfo.boardWidth = 10;
+      SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack"); 
+      break;
+    case VariantGothic:
+      pieces = GothicArray;
+      gameInfo.boardWidth = 10;
+      SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack"); 
+      break;
+    case VariantJanus:
+      pieces = JanusArray;
+      gameInfo.boardWidth = 10;
+      SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk"); 
+      nrCastlingRights = 6;
+        castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
+        castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
+        castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
+        castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
+        castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
+        castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
+      break;
+    case VariantFalcon:
+      pieces = FalconArray;
+      gameInfo.boardWidth = 10;
+      SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk"); 
+      break;
+    case VariantXiangqi:
+      pieces = XiangqiArray;
+      gameInfo.boardWidth  = 9;
+      gameInfo.boardHeight = 10;
+      nrCastlingRights = 0;
+      SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c."); 
+      break;
+    case VariantShogi:
+      pieces = ShogiArray;
+      gameInfo.boardWidth  = 9;
+      gameInfo.boardHeight = 9;
+      gameInfo.holdingsSize = 7;
+      nrCastlingRights = 0;
+      SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k"); 
+      break;
+    case VariantCourier:
+      pieces = CourierArray;
+      gameInfo.boardWidth  = 12;
+      nrCastlingRights = 0;
+      SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk"); 
+      for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
+      break;
+    case VariantKnightmate:
+      pieces = KnightmateArray;
+      SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k."); 
+      break;
+    case VariantFairy:
+      pieces = fairyArray;
+      SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk"); 
+      break;
+    case VariantGreat:
+      pieces = GreatArray;
+      gameInfo.boardWidth = 10;
+      SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
+      gameInfo.holdingsSize = 8;
+      break;
+    case VariantSuper:
+      pieces = FIDEArray;
+      SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
+      gameInfo.holdingsSize = 8;
+      startedFromSetupPosition = TRUE;
+      break;
+    case VariantCrazyhouse:
+    case VariantBughouse:
+      pieces = FIDEArray;
+      SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k"); 
+      gameInfo.holdingsSize = 5;
+      break;
+    case VariantWildCastle:
+      pieces = FIDEArray;
+      /* !!?shuffle with kings guaranteed to be on d or e file */
+      shuffleOpenings = 1;
+      break;
+    case VariantNoCastle:
+      pieces = FIDEArray;
+      nrCastlingRights = 0;
+      for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
+      /* !!?unconstrained back-rank shuffle */
+      shuffleOpenings = 1;
+      break;
+    }
+
+    overrule = 0;
+    if(appData.NrFiles >= 0) {
+        if(gameInfo.boardWidth != appData.NrFiles) overrule++;
+        gameInfo.boardWidth = appData.NrFiles;
+    }
+    if(appData.NrRanks >= 0) {
+        gameInfo.boardHeight = appData.NrRanks;
+    }
+    if(appData.holdingsSize >= 0) {
+        i = appData.holdingsSize;
+        if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
+        gameInfo.holdingsSize = i;
+    }
+    if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
+    if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
+        DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
+
+    pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
+    if(pawnRow < 1) pawnRow = 1;
+
+    /* User pieceToChar list overrules defaults */
+    if(appData.pieceToCharTable != NULL)
+        SetCharTable(pieceToChar, appData.pieceToCharTable);
+
+    for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
+
+        if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
+            s = (ChessSquare) 0; /* account holding counts in guard band */
+        for( i=0; i<BOARD_HEIGHT; i++ )
+            initialPosition[i][j] = s;
+
+        if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
+        initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
+        initialPosition[pawnRow][j] = WhitePawn;
+        initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
+        if(gameInfo.variant == VariantXiangqi) {
+            if(j&1) {
+                initialPosition[pawnRow][j] = 
+                initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
+                if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
+                   initialPosition[2][j] = WhiteCannon;
+                   initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
+                }
+            }
+        }
+        initialPosition[BOARD_HEIGHT-1][j] =  pieces[1][j-gameInfo.holdingsWidth];
+    }
+    if( (gameInfo.variant == VariantShogi) && !overrule ) {
+
+            j=BOARD_LEFT+1;
+            initialPosition[1][j] = WhiteBishop;
+            initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
+            j=BOARD_RGHT-2;
+            initialPosition[1][j] = WhiteRook;
+            initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
+    }
+
+    if( nrCastlingRights == -1) {
+        /* [HGM] Build normal castling rights (must be done after board sizing!) */
+        /*       This sets default castling rights from none to normal corners   */
+        /* Variants with other castling rights must set them themselves above    */
+        nrCastlingRights = 6;
+       
+        castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
+        castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
+        castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
+        castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
+        castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
+        castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
+     }
+
+     if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
+     if(gameInfo.variant == VariantGreat) { // promotion commoners
+       initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
+       initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
+       initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
+       initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
+     }
+#if 0
+    if(gameInfo.variant == VariantFischeRandom) {
+      if( appData.defaultFrcPosition < 0 ) {
+        ShuffleFRC( initialPosition );
+      }
+      else {
+        SetupFRC( initialPosition, appData.defaultFrcPosition );
+      }
+      startedFromSetupPosition = TRUE;
+    } else 
+#else
+  if (appData.debugMode) {
+    fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
+  }
+    if(shuffleOpenings) {
+       SetUpShuffle(initialPosition, appData.defaultFrcPosition);
+       startedFromSetupPosition = TRUE;
+    }
+#endif
+    if(startedFromPositionFile) {
+      /* [HGM] loadPos: use PositionFile for every new game */
+      CopyBoard(initialPosition, filePosition);
+      for(i=0; i<nrCastlingRights; i++)
+          castlingRights[0][i] = initialRights[i] = fileRights[i];
+      startedFromSetupPosition = TRUE;
+    }
+
+    CopyBoard(boards[0], initialPosition);
+
+    if(oldx != gameInfo.boardWidth ||
+       oldy != gameInfo.boardHeight ||
+       oldh != gameInfo.holdingsWidth
+#ifdef GOTHIC
+       || oldv == VariantGothic ||        // For licensing popups
+       gameInfo.variant == VariantGothic
+#endif
+#ifdef FALCON
+       || oldv == VariantFalcon ||
+       gameInfo.variant == VariantFalcon
+#endif
+                                         )
+            InitDrawingSizes(-2 ,0);
+
+    if (redraw)
+      DrawPosition(TRUE, boards[currentMove]);
+}
+
+void
+SendBoard(cps, moveNum)
+     ChessProgramState *cps;
+     int moveNum;
+{
+    char message[MSG_SIZ];
+    
+    if (cps->useSetboard) {
+      char* fen = PositionToFEN(moveNum, cps->fenOverride);
+      sprintf(message, "setboard %s\n", fen);
+      SendToProgram(message, cps);
+      free(fen);
+
+    } else {
+      ChessSquare *bp;
+      int i, j;
+      /* Kludge to set black to move, avoiding the troublesome and now
+       * deprecated "black" command.
+       */
+      if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
+
+      SendToProgram("edit\n", cps);
+      SendToProgram("#\n", cps);
+      for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
+       bp = &boards[moveNum][i][BOARD_LEFT];
+        for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
+         if ((int) *bp < (int) BlackPawn) {
+           sprintf(message, "%c%c%c\n", PieceToChar(*bp), 
+                    AAA + j, ONE + i);
+            if(message[0] == '+' || message[0] == '~') {
+                sprintf(message, "%c%c%c+\n",
+                        PieceToChar((ChessSquare)(DEMOTED *bp)),
+                        AAA + j, ONE + i);
+            }
+            if(cps->alphaRank) { /* [HGM] shogi: translate coords */
+                message[1] = BOARD_RGHT   - 1 - j + '1';
+                message[2] = BOARD_HEIGHT - 1 - i + 'a';
+            }
+           SendToProgram(message, cps);
+         }
+       }
+      }
+    
+      SendToProgram("c\n", cps);
+      for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
+       bp = &boards[moveNum][i][BOARD_LEFT];
+        for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
+         if (((int) *bp != (int) EmptySquare)
+             && ((int) *bp >= (int) BlackPawn)) {
+           sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
+                    AAA + j, ONE + i);
+            if(message[0] == '+' || message[0] == '~') {
+                sprintf(message, "%c%c%c+\n",
+                        PieceToChar((ChessSquare)(DEMOTED *bp)),
+                        AAA + j, ONE + i);
+            }
+            if(cps->alphaRank) { /* [HGM] shogi: translate coords */
+                message[1] = BOARD_RGHT   - 1 - j + '1';
+                message[2] = BOARD_HEIGHT - 1 - i + 'a';
+            }
+           SendToProgram(message, cps);
+         }
+       }
+      }
+    
+      SendToProgram(".\n", cps);
+    }
+    setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
+}
+
+int
+IsPromotion(fromX, fromY, toX, toY)
+     int fromX, fromY, toX, toY;
+{
+    /* [HGM] add Shogi promotions */
+    int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
+    ChessSquare piece;
+
+    if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi ||
+      !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) return FALSE;
+   /* [HGM] Note to self: line above also weeds out drops */
+    piece = boards[currentMove][fromY][fromX];
+    if(gameInfo.variant == VariantShogi) {
+        promotionZoneSize = 3;
+        highestPromotingPiece = (int)WhiteKing;
+        /* [HGM] Should be Silver = Ferz, really, but legality testing is off,
+           and if in normal chess we then allow promotion to King, why not
+           allow promotion of other piece in Shogi?                         */
+    }
+    if((int)piece >= BlackPawn) {
+        if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
+             return FALSE;
+        highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
+    } else {
+        if(  toY < BOARD_HEIGHT - promotionZoneSize &&
+           fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
+    }
+    return ( (int)piece <= highestPromotingPiece );
+}
+
+int
+InPalace(row, column)
+     int row, column;
+{   /* [HGM] for Xiangqi */
+    if( (row < 3 || row > BOARD_HEIGHT-4) &&
+         column < (BOARD_WIDTH + 4)/2 &&
+         column > (BOARD_WIDTH - 5)/2 ) return TRUE;
+    return FALSE;
+}
+
+int
+PieceForSquare (x, y)
+     int x;
+     int y;
+{
+  if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
+     return -1;
+  else
+     return boards[currentMove][y][x];
+}
+
+int
+OKToStartUserMove(x, y)
+     int x, y;
+{
+    ChessSquare from_piece;
+    int white_piece;
+
+    if (matchMode) return FALSE;
+    if (gameMode == EditPosition) return TRUE;
+
+    if (x >= 0 && y >= 0)
+      from_piece = boards[currentMove][y][x];
+    else
+      from_piece = EmptySquare;
+
+    if (from_piece == EmptySquare) return FALSE;
+
+    white_piece = (int)from_piece >= (int)WhitePawn &&
+      (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
+
+    switch (gameMode) {
+      case PlayFromGameFile:
+      case AnalyzeFile:
+      case TwoMachinesPlay:
+      case EndOfGame:
+       return FALSE;
+
+      case IcsObserving:
+      case IcsIdle:
+       return FALSE;
+
+      case MachinePlaysWhite:
+      case IcsPlayingBlack:
+       if (appData.zippyPlay) return FALSE;
+       if (white_piece) {
+           DisplayMoveError(_("You are playing Black"));
+           return FALSE;
+       }
+       break;
+
+      case MachinePlaysBlack:
+      case IcsPlayingWhite:
+       if (appData.zippyPlay) return FALSE;
+       if (!white_piece) {
+           DisplayMoveError(_("You are playing White"));
+           return FALSE;
+       }
+       break;
+
+      case EditGame:
+       if (!white_piece && WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is White's turn"));
+           return FALSE;
+       }           
+       if (white_piece && !WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is Black's turn"));
+           return FALSE;
+       }           
+       if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
+           /* Editing correspondence game history */
+           /* Could disallow this or prompt for confirmation */
+           cmailOldMove = -1;
+       }
+       if (currentMove < forwardMostMove) {
+           /* Discarding moves */
+           /* Could prompt for confirmation here,
+              but I don't think that's such a good idea */
+           forwardMostMove = currentMove;
+       }
+       break;
+
+      case BeginningOfGame:
+       if (appData.icsActive) return FALSE;
+       if (!appData.noChessProgram) {
+           if (!white_piece) {
+               DisplayMoveError(_("You are playing White"));
+               return FALSE;
+           }
+       }
+       break;
+       
+      case Training:
+       if (!white_piece && WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is White's turn"));
+           return FALSE;
+       }           
+       if (white_piece && !WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is Black's turn"));
+           return FALSE;
+       }           
+       break;
+
+      default:
+      case IcsExamining:
+       break;
+    }
+    if (currentMove != forwardMostMove && gameMode != AnalyzeMode
+       && gameMode != AnalyzeFile && gameMode != Training) {
+       DisplayMoveError(_("Displayed position is not current"));
+       return FALSE;
+    }
+    return TRUE;
+}
+
+FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
+int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
+int lastLoadGameUseList = FALSE;
+char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
+ChessMove lastLoadGameStart = (ChessMove) 0;
+
+
+ChessMove
+UserMoveTest(fromX, fromY, toX, toY, promoChar)
+     int fromX, fromY, toX, toY;
+     int promoChar;
+{
+    ChessMove moveType;
+    ChessSquare pdown, pup;
+
+    if (fromX < 0 || fromY < 0) return ImpossibleMove;
+    if ((fromX == toX) && (fromY == toY)) {
+        return ImpossibleMove;
+    }
+
+    /* [HGM] suppress all moves into holdings area and guard band */
+    if( toX < BOARD_LEFT || toX >= BOARD_RGHT || toY < 0 )
+            return ImpossibleMove;
+
+    /* [HGM] <sameColor> moved to here from winboard.c */
+    /* note: this code seems to exist for filtering out some obviously illegal premoves */
+    pdown = boards[currentMove][fromY][fromX];
+    pup = boards[currentMove][toY][toX];
+    if (    gameMode != EditPosition &&
+            (WhitePawn <= pdown && pdown < BlackPawn &&
+             WhitePawn <= pup && pup < BlackPawn  ||
+             BlackPawn <= pdown && pdown < EmptySquare &&
+             BlackPawn <= pup && pup < EmptySquare 
+            ) && !((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
+                    (pup == WhiteRook && pdown == WhiteKing && fromY == 0 && toY == 0||
+                     pup == BlackRook && pdown == BlackKing && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1  ) 
+        )           )
+         return ImpossibleMove;
+
+    /* Check if the user is playing in turn.  This is complicated because we
+       let the user "pick up" a piece before it is his turn.  So the piece he
+       tried to pick up may have been captured by the time he puts it down!
+       Therefore we use the color the user is supposed to be playing in this
+       test, not the color of the piece that is currently on the starting
+       square---except in EditGame mode, where the user is playing both
+       sides; fortunately there the capture race can't happen.  (It can
+       now happen in IcsExamining mode, but that's just too bad.  The user
+       will get a somewhat confusing message in that case.)
+       */
+
+    switch (gameMode) {
+      case PlayFromGameFile:
+      case AnalyzeFile:
+      case TwoMachinesPlay:
+      case EndOfGame:
+      case IcsObserving:
+      case IcsIdle:
+       /* We switched into a game mode where moves are not accepted,
+           perhaps while the mouse button was down. */
+        return ImpossibleMove;
+
+      case MachinePlaysWhite:
+       /* User is moving for Black */
+       if (WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is White's turn"));
+            return ImpossibleMove;
+       }
+       break;
+
+      case MachinePlaysBlack:
+       /* User is moving for White */
+       if (!WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is Black's turn"));
+            return ImpossibleMove;
+       }
+       break;
+
+      case EditGame:
+      case IcsExamining:
+      case BeginningOfGame:
+      case AnalyzeMode:
+      case Training:
+       if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
+            (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
+           /* User is moving for Black */
+           if (WhiteOnMove(currentMove)) {
+               DisplayMoveError(_("It is White's turn"));
+                return ImpossibleMove;
+           }
+       } else {
+           /* User is moving for White */
+           if (!WhiteOnMove(currentMove)) {
+               DisplayMoveError(_("It is Black's turn"));
+                return ImpossibleMove;
+           }
+       }
+       break;
+
+      case IcsPlayingBlack:
+       /* User is moving for Black */
+       if (WhiteOnMove(currentMove)) {
+           if (!appData.premove) {
+               DisplayMoveError(_("It is White's turn"));
+           } else if (toX >= 0 && toY >= 0) {
+               premoveToX = toX;
+               premoveToY = toY;
+               premoveFromX = fromX;
+               premoveFromY = fromY;
+               premovePromoChar = promoChar;
+               gotPremove = 1;
+               if (appData.debugMode) 
+                   fprintf(debugFP, "Got premove: fromX %d,"
+                           "fromY %d, toX %d, toY %d\n",
+                           fromX, fromY, toX, toY);
+           }
+            return ImpossibleMove;
+       }
+       break;
+
+      case IcsPlayingWhite:
+       /* User is moving for White */
+       if (!WhiteOnMove(currentMove)) {
+           if (!appData.premove) {
+               DisplayMoveError(_("It is Black's turn"));
+           } else if (toX >= 0 && toY >= 0) {
+               premoveToX = toX;
+               premoveToY = toY;
+               premoveFromX = fromX;
+               premoveFromY = fromY;
+               premovePromoChar = promoChar;
+               gotPremove = 1;
+               if (appData.debugMode) 
+                   fprintf(debugFP, "Got premove: fromX %d,"
+                           "fromY %d, toX %d, toY %d\n",
+                           fromX, fromY, toX, toY);
+           }
+            return ImpossibleMove;
+       }
+       break;
+
+      default:
+       break;
+
+      case EditPosition:
+       /* EditPosition, empty square, or different color piece;
+          click-click move is possible */
+       if (toX == -2 || toY == -2) {
+           boards[0][fromY][fromX] = EmptySquare;
+           return AmbiguousMove;
+       } else if (toX >= 0 && toY >= 0) {
+           boards[0][toY][toX] = boards[0][fromY][fromX];
+           boards[0][fromY][fromX] = EmptySquare;
+           return AmbiguousMove;
+       }
+        return ImpossibleMove;
+    }
+
+    /* [HGM] If move started in holdings, it means a drop */
+    if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) { 
+         if( pup != EmptySquare ) return ImpossibleMove;
+         if(appData.testLegality) {
+             /* it would be more logical if LegalityTest() also figured out
+              * which drops are legal. For now we forbid pawns on back rank.
+              * Shogi is on its own here...
+              */
+             if( (pdown == WhitePawn || pdown == BlackPawn) &&
+                 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
+                 return(ImpossibleMove); /* no pawn drops on 1st/8th */
+         }
+         return WhiteDrop; /* Not needed to specify white or black yet */
+    }
+
+    userOfferedDraw = FALSE;
+       
+    /* [HGM] always test for legality, to get promotion info */
+    moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
+                          epStatus[currentMove], castlingRights[currentMove],
+                                         fromY, fromX, toY, toX, promoChar);
+
+    /* [HGM] but possibly ignore an IllegalMove result */
+    if (appData.testLegality) {
+       if (moveType == IllegalMove || moveType == ImpossibleMove) {
+           DisplayMoveError(_("Illegal move"));
+            return ImpossibleMove;
+       }
+    }
+if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
+    return moveType;
+    /* [HGM] <popupFix> in stead of calling FinishMove directly, this
+       function is made into one that returns an OK move type if FinishMove
+       should be called. This to give the calling driver routine the
+       opportunity to finish the userMove input with a promotion popup,
+       without bothering the user with this for invalid or illegal moves */
+
+/*    FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
+}
+
+/* Common tail of UserMoveEvent and DropMenuEvent */
+int
+FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
+     ChessMove moveType;
+     int fromX, fromY, toX, toY;
+     /*char*/int promoChar;
+{
+    char *bookHit = 0;
+if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
+    if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) { 
+       // [HGM] superchess: suppress promotions to non-available piece
+       int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
+       if(WhiteOnMove(currentMove)) {
+           if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
+       } else {
+           if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
+       }
+    }
+
+    /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
+       move type in caller when we know the move is a legal promotion */
+    if(moveType == NormalMove && promoChar)
+        moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
+if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
+    /* [HGM] convert drag-and-drop piece drops to standard form */
+    if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
+         moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
+         fromX = boards[currentMove][fromY][fromX];
+         fromY = DROP_RANK;
+    }
+
+    /* [HGM] <popupFix> The following if has been moved here from
+       UserMoveEvent(). Because it seemed to belon here (why not allow
+       piece drops in training games?), and because it can only be
+       performed after it is known to what we promote. */
+    if (gameMode == Training) {
+      /* compare the move played on the board to the next move in the
+       * game. If they match, display the move and the opponent's response. 
+       * If they don't match, display an error message.
+       */
+      int saveAnimate;
+      Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
+      CopyBoard(testBoard, boards[currentMove]);
+      ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
+
+      if (CompareBoards(testBoard, boards[currentMove+1])) {
+       ForwardInner(currentMove+1);
+
+       /* Autoplay the opponent's response.
+        * if appData.animate was TRUE when Training mode was entered,
+        * the response will be animated.
+        */
+       saveAnimate = appData.animate;
+       appData.animate = animateTraining;
+       ForwardInner(currentMove+1);
+       appData.animate = saveAnimate;
+
+       /* check for the end of the game */
+       if (currentMove >= forwardMostMove) {
+         gameMode = PlayFromGameFile;
+         ModeHighlight();
+         SetTrainingModeOff();
+         DisplayInformation(_("End of game"));
+       }
+      } else {
+       DisplayError(_("Incorrect move"), 0);
+      }
+      return 1;
+    }
+
+  /* Ok, now we know that the move is good, so we can kill
+     the previous line in Analysis Mode */
+  if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
+    forwardMostMove = currentMove;
+  }
+
+  /* If we need the chess program but it's dead, restart it */
+  ResurrectChessProgram();
+
+  /* A user move restarts a paused game*/
+  if (pausing)
+    PauseEvent();
+
+  thinkOutput[0] = NULLCHAR;
+
+  MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
+
+  if (gameMode == BeginningOfGame) {
+    if (appData.noChessProgram) {
+      gameMode = EditGame;
+      SetGameInfo();
+    } else {
+      char buf[MSG_SIZ];
+      gameMode = MachinePlaysBlack;
+      StartClocks();
+      SetGameInfo();
+      sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
+      DisplayTitle(buf);
+      if (first.sendName) {
+       sprintf(buf, "name %s\n", gameInfo.white);
+       SendToProgram(buf, &first);
+      }
+      StartClocks();
+    }
+    ModeHighlight();
+  }
+if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
+  /* Relay move to ICS or chess engine */
+  if (appData.icsActive) {
+    if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
+       gameMode == IcsExamining) {
+      SendMoveToICS(moveType, fromX, fromY, toX, toY);
+      ics_user_moved = 1;
+    }
+  } else {
+    if (first.sendTime && (gameMode == BeginningOfGame ||
+                          gameMode == MachinePlaysWhite ||
+                          gameMode == MachinePlaysBlack)) {
+      SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
+    }
+    if (gameMode != EditGame && gameMode != PlayFromGameFile) {
+        // [HGM] book: if program might be playing, let it use book
+       bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
+       first.maybeThinking = TRUE;
+    } else SendMoveToProgram(forwardMostMove-1, &first);
+    if (currentMove == cmailOldMove + 1) {
+      cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
+    }
+  }
+
+  ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+
+  switch (gameMode) {
+  case EditGame:
+    switch (MateTest(boards[currentMove], PosFlags(currentMove),
+                     EP_UNKNOWN, castlingRights[currentMove]) ) {
+    case MT_NONE:
+    case MT_CHECK:
+      break;
+    case MT_CHECKMATE:
+    case MT_STAINMATE:
+      if (WhiteOnMove(currentMove)) {
+       GameEnds(BlackWins, "Black mates", GE_PLAYER);
+      } else {
+       GameEnds(WhiteWins, "White mates", GE_PLAYER);
+      }
+      break;
+    case MT_STALEMATE:
+      GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
+      break;
+    }
+    break;
+    
+  case MachinePlaysBlack:
+  case MachinePlaysWhite:
+    /* disable certain menu options while machine is thinking */
+    SetMachineThinkingEnables();
+    break;
+
+  default:
+    break;
+  }
+
+  if(bookHit) { // [HGM] book: simulate book reply
+       static char bookMove[MSG_SIZ]; // a bit generous?
+
+       programStats.nodes = programStats.depth = programStats.time = 
+       programStats.score = programStats.got_only_move = 0;
+       sprintf(programStats.movelist, "%s (xbook)", bookHit);
+
+       strcpy(bookMove, "move ");
+       strcat(bookMove, bookHit);
+       HandleMachineMove(bookMove, &first);
+  }
+  return 1;
+}
+
+void
+UserMoveEvent(fromX, fromY, toX, toY, promoChar)
+     int fromX, fromY, toX, toY;
+     int promoChar;
+{
+    /* [HGM] This routine was added to allow calling of its two logical
+       parts from other modules in the old way. Before, UserMoveEvent()
+       automatically called FinishMove() if the move was OK, and returned
+       otherwise. I separated the two, in order to make it possible to
+       slip a promotion popup in between. But that it always needs two
+       calls, to the first part, (now called UserMoveTest() ), and to
+       FinishMove if the first part succeeded. Calls that do not need
+       to do anything in between, can call this routine the old way. 
+    */
+    ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar);
+if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
+    if(moveType != ImpossibleMove)
+        FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
+}
+
+void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
+{
+//    char * hint = lastHint;
+    FrontEndProgramStats stats;
+
+    stats.which = cps == &first ? 0 : 1;
+    stats.depth = cpstats->depth;
+    stats.nodes = cpstats->nodes;
+    stats.score = cpstats->score;
+    stats.time = cpstats->time;
+    stats.pv = cpstats->movelist;
+    stats.hint = lastHint;
+    stats.an_move_index = 0;
+    stats.an_move_count = 0;
+
+    if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
+        stats.hint = cpstats->move_name;
+        stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
+        stats.an_move_count = cpstats->nr_moves;
+    }
+
+    SetProgramStats( &stats );
+}
+
+char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
+{   // [HGM] book: this routine intercepts moves to simulate book replies
+    char *bookHit = NULL;
+
+    //first determine if the incoming move brings opponent into his book
+    if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
+       bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
+    if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
+    if(bookHit != NULL && !cps->bookSuspend) {
+       // make sure opponent is not going to reply after receiving move to book position
+       SendToProgram("force\n", cps);
+       cps->bookSuspend = TRUE; // flag indicating it has to be restarted
+    }
+    if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
+    // now arrange restart after book miss
+    if(bookHit) {
+       // after a book hit we never send 'go', and the code after the call to this routine
+       // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
+       char buf[MSG_SIZ];
+       if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
+       sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
+       SendToProgram(buf, cps);
+       if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
+    } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
+       SendToProgram("go\n", cps);
+       cps->bookSuspend = FALSE; // after a 'go' we are never suspended
+    } else { // 'go' might be sent based on 'firstMove' after this routine returns
+       if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
+           SendToProgram("go\n", cps); 
+       cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
+    }
+    return bookHit; // notify caller of hit, so it can take action to send move to opponent
+}
+
+char *savedMessage;
+ChessProgramState *savedState;
+void DeferredBookMove(void)
+{
+       if(savedState->lastPing != savedState->lastPong)
+                   ScheduleDelayedEvent(DeferredBookMove, 10);
+       else
+       HandleMachineMove(savedMessage, savedState);
+}
+
+void
+HandleMachineMove(message, cps)
+     char *message;
+     ChessProgramState *cps;
+{
+    char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
+    char realname[MSG_SIZ];
+    int fromX, fromY, toX, toY;
+    ChessMove moveType;
+    char promoChar;
+    char *p;
+    int machineWhite;
+    char *bookHit;
+
+FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
+    /*
+     * Kludge to ignore BEL characters
+     */
+    while (*message == '\007') message++;
+
+    /*
+     * [HGM] engine debug message: ignore lines starting with '#' character
+     */
+    if(cps->debug && *message == '#') return;
+
+    /*
+     * Look for book output
+     */
+    if (cps == &first && bookRequested) {
+       if (message[0] == '\t' || message[0] == ' ') {
+           /* Part of the book output is here; append it */
+           strcat(bookOutput, message);
+           strcat(bookOutput, "  \n");
+           return;
+       } else if (bookOutput[0] != NULLCHAR) {
+           /* All of book output has arrived; display it */
+           char *p = bookOutput;
+           while (*p != NULLCHAR) {
+               if (*p == '\t') *p = ' ';
+               p++;
+           }
+           DisplayInformation(bookOutput);
+           bookRequested = FALSE;
+           /* Fall through to parse the current output */
+       }
+    }
+
+    /*
+     * Look for machine move.
+     */
+    if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
+       (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0)) 
+    {
+        /* This method is only useful on engines that support ping */
+        if (cps->lastPing != cps->lastPong) {
+         if (gameMode == BeginningOfGame) {
+           /* Extra move from before last new; ignore */
+           if (appData.debugMode) {
+               fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
+           }
+         } else {
+           if (appData.debugMode) {
+               fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
+                       cps->which, gameMode);
+           }
+
+            SendToProgram("undo\n", cps);
+         }
+         return;
+       }
+
+       switch (gameMode) {
+         case BeginningOfGame:
+           /* Extra move from before last reset; ignore */
+           if (appData.debugMode) {
+               fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
+           }
+           return;
+
+         case EndOfGame:
+         case IcsIdle:
+         default:
+           /* Extra move after we tried to stop.  The mode test is
+              not a reliable way of detecting this problem, but it's
+              the best we can do on engines that don't support ping.
+           */
+           if (appData.debugMode) {
+               fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
+                       cps->which, gameMode);
+           }
+           SendToProgram("undo\n", cps);
+           return;
+
+         case MachinePlaysWhite:
+         case IcsPlayingWhite:
+           machineWhite = TRUE;
+           break;
+
+         case MachinePlaysBlack:
+         case IcsPlayingBlack:
+           machineWhite = FALSE;
+           break;
+
+         case TwoMachinesPlay:
+           machineWhite = (cps->twoMachinesColor[0] == 'w');
+           break;
+       }
+       if (WhiteOnMove(forwardMostMove) != machineWhite) {
+           if (appData.debugMode) {
+               fprintf(debugFP,
+                       "Ignoring move out of turn by %s, gameMode %d"
+                       ", forwardMost %d\n",
+                       cps->which, gameMode, forwardMostMove);
+           }
+           return;
+       }
+
+    if (appData.debugMode) { int f = forwardMostMove;
+        fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
+                castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
+    }
+        if(cps->alphaRank) AlphaRank(machineMove, 4);
+        if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
+                              &fromX, &fromY, &toX, &toY, &promoChar)) {
+           /* Machine move could not be parsed; ignore it. */
+            sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
+                   machineMove, cps->which);
+           DisplayError(buf1, 0);
+            sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
+                    machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
+           if (gameMode == TwoMachinesPlay) {
+             GameEnds(machineWhite ? BlackWins : WhiteWins,
+                       buf1, GE_XBOARD);
+           }
+           return;
+       }
+
+        /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
+        /* So we have to redo legality test with true e.p. status here,  */
+        /* to make sure an illegal e.p. capture does not slip through,   */
+        /* to cause a forfeit on a justified illegal-move complaint      */
+        /* of the opponent.                                              */
+        if( gameMode==TwoMachinesPlay && appData.testLegality
+            && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
+                                                              ) {
+           ChessMove moveType;
+           moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
+                        epStatus[forwardMostMove], castlingRights[forwardMostMove],
+                             fromY, fromX, toY, toX, promoChar);
+           if (appData.debugMode) {
+                int i;
+                for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
+                    castlingRights[forwardMostMove][i], castlingRank[i]);
+                fprintf(debugFP, "castling rights\n");
+           }
+            if(moveType == IllegalMove) {
+                sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
+                        machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
+                GameEnds(machineWhite ? BlackWins : WhiteWins,
+                           buf1, GE_XBOARD);
+               return;
+           } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
+           /* [HGM] Kludge to handle engines that send FRC-style castling
+              when they shouldn't (like TSCP-Gothic) */
+           switch(moveType) {
+             case WhiteASideCastleFR:
+             case BlackASideCastleFR:
+               toX+=2;
+               currentMoveString[2]++;
+               break;
+             case WhiteHSideCastleFR:
+             case BlackHSideCastleFR:
+               toX--;
+               currentMoveString[2]--;
+               break;
+            default: ; // nothing to do, but suppresses warning of pedantic compilers
+           }
+        }
+       hintRequested = FALSE;
+       lastHint[0] = NULLCHAR;
+       bookRequested = FALSE;
+       /* Program may be pondering now */
+       cps->maybeThinking = TRUE;
+       if (cps->sendTime == 2) cps->sendTime = 1;
+       if (cps->offeredDraw) cps->offeredDraw--;
+
+#if ZIPPY
+       if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
+           first.initDone) {
+         SendMoveToICS(moveType, fromX, fromY, toX, toY);
+         ics_user_moved = 1;
+         if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
+               char buf[3*MSG_SIZ];
+
+               sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %.0f nodes, %1.0f knps) PV=%s\n",
+                       programStats.score / 100.,
+                       programStats.depth,
+                       programStats.time / 100.,
+                       u64ToDouble(programStats.nodes),
+                       u64ToDouble(programStats.nodes) / (10*abs(programStats.time) + 1.),
+                       programStats.movelist);
+               SendToICS(buf);
+         }
+       }
+#endif
+       /* currentMoveString is set as a side-effect of ParseOneMove */
+       strcpy(machineMove, currentMoveString);
+       strcat(machineMove, "\n");
+       strcpy(moveList[forwardMostMove], machineMove);
+
+        /* [AS] Save move info and clear stats for next move */
+        pvInfoList[ forwardMostMove ].score = programStats.score;
+        pvInfoList[ forwardMostMove ].depth = programStats.depth;
+        pvInfoList[ forwardMostMove ].time =  programStats.time; // [HGM] PGNtime: take time from engine stats
+        ClearProgramStats();
+        thinkOutput[0] = NULLCHAR;
+        hiddenThinkOutputState = 0;
+
+       MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
+
+        /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
+        if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
+            int count = 0;
+
+            while( count < adjudicateLossPlies ) {
+                int score = pvInfoList[ forwardMostMove - count - 1 ].score;
+
+                if( count & 1 ) {
+                    score = -score; /* Flip score for winning side */
+                }
+
+                if( score > adjudicateLossThreshold ) {
+                    break;
+                }
+
+                count++;
+            }
+
+            if( count >= adjudicateLossPlies ) {
+               ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+
+                GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, 
+                    "Xboard adjudication", 
+                    GE_XBOARD );
+
+                return;
+            }
+        }
+
+       if( gameMode == TwoMachinesPlay ) {
+         // [HGM] some adjudications useful with buggy engines
+            int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
+         if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
+
+
+           if( appData.testLegality )
+           {   /* [HGM] Some more adjudications for obstinate engines */
+               int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
+                    NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
+                    NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
+               static int moveCount = 6;
+               ChessMove result;
+               char *reason = NULL;
+
+                /* Count what is on board. */
+               for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
+               {   ChessSquare p = boards[forwardMostMove][i][j];
+                   int m=i;
+
+                   switch((int) p)
+                   {   /* count B,N,R and other of each side */
+                        case WhiteKing:
+                        case BlackKing:
+                            NrK++; break; // [HGM] atomic: count Kings
+                        case WhiteKnight:
+                             NrWN++; break;
+                        case WhiteBishop:
+                        case WhiteFerz:    // [HGM] shatranj: kludge to mke it work in shatranj
+                             bishopsColor |= 1 << ((i^j)&1);
+                             NrWB++; break;
+                        case BlackKnight:
+                             NrBN++; break;
+                        case BlackBishop:
+                        case BlackFerz:    // [HGM] shatranj: kludge to mke it work in shatranj
+                             bishopsColor |= 1 << ((i^j)&1);
+                             NrBB++; break;
+                        case WhiteRook:
+                             NrWR++; break;
+                        case BlackRook:
+                             NrBR++; break;
+                        case WhiteQueen:
+                             NrWQ++; break;
+                        case BlackQueen:
+                             NrBQ++; break;
+                        case EmptySquare: 
+                             break;
+                        case BlackPawn:
+                             m = 7-i;
+                        case WhitePawn:
+                             PawnAdvance += m; NrPawns++;
+                    }
+                    NrPieces += (p != EmptySquare);
+                    NrW += ((int)p < (int)BlackPawn);
+                   if(gameInfo.variant == VariantXiangqi && 
+                     (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
+                       NrPieces--; // [HGM] XQ: do not count purely defensive pieces
+                        NrW -= ((int)p < (int)BlackPawn);
+                   }
+                }
+
+               /* Some material-based adjudications that have to be made before stalemate test */
+               if(gameInfo.variant == VariantAtomic && NrK < 2) {
+                   // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
+                    epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
+                    if(appData.checkMates) {
+                        SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
+                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                         GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins, 
+                                                       "Xboard adjudication: King destroyed", GE_XBOARD );
+                         return;
+                    }
+               }
+
+               /* Bare King in Shatranj (loses) or Losers (wins) */
+                if( NrW == 1 || NrPieces - NrW == 1) {
+                  if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
+                    epStatus[forwardMostMove] = EP_WINS;  // mark as win, so it becomes claimable
+                    if(appData.checkMates) {
+                        SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
+                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                         GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, 
+                                                       "Xboard adjudication: Bare king", GE_XBOARD );
+                         return;
+                    }
+                 } else
+                  if( gameInfo.variant == VariantShatranj && --bare < 0)
+                  {    /* bare King */
+                       epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
+                       if(appData.checkMates) {
+                           /* but only adjudicate if adjudication enabled */
+                           SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
+                           ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                           GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn, 
+                                                       "Xboard adjudication: Bare king", GE_XBOARD );
+                           return;
+                       }
+                 }
+                } else bare = 1;
+
+
+            // don't wait for engine to announce game end if we can judge ourselves
+            switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
+                                       castlingRights[forwardMostMove]) ) {
+             case MT_CHECK:
+               if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
+                   int i, checkCnt = 0;    // (should really be done by making nr of checks part of game state)
+                   for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
+                       if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
+                           checkCnt++;
+                       if(checkCnt >= 2) {
+                           reason = "Xboard adjudication: 3rd check";
+                           epStatus[forwardMostMove] = EP_CHECKMATE;
+                           break;
+                       }
+                   }
+               }
+             case MT_NONE:
+             default:
+               break;
+             case MT_STALEMATE:
+             case MT_STAINMATE:
+               reason = "Xboard adjudication: Stalemate";
+               if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
+                   epStatus[forwardMostMove] = EP_STALEMATE;   // default result for stalemate is draw
+                   if(gameInfo.variant == VariantLosers  || gameInfo.variant == VariantGiveaway) // [HGM] losers:
+                       epStatus[forwardMostMove] = EP_WINS;    // in these variants stalemated is always a win
+                   else if(gameInfo.variant == VariantSuicide) // in suicide it depends
+                       epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
+                                                  ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
+                                                                       EP_CHECKMATE : EP_WINS);
+                   else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
+                       epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
+               }
+               break;
+             case MT_CHECKMATE:
+               reason = "Xboard adjudication: Checkmate";
+               epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
+               break;
+           }
+
+               switch(i = epStatus[forwardMostMove]) {
+                   case EP_STALEMATE:
+                       result = GameIsDrawn; break;
+                   case EP_CHECKMATE:
+                       result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
+                   case EP_WINS:
+                       result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
+                   default:
+                       result = (ChessMove) 0;
+               }
+                if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
+                   SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
+                   ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                   GameEnds( result, reason, GE_XBOARD );
+                   return;
+               }
+
+                /* Next absolutely insufficient mating material. */
+                if( NrPieces == 2 || gameInfo.variant != VariantXiangqi && 
+                                    gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
+                       (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
+                        NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
+                {    /* KBK, KNK, KK of KBKB with like Bishops */
+
+                     /* always flag draws, for judging claims */
+                     epStatus[forwardMostMove] = EP_INSUF_DRAW;
+
+                     if(appData.materialDraws) {
+                         /* but only adjudicate them if adjudication enabled */
+                        SendToProgram("force\n", cps->other); // suppress reply
+                        SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
+                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                         GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
+                         return;
+                     }
+                }
+
+                /* Then some trivial draws (only adjudicate, cannot be claimed) */
+                if(NrPieces == 4 && 
+                   (   NrWR == 1 && NrBR == 1 /* KRKR */
+                   || NrWQ==1 && NrBQ==1     /* KQKQ */
+                   || NrWN==2 || NrBN==2     /* KNNK */
+                   || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
+                  ) ) {
+                     if(--moveCount < 0 && appData.trivialDraws)
+                     {    /* if the first 3 moves do not show a tactical win, declare draw */
+                         SendToProgram("force\n", cps->other); // suppress reply
+                         SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
+                          ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                          GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
+                          return;
+                     }
+                } else moveCount = 6;
+           }
+         }
+#if 1
+    if (appData.debugMode) { int i;
+      fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
+              forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
+              appData.drawRepeats);
+      for( i=forwardMostMove; i>=backwardMostMove; i-- )
+           fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
+
+    }
+#endif
+                /* Check for rep-draws */
+                count = 0;
+                for(k = forwardMostMove-2;
+                    k>=backwardMostMove && k>=forwardMostMove-100 &&
+                        epStatus[k] < EP_UNKNOWN &&
+                        epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
+                    k-=2)
+                {   int rights=0;
+#if 0
+    if (appData.debugMode) {
+      fprintf(debugFP, " loop\n");
+    }
+#endif
+                    if(CompareBoards(boards[k], boards[forwardMostMove])) {
+#if 0
+    if (appData.debugMode) {
+      fprintf(debugFP, "match\n");
+    }
+#endif
+                        /* compare castling rights */
+                        if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
+                             (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
+                                rights++; /* King lost rights, while rook still had them */
+                        if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
+                            if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
+                                castlingRights[forwardMostMove][1] != castlingRights[k][1] )
+                                   rights++; /* but at least one rook lost them */
+                        }
+                        if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
+                             (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
+                                rights++; 
+                        if( castlingRights[forwardMostMove][5] >= 0 ) {
+                            if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
+                                castlingRights[forwardMostMove][4] != castlingRights[k][4] )
+                                   rights++;
+                        }
+#if 0
+    if (appData.debugMode) {
+      for(i=0; i<nrCastlingRights; i++)
+      fprintf(debugFP, " (%d,%d)", castlingRights[forwardMostMove][i], castlingRights[k][i]);
+    }
+
+    if (appData.debugMode) {
+      fprintf(debugFP, " %d %d\n", rights, k);
+    }
+#endif
+                        if( rights == 0 && ++count > appData.drawRepeats-2
+                            && appData.drawRepeats > 1) {
+                             /* adjudicate after user-specified nr of repeats */
+                            SendToProgram("force\n", cps->other); // suppress reply
+                            SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
+                             ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                            if(gameInfo.variant == VariantXiangqi && appData.testLegality) { 
+                               // [HGM] xiangqi: check for forbidden perpetuals
+                               int m, ourPerpetual = 1, hisPerpetual = 1;
+                               for(m=forwardMostMove; m>k; m-=2) {
+                                   if(MateTest(boards[m], PosFlags(m), 
+                                                       EP_NONE, castlingRights[m]) != MT_CHECK)
+                                       ourPerpetual = 0; // the current mover did not always check
+                                   if(MateTest(boards[m-1], PosFlags(m-1), 
+                                                       EP_NONE, castlingRights[m-1]) != MT_CHECK)
+                                       hisPerpetual = 0; // the opponent did not always check
+                               }
+                               if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
+                                                                       ourPerpetual, hisPerpetual);
+                               if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
+                                   GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, 
+                                          "Xboard adjudication: perpetual checking", GE_XBOARD );
+                                   return;
+                               }
+                               if(hisPerpetual && !ourPerpetual)   // he is checking us, but did not repeat yet
+                                   break; // (or we would have caught him before). Abort repetition-checking loop.
+                               // Now check for perpetual chases
+                               if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
+                                   hisPerpetual = PerpetualChase(k, forwardMostMove);
+                                   ourPerpetual = PerpetualChase(k+1, forwardMostMove);
+                                   if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
+                                       GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, 
+                                                     "Xboard adjudication: perpetual chasing", GE_XBOARD );
+                                       return;
+                                   }
+                                   if(hisPerpetual && !ourPerpetual)   // he is chasing us, but did not repeat yet
+                                       break; // Abort repetition-checking loop.
+                               }
+                               // if neither of us is checking or chasing all the time, or both are, it is draw
+                            }
+                             GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
+                             return;
+                        }
+                        if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
+                             epStatus[forwardMostMove] = EP_REP_DRAW;
+                    }
+                }
+
+                /* Now we test for 50-move draws. Determine ply count */
+                count = forwardMostMove;
+                /* look for last irreversble move */
+                while( epStatus[count] <= EP_NONE && count > backwardMostMove )
+                    count--;
+                /* if we hit starting position, add initial plies */
+                if( count == backwardMostMove )
+                    count -= initialRulePlies;
+                count = forwardMostMove - count; 
+                if( count >= 100)
+                         epStatus[forwardMostMove] = EP_RULE_DRAW;
+                         /* this is used to judge if draw claims are legal */
+                if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
+                        SendToProgram("force\n", cps->other); // suppress reply
+                        SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
+                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                         GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
+                         return;
+                }
+
+                /* if draw offer is pending, treat it as a draw claim
+                 * when draw condition present, to allow engines a way to
+                 * claim draws before making their move to avoid a race
+                 * condition occurring after their move
+                 */
+                if( cps->other->offeredDraw || cps->offeredDraw ) {
+                         char *p = NULL;
+                         if(epStatus[forwardMostMove] == EP_RULE_DRAW)
+                             p = "Draw claim: 50-move rule";
+                         if(epStatus[forwardMostMove] == EP_REP_DRAW)
+                             p = "Draw claim: 3-fold repetition";
+                         if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
+                             p = "Draw claim: insufficient mating material";
+                         if( p != NULL ) {
+                            SendToProgram("force\n", cps->other); // suppress reply
+                            SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
+                             GameEnds( GameIsDrawn, p, GE_XBOARD );
+                             ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+                             return;
+                         }
+                }
+
+
+               if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
+                   SendToProgram("force\n", cps->other); // suppress reply
+                   SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
+                   ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+
+                   GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
+
+                   return;
+               }
+        }
+
+       bookHit = NULL;
+       if (gameMode == TwoMachinesPlay) {
+            /* [HGM] relaying draw offers moved to after reception of move */
+            /* and interpreting offer as claim if it brings draw condition */
+            if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
+                SendToProgram("draw\n", cps->other);
+            }
+           if (cps->other->sendTime) {
+               SendTimeRemaining(cps->other,
+                                 cps->other->twoMachinesColor[0] == 'w');
+           }
+           bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
+           if (firstMove && !bookHit) {
+               firstMove = FALSE;
+               if (cps->other->useColors) {
+                 SendToProgram(cps->other->twoMachinesColor, cps->other);
+               }
+               SendToProgram("go\n", cps->other);
+           }
+           cps->other->maybeThinking = TRUE;
+       }
+
+       ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+       
+        if (!pausing && appData.ringBellAfterMoves) {
+           RingBell();
+       }
+
+       /* 
+        * Reenable menu items that were disabled while
+        * machine was thinking
+        */
+       if (gameMode != TwoMachinesPlay)
+           SetUserThinkingEnables();
+
+       // [HGM] book: after book hit opponent has received move and is now in force mode
+       // force the book reply into it, and then fake that it outputted this move by jumping
+       // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
+       if(bookHit) {
+               static char bookMove[MSG_SIZ]; // a bit generous?
+
+               strcpy(bookMove, "move ");
+               strcat(bookMove, bookHit);
+               message = bookMove;
+               cps = cps->other;
+               programStats.nodes = programStats.depth = programStats.time = 
+               programStats.score = programStats.got_only_move = 0;
+               sprintf(programStats.movelist, "%s (xbook)", bookHit);
+
+               if(cps->lastPing != cps->lastPong) {
+                   savedMessage = message; // args for deferred call
+                   savedState = cps;
+                   ScheduleDelayedEvent(DeferredBookMove, 10);
+                   return;
+               }
+               goto FakeBookMove;
+       }
+
+       return;
+    }
+
+    /* Set special modes for chess engines.  Later something general
+     *  could be added here; for now there is just one kludge feature,
+     *  needed because Crafty 15.10 and earlier don't ignore SIGINT
+     *  when "xboard" is given as an interactive command.
+     */
+    if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
+       cps->useSigint = FALSE;
+       cps->useSigterm = FALSE;
+    }
+
+    /* [HGM] Allow engine to set up a position. Don't ask me why one would
+     * want this, I was asked to put it in, and obliged.
+     */
+    if (!strncmp(message, "setboard ", 9)) {
+        Board initial_position; int i;
+
+        GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
+
+        if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
+            DisplayError(_("Bad FEN received from engine"), 0);
+            return ;
+        } else {
+           Reset(FALSE, FALSE);
+           CopyBoard(boards[0], initial_position);
+           initialRulePlies = FENrulePlies;
+           epStatus[0] = FENepStatus;
+           for( i=0; i<nrCastlingRights; i++ )
+                castlingRights[0][i] = FENcastlingRights[i];
+           if(blackPlaysFirst) gameMode = MachinePlaysWhite;
+           else gameMode = MachinePlaysBlack;                 
+           DrawPosition(FALSE, boards[currentMove]);
+        }
+       return;
+    }
+
+    /*
+     * Look for communication commands
+     */
+    if (!strncmp(message, "telluser ", 9)) {
+       DisplayNote(message + 9);
+       return;
+    }
+    if (!strncmp(message, "tellusererror ", 14)) {
+       DisplayError(message + 14, 0);
+       return;
+    }
+    if (!strncmp(message, "tellopponent ", 13)) {
+      if (appData.icsActive) {
+       if (loggedOn) {
+         snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
+         SendToICS(buf1);
+       }
+      } else {
+       DisplayNote(message + 13);
+      }
+      return;
+    }
+    if (!strncmp(message, "tellothers ", 11)) {
+      if (appData.icsActive) {
+       if (loggedOn) {
+         snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
+         SendToICS(buf1);
+       }
+      }
+      return;
+    }
+    if (!strncmp(message, "tellall ", 8)) {
+      if (appData.icsActive) {
+       if (loggedOn) {
+         snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
+         SendToICS(buf1);
+       }
+      } else {
+       DisplayNote(message + 8);
+      }
+      return;
+    }
+    if (strncmp(message, "warning", 7) == 0) {
+       /* Undocumented feature, use tellusererror in new code */
+       DisplayError(message, 0);
+       return;
+    }
+    if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
+       strcpy(realname, cps->tidy);
+       strcat(realname, " query");
+       AskQuestion(realname, buf2, buf1, cps->pr);
+       return;
+    }
+    /* Commands from the engine directly to ICS.  We don't allow these to be 
+     *  sent until we are logged on. Crafty kibitzes have been known to 
+     *  interfere with the login process.
+     */
+    if (loggedOn) {
+       if (!strncmp(message, "tellics ", 8)) {
+           SendToICS(message + 8);
+           SendToICS("\n");
+           return;
+       }
+       if (!strncmp(message, "tellicsnoalias ", 15)) {
+           SendToICS(ics_prefix);
+           SendToICS(message + 15);
+           SendToICS("\n");
+           return;
+       }
+       /* The following are for backward compatibility only */
+       if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
+           !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
+           SendToICS(ics_prefix);
+           SendToICS(message);
+           SendToICS("\n");
+           return;
+       }
+    }
+    if (strncmp(message, "feature ", 8) == 0) {
+      ParseFeatures(message+8, cps);
+    }
+    if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
+       return;
+    }
+    /*
+     * If the move is illegal, cancel it and redraw the board.
+     * Also deal with other error cases.  Matching is rather loose
+     * here to accommodate engines written before the spec.
+     */
+    if (strncmp(message + 1, "llegal move", 11) == 0 ||
+       strncmp(message, "Error", 5) == 0) {
+       if (StrStr(message, "name") || 
+           StrStr(message, "rating") || StrStr(message, "?") ||
+           StrStr(message, "result") || StrStr(message, "board") ||
+           StrStr(message, "bk") || StrStr(message, "computer") ||
+           StrStr(message, "variant") || StrStr(message, "hint") ||
+           StrStr(message, "random") || StrStr(message, "depth") ||
+           StrStr(message, "accepted")) {
+           return;
+       }
+       if (StrStr(message, "protover")) {
+         /* Program is responding to input, so it's apparently done
+             initializing, and this error message indicates it is
+             protocol version 1.  So we don't need to wait any longer
+             for it to initialize and send feature commands. */
+         FeatureDone(cps, 1);
+         cps->protocolVersion = 1;
+         return;
+       }
+       cps->maybeThinking = FALSE;
+
+       if (StrStr(message, "draw")) {
+           /* Program doesn't have "draw" command */
+           cps->sendDrawOffers = 0;
+           return;
+       }
+       if (cps->sendTime != 1 &&
+           (StrStr(message, "time") || StrStr(message, "otim"))) {
+         /* Program apparently doesn't have "time" or "otim" command */
+         cps->sendTime = 0;
+         return;
+       }
+       if (StrStr(message, "analyze")) {
+           cps->analysisSupport = FALSE;
+           cps->analyzing = FALSE;
+           Reset(FALSE, TRUE);
+           sprintf(buf2, _("%s does not support analysis"), cps->tidy);
+           DisplayError(buf2, 0);
+           return;
+       }
+       if (StrStr(message, "(no matching move)st")) {
+         /* Special kludge for GNU Chess 4 only */
+         cps->stKludge = TRUE;
+         SendTimeControl(cps, movesPerSession, timeControl,
+                         timeIncrement, appData.searchDepth,
+                         searchTime);
+         return;
+       }
+       if (StrStr(message, "(no matching move)sd")) {
+         /* Special kludge for GNU Chess 4 only */
+         cps->sdKludge = TRUE;
+         SendTimeControl(cps, movesPerSession, timeControl,
+                         timeIncrement, appData.searchDepth,
+                         searchTime);
+         return;
+       }
+        if (!StrStr(message, "llegal")) {
+            return;
+        }
+       if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
+           gameMode == IcsIdle) return;
+       if (forwardMostMove <= backwardMostMove) return;
+#if 0
+       /* Following removed: it caused a bug where a real illegal move
+          message in analyze mored would be ignored. */
+       if (cps == &first && programStats.ok_to_send == 0) {
+           /* Bogus message from Crafty responding to "."  This filtering
+              can miss some of the bad messages, but fortunately the bug 
+              is fixed in current Crafty versions, so it doesn't matter. */
+           return;
+       }
+#endif
+       if (pausing) PauseEvent();
+       if (gameMode == PlayFromGameFile) {
+           /* Stop reading this game file */
+           gameMode = EditGame;
+           ModeHighlight();
+       }
+       currentMove = --forwardMostMove;
+       DisplayMove(currentMove-1); /* before DisplayMoveError */
+       SwitchClocks();
+       DisplayBothClocks();
+       sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
+               parseList[currentMove], cps->which);
+       DisplayMoveError(buf1);
+       DrawPosition(FALSE, boards[currentMove]);
+
+        /* [HGM] illegal-move claim should forfeit game when Xboard */
+        /* only passes fully legal moves                            */
+        if( appData.testLegality && gameMode == TwoMachinesPlay ) {
+            GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
+                                "False illegal-move claim", GE_XBOARD );
+        }
+       return;
+    }
+    if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
+       /* Program has a broken "time" command that
+          outputs a string not ending in newline.
+          Don't use it. */
+       cps->sendTime = 0;
+    }
+    
+    /*
+     * If chess program startup fails, exit with an error message.
+     * Attempts to recover here are futile.
+     */
+    if ((StrStr(message, "unknown host") != NULL)
+       || (StrStr(message, "No remote directory") != NULL)
+       || (StrStr(message, "not found") != NULL)
+       || (StrStr(message, "No such file") != NULL)
+       || (StrStr(message, "can't alloc") != NULL)
+       || (StrStr(message, "Permission denied") != NULL)) {
+
+       cps->maybeThinking = FALSE;
+       snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
+               cps->which, cps->program, cps->host, message);
+       RemoveInputSource(cps->isr);
+       DisplayFatalError(buf1, 0, 1);
+       return;
+    }
+    
+    /* 
+     * Look for hint output
+     */
+    if (sscanf(message, "Hint: %s", buf1) == 1) {
+       if (cps == &first && hintRequested) {
+           hintRequested = FALSE;
+           if (ParseOneMove(buf1, forwardMostMove, &moveType,
+                                &fromX, &fromY, &toX, &toY, &promoChar)) {
+               (void) CoordsToAlgebraic(boards[forwardMostMove],
+                                   PosFlags(forwardMostMove), EP_UNKNOWN,
+                                   fromY, fromX, toY, toX, promoChar, buf1);
+               snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
+               DisplayInformation(buf2);
+           } else {
+               /* Hint move could not be parsed!? */
+             snprintf(buf2, sizeof(buf2),
+                       _("Illegal hint move \"%s\"\nfrom %s chess program"),
+                       buf1, cps->which);
+               DisplayError(buf2, 0);
+           }
+       } else {
+           strcpy(lastHint, buf1);
+       }
+       return;
+    }
+
+    /*
+     * Ignore other messages if game is not in progress
+     */
+    if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
+       gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
+
+    /*
+     * look for win, lose, draw, or draw offer
+     */
+    if (strncmp(message, "1-0", 3) == 0) {
+       char *p, *q, *r = "";
+        p = strchr(message, '{');
+       if (p) {
+           q = strchr(p, '}');
+           if (q) {
+               *q = NULLCHAR;
+               r = p + 1;
+           }
+       }
+        GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
+       return;
+    } else if (strncmp(message, "0-1", 3) == 0) {
+       char *p, *q, *r = "";
+        p = strchr(message, '{');
+       if (p) {
+           q = strchr(p, '}');
+           if (q) {
+               *q = NULLCHAR;
+               r = p + 1;
+           }
+       }
+       /* Kludge for Arasan 4.1 bug */
+       if (strcmp(r, "Black resigns") == 0) {
+            GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
+           return;
+       }
+        GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
+       return;
+    } else if (strncmp(message, "1/2", 3) == 0) {
+       char *p, *q, *r = "";
+        p = strchr(message, '{');
+       if (p) {
+           q = strchr(p, '}');
+           if (q) {
+               *q = NULLCHAR;
+               r = p + 1;
+           }
+       }
+            
+        GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
+       return;
+
+    } else if (strncmp(message, "White resign", 12) == 0) {
+        GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
+       return;
+    } else if (strncmp(message, "Black resign", 12) == 0) {
+        GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
+       return;
+    } else if (strncmp(message, "White matches", 13) == 0 ||
+               strncmp(message, "Black matches", 13) == 0   ) {
+        /* [HGM] ignore GNUShogi noises */
+        return;
+    } else if (strncmp(message, "White", 5) == 0 &&
+              message[5] != '(' &&
+              StrStr(message, "Black") == NULL) {
+        GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
+       return;
+    } else if (strncmp(message, "Black", 5) == 0 &&
+              message[5] != '(') {
+        GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
+       return;
+    } else if (strcmp(message, "resign") == 0 ||
+              strcmp(message, "computer resigns") == 0) {
+       switch (gameMode) {
+         case MachinePlaysBlack:
+         case IcsPlayingBlack:
+            GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
+           break;
+         case MachinePlaysWhite:
+         case IcsPlayingWhite:
+            GameEnds(BlackWins, "White resigns", GE_ENGINE);
+           break;
+         case TwoMachinesPlay:
+           if (cps->twoMachinesColor[0] == 'w')
+              GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
+           else
+              GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
+           break;
+         default:
+           /* can't happen */
+           break;
+       }
+       return;
+    } else if (strncmp(message, "opponent mates", 14) == 0) {
+       switch (gameMode) {
+         case MachinePlaysBlack:
+         case IcsPlayingBlack:
+            GameEnds(WhiteWins, "White mates", GE_ENGINE);
+           break;
+         case MachinePlaysWhite:
+         case IcsPlayingWhite:
+            GameEnds(BlackWins, "Black mates", GE_ENGINE);
+           break;
+         case TwoMachinesPlay:
+           if (cps->twoMachinesColor[0] == 'w')
+              GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
+           else
+              GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
+           break;
+         default:
+           /* can't happen */
+           break;
+       }
+       return;
+    } else if (strncmp(message, "computer mates", 14) == 0) {
+       switch (gameMode) {
+         case MachinePlaysBlack:
+         case IcsPlayingBlack:
+            GameEnds(BlackWins, "Black mates", GE_ENGINE1);
+           break;
+         case MachinePlaysWhite:
+         case IcsPlayingWhite:
+            GameEnds(WhiteWins, "White mates", GE_ENGINE);
+           break;
+         case TwoMachinesPlay:
+           if (cps->twoMachinesColor[0] == 'w')
+              GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
+           else
+              GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
+           break;
+         default:
+           /* can't happen */
+           break;
+       }
+       return;
+    } else if (strncmp(message, "checkmate", 9) == 0) {
+       if (WhiteOnMove(forwardMostMove)) {
+            GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
+       } else {
+            GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
+       }
+       return;
+    } else if (strstr(message, "Draw") != NULL ||
+              strstr(message, "game is a draw") != NULL) {
+        GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
+       return;
+    } else if (strstr(message, "offer") != NULL &&
+              strstr(message, "draw") != NULL) {
+#if ZIPPY
+       if (appData.zippyPlay && first.initDone) {
+           /* Relay offer to ICS */
+           SendToICS(ics_prefix);
+           SendToICS("draw\n");
+       }
+#endif
+       cps->offeredDraw = 2; /* valid until this engine moves twice */
+       if (gameMode == TwoMachinesPlay) {
+           if (cps->other->offeredDraw) {
+               GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
+            /* [HGM] in two-machine mode we delay relaying draw offer      */
+            /* until after we also have move, to see if it is really claim */
+           }
+#if 0
+              else {
+               if (cps->other->sendDrawOffers) {
+                   SendToProgram("draw\n", cps->other);
+               }
+           }
+#endif
+       } else if (gameMode == MachinePlaysWhite ||
+                  gameMode == MachinePlaysBlack) {
+         if (userOfferedDraw) {
+           DisplayInformation(_("Machine accepts your draw offer"));
+           GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
+         } else {
+            DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
+         }
+       }
+    }
+
+    
+    /*
+     * Look for thinking output
+     */
+    if ( appData.showThinking // [HGM] thinking: test all options that cause this output
+         || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
+                               ) {
+       int plylev, mvleft, mvtot, curscore, time;
+       char mvname[MOVE_LEN];
+       u64 nodes; // [DM]
+       char plyext;
+       int ignore = FALSE;
+       int prefixHint = FALSE;
+       mvname[0] = NULLCHAR;
+
+       switch (gameMode) {
+         case MachinePlaysBlack:
+         case IcsPlayingBlack:
+           if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
+           break;
+         case MachinePlaysWhite:
+         case IcsPlayingWhite:
+           if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
+           break;
+         case AnalyzeMode:
+         case AnalyzeFile:
+            break;
+          case IcsObserving: /* [DM] icsEngineAnalyze */
+            if (!appData.icsEngineAnalyze) ignore = TRUE;
+           break;
+         case TwoMachinesPlay:
+           if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
+               ignore = TRUE;
+           }
+           break;
+         default:
+           ignore = TRUE;
+           break;
+       }
+
+       if (!ignore) {
+           buf1[0] = NULLCHAR;
+           if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
+                      &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
+
+               if (plyext != ' ' && plyext != '\t') {
+                   time *= 100;
+               }
+
+                /* [AS] Negate score if machine is playing black and reporting absolute scores */
+                if( cps->scoreIsAbsolute && 
+                    ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
+                {
+                    curscore = -curscore;
+                }
+
+
+               programStats.depth = plylev;
+               programStats.nodes = nodes;
+               programStats.time = time;
+               programStats.score = curscore;
+               programStats.got_only_move = 0;
+
+               if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
+                       int ticklen;
+
+                       if(cps->nps == 0) ticklen = 10*time;                    // use engine reported time
+                       else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
+                       if(WhiteOnMove(forwardMostMove)) 
+                            whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
+                       else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
+               }
+
+               /* Buffer overflow protection */
+               if (buf1[0] != NULLCHAR) {
+                   if (strlen(buf1) >= sizeof(programStats.movelist)
+                       && appData.debugMode) {
+                       fprintf(debugFP,
+                               "PV is too long; using the first %d bytes.\n",
+                               sizeof(programStats.movelist) - 1);
+                   }
+
+                    safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
+               } else {
+                   sprintf(programStats.movelist, " no PV\n");
+               }
+
+               if (programStats.seen_stat) {
+                   programStats.ok_to_send = 1;
+               }
+
+               if (strchr(programStats.movelist, '(') != NULL) {
+                   programStats.line_is_book = 1;
+                   programStats.nr_moves = 0;
+                   programStats.moves_left = 0;
+               } else {
+                   programStats.line_is_book = 0;
+               }
+
+                SendProgramStatsToFrontend( cps, &programStats );
+
+                /* 
+                    [AS] Protect the thinkOutput buffer from overflow... this
+                    is only useful if buf1 hasn't overflowed first!
+                */
+               sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
+                       plylev, 
+                       (gameMode == TwoMachinesPlay ?
+                        ToUpper(cps->twoMachinesColor[0]) : ' '),
+                       ((double) curscore) / 100.0,
+                       prefixHint ? lastHint : "",
+                       prefixHint ? " " : "" );
+
+                if( buf1[0] != NULLCHAR ) {
+                    unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
+
+                    if( strlen(buf1) > max_len ) {
+                       if( appData.debugMode) {
+                           fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
+                        }
+                        buf1[max_len+1] = '\0';
+                    }
+
+                    strcat( thinkOutput, buf1 );
+                }
+
+                if (currentMove == forwardMostMove || gameMode == AnalyzeMode
+                        || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
+                   DisplayMove(currentMove - 1);
+                   DisplayAnalysis();
+               }
+               return;
+
+           } else if ((p=StrStr(message, "(only move)")) != NULL) {
+               /* crafty (9.25+) says "(only move) <move>"
+                * if there is only 1 legal move
+                 */
+               sscanf(p, "(only move) %s", buf1);
+               sprintf(thinkOutput, "%s (only move)", buf1);
+               sprintf(programStats.movelist, "%s (only move)", buf1);
+               programStats.depth = 1;
+               programStats.nr_moves = 1;
+               programStats.moves_left = 1;
+               programStats.nodes = 1;
+               programStats.time = 1;
+               programStats.got_only_move = 1;
+
+               /* Not really, but we also use this member to
+                  mean "line isn't going to change" (Crafty
+                  isn't searching, so stats won't change) */
+               programStats.line_is_book = 1;
+
+                SendProgramStatsToFrontend( cps, &programStats );
+                
+               if (currentMove == forwardMostMove || gameMode==AnalyzeMode || 
+                           gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
+                   DisplayMove(currentMove - 1);
+                   DisplayAnalysis();
+               }
+               return;
+           } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
+                             &time, &nodes, &plylev, &mvleft,
+                             &mvtot, mvname) >= 5) {
+               /* The stat01: line is from Crafty (9.29+) in response
+                  to the "." command */
+               programStats.seen_stat = 1;
+               cps->maybeThinking = TRUE;
+
+               if (programStats.got_only_move || !appData.periodicUpdates)
+                 return;
+
+               programStats.depth = plylev;
+               programStats.time = time;
+               programStats.nodes = nodes;
+               programStats.moves_left = mvleft;
+               programStats.nr_moves = mvtot;
+               strcpy(programStats.move_name, mvname);
+               programStats.ok_to_send = 1;
+                programStats.movelist[0] = '\0';
+
+                SendProgramStatsToFrontend( cps, &programStats );
+
+               DisplayAnalysis();
+               return;
+
+           } else if (strncmp(message,"++",2) == 0) {
+               /* Crafty 9.29+ outputs this */
+               programStats.got_fail = 2;
+               return;
+
+           } else if (strncmp(message,"--",2) == 0) {
+               /* Crafty 9.29+ outputs this */
+               programStats.got_fail = 1;
+               return;
+
+           } else if (thinkOutput[0] != NULLCHAR &&
+                      strncmp(message, "    ", 4) == 0) {
+                unsigned message_len;
+
+               p = message;
+               while (*p && *p == ' ') p++;
+
+                message_len = strlen( p );
+
+                /* [AS] Avoid buffer overflow */
+                if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
+                   strcat(thinkOutput, " ");
+                   strcat(thinkOutput, p);
+                }
+
+                if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
+                   strcat(programStats.movelist, " ");
+                   strcat(programStats.movelist, p);
+                }
+
+               if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
+                           gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
+                   DisplayMove(currentMove - 1);
+                   DisplayAnalysis();
+               }
+               return;
+           }
+       }
+        else {
+           buf1[0] = NULLCHAR;
+
+           if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
+                      &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) 
+            {
+                ChessProgramStats cpstats;
+
+               if (plyext != ' ' && plyext != '\t') {
+                   time *= 100;
+               }
+
+                /* [AS] Negate score if machine is playing black and reporting absolute scores */
+                if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
+                    curscore = -curscore;
+                }
+
+               cpstats.depth = plylev;
+               cpstats.nodes = nodes;
+               cpstats.time = time;
+               cpstats.score = curscore;
+               cpstats.got_only_move = 0;
+                cpstats.movelist[0] = '\0';
+
+               if (buf1[0] != NULLCHAR) {
+                    safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
+               }
+
+               cpstats.ok_to_send = 0;
+               cpstats.line_is_book = 0;
+               cpstats.nr_moves = 0;
+               cpstats.moves_left = 0;
+
+                SendProgramStatsToFrontend( cps, &cpstats );
+            }
+        }
+    }
+}
+
+
+/* Parse a game score from the character string "game", and
+   record it as the history of the current game.  The game
+   score is NOT assumed to start from the standard position. 
+   The display is not updated in any way.
+   */
+void
+ParseGameHistory(game)
+     char *game;
+{
+    ChessMove moveType;
+    int fromX, fromY, toX, toY, boardIndex;
+    char promoChar;
+    char *p, *q;
+    char buf[MSG_SIZ];
+
+    if (appData.debugMode)
+      fprintf(debugFP, "Parsing game history: %s\n", game);
+
+    if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
+    gameInfo.site = StrSave(appData.icsHost);
+    gameInfo.date = PGNDate();
+    gameInfo.round = StrSave("-");
+
+    /* Parse out names of players */
+    while (*game == ' ') game++;
+    p = buf;
+    while (*game != ' ') *p++ = *game++;
+    *p = NULLCHAR;
+    gameInfo.white = StrSave(buf);
+    while (*game == ' ') game++;
+    p = buf;
+    while (*game != ' ' && *game != '\n') *p++ = *game++;
+    *p = NULLCHAR;
+    gameInfo.black = StrSave(buf);
+
+    /* Parse moves */
+    boardIndex = blackPlaysFirst ? 1 : 0;
+    yynewstr(game);
+    for (;;) {
+       yyboardindex = boardIndex;
+       moveType = (ChessMove) yylex();
+       switch (moveType) {
+         case IllegalMove:             /* maybe suicide chess, etc. */
+  if (appData.debugMode) {
+    fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
+    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
+    setbuf(debugFP, NULL);
+  }
+          case WhitePromotionChancellor:
+          case BlackPromotionChancellor:
+          case WhitePromotionArchbishop:
+          case BlackPromotionArchbishop:
+         case WhitePromotionQueen:
+         case BlackPromotionQueen:
+         case WhitePromotionRook:
+         case BlackPromotionRook:
+         case WhitePromotionBishop:
+         case BlackPromotionBishop:
+         case WhitePromotionKnight:
+         case BlackPromotionKnight:
+         case WhitePromotionKing:
+         case BlackPromotionKing:
+         case NormalMove:
+         case WhiteCapturesEnPassant:
+         case BlackCapturesEnPassant:
+         case WhiteKingSideCastle:
+         case WhiteQueenSideCastle:
+         case BlackKingSideCastle:
+         case BlackQueenSideCastle:
+         case WhiteKingSideCastleWild:
+         case WhiteQueenSideCastleWild:
+         case BlackKingSideCastleWild:
+         case BlackQueenSideCastleWild:
+          /* PUSH Fabien */
+          case WhiteHSideCastleFR:
+          case WhiteASideCastleFR:
+          case BlackHSideCastleFR:
+          case BlackASideCastleFR:
+          /* POP Fabien */
+            fromX = currentMoveString[0] - AAA;
+            fromY = currentMoveString[1] - ONE;
+            toX = currentMoveString[2] - AAA;
+            toY = currentMoveString[3] - ONE;
+           promoChar = currentMoveString[4];
+           break;
+         case WhiteDrop:
+         case BlackDrop:
+           fromX = moveType == WhiteDrop ?
+             (int) CharToPiece(ToUpper(currentMoveString[0])) :
+           (int) CharToPiece(ToLower(currentMoveString[0]));
+           fromY = DROP_RANK;
+            toX = currentMoveString[2] - AAA;
+            toY = currentMoveString[3] - ONE;
+           promoChar = NULLCHAR;
+           break;
+         case AmbiguousMove:
+           /* bug? */
+           sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
+  if (appData.debugMode) {
+    fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
+    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
+    setbuf(debugFP, NULL);
+  }
+           DisplayError(buf, 0);
+           return;
+         case ImpossibleMove:
+           /* bug? */
+           sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
+  if (appData.debugMode) {
+    fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
+    fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
+    setbuf(debugFP, NULL);
+  }
+           DisplayError(buf, 0);
+           return;
+         case (ChessMove) 0:   /* end of file */
+           if (boardIndex < backwardMostMove) {
+               /* Oops, gap.  How did that happen? */
+               DisplayError(_("Gap in move list"), 0);
+               return;
+           }
+           backwardMostMove =  blackPlaysFirst ? 1 : 0;
+           if (boardIndex > forwardMostMove) {
+               forwardMostMove = boardIndex;
+           }
+           return;
+         case ElapsedTime:
+           if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
+               strcat(parseList[boardIndex-1], " ");
+               strcat(parseList[boardIndex-1], yy_text);
+           }
+           continue;
+         case Comment:
+         case PGNTag:
+         case NAG:
+         default:
+           /* ignore */
+           continue;
+         case WhiteWins:
+         case BlackWins:
+         case GameIsDrawn:
+         case GameUnfinished:
+           if (gameMode == IcsExamining) {
+               if (boardIndex < backwardMostMove) {
+                   /* Oops, gap.  How did that happen? */
+                   return;
+               }
+               backwardMostMove = blackPlaysFirst ? 1 : 0;
+               return;
+           }
+           gameInfo.result = moveType;
+           p = strchr(yy_text, '{');
+           if (p == NULL) p = strchr(yy_text, '(');
+           if (p == NULL) {
+               p = yy_text;
+               if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
+           } else {
+               q = strchr(p, *p == '{' ? '}' : ')');
+               if (q != NULL) *q = NULLCHAR;
+               p++;
+           }
+           gameInfo.resultDetails = StrSave(p);
+           continue;
+       }
+       if (boardIndex >= forwardMostMove &&
+           !(gameMode == IcsObserving && ics_gamenum == -1)) {
+           backwardMostMove = blackPlaysFirst ? 1 : 0;
+           return;
+       }
+       (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
+                                EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
+                                parseList[boardIndex]);
+       CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
+        {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
+       /* currentMoveString is set as a side-effect of yylex */
+       strcpy(moveList[boardIndex], currentMoveString);
+       strcat(moveList[boardIndex], "\n");
+       boardIndex++;
+       ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex], 
+                                       castlingRights[boardIndex], &epStatus[boardIndex]);
+        switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
+                                 EP_UNKNOWN, castlingRights[boardIndex]) ) {
+         case MT_NONE:
+         case MT_STALEMATE:
+         default:
+           break;
+         case MT_CHECK:
+            if(gameInfo.variant != VariantShogi)
+                strcat(parseList[boardIndex - 1], "+");
+           break;
+         case MT_CHECKMATE:
+         case MT_STAINMATE:
+           strcat(parseList[boardIndex - 1], "#");
+           break;
+       }
+    }
+}
+
+
+/* Apply a move to the given board  */
+void
+ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
+     int fromX, fromY, toX, toY;
+     int promoChar;
+     Board board;
+     char *castling;
+     char *ep;
+{
+  ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
+
+    /* [HGM] compute & store e.p. status and castling rights for new position */
+    /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
+    { int i;
+
+      if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
+      oldEP = *ep;
+      *ep = EP_NONE;
+
+      if( board[toY][toX] != EmptySquare ) 
+           *ep = EP_CAPTURE;  
+
+      if( board[fromY][fromX] == WhitePawn ) {
+           if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
+              *ep = EP_PAWN_MOVE;
+           if( toY-fromY==2) {
+               if(toX>BOARD_LEFT   && board[toY][toX-1] == BlackPawn &&
+                       gameInfo.variant != VariantBerolina || toX < fromX)
+                     *ep = toX | berolina;
+               if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
+                       gameInfo.variant != VariantBerolina || toX > fromX) 
+                     *ep = toX;
+          }
+      } else 
+      if( board[fromY][fromX] == BlackPawn ) {
+           if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
+              *ep = EP_PAWN_MOVE; 
+           if( toY-fromY== -2) {
+               if(toX>BOARD_LEFT   && board[toY][toX-1] == WhitePawn &&
+                       gameInfo.variant != VariantBerolina || toX < fromX)
+                     *ep = toX | berolina;
+               if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
+                       gameInfo.variant != VariantBerolina || toX > fromX) 
+                     *ep = toX;
+          }
+       }
+
+       for(i=0; i<nrCastlingRights; i++) {
+           if(castling[i] == fromX && castlingRank[i] == fromY ||
+              castling[i] == toX   && castlingRank[i] == toY   
+             ) castling[i] = -1; // revoke for moved or captured piece
+       }
+
+    }
+
+  /* [HGM] In Shatranj and Courier all promotions are to Ferz */
+  if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
+       && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
+         
+  if (fromX == toX && fromY == toY) return;
+
+  if (fromY == DROP_RANK) {
+       /* must be first */
+        piece = board[toY][toX] = (ChessSquare) fromX;
+  } else {
+     piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
+     king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
+     if(gameInfo.variant == VariantKnightmate)
+         king += (int) WhiteUnicorn - (int) WhiteKing;
+
+    /* Code added by Tord: */
+    /* FRC castling assumed when king captures friendly rook. */
+    if (board[fromY][fromX] == WhiteKing &&
+            board[toY][toX] == WhiteRook) {
+      board[fromY][fromX] = EmptySquare;
+      board[toY][toX] = EmptySquare;
+      if(toX > fromX) {
+        board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
+      } else {
+        board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
+      }
+    } else if (board[fromY][fromX] == BlackKing &&
+              board[toY][toX] == BlackRook) {
+      board[fromY][fromX] = EmptySquare;
+      board[toY][toX] = EmptySquare;
+      if(toX > fromX) {
+        board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
+      } else {
+        board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
+      }
+    /* End of code added by Tord */
+
+    } else if (board[fromY][fromX] == king
+        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
+        && toY == fromY && toX > fromX+1) {
+       board[fromY][fromX] = EmptySquare;
+        board[toY][toX] = king;
+        board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
+        board[fromY][BOARD_RGHT-1] = EmptySquare;
+    } else if (board[fromY][fromX] == king
+        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
+               && toY == fromY && toX < fromX-1) {
+       board[fromY][fromX] = EmptySquare;
+        board[toY][toX] = king;
+        board[toY][toX+1] = board[fromY][BOARD_LEFT];
+        board[fromY][BOARD_LEFT] = EmptySquare;
+    } else if (board[fromY][fromX] == WhitePawn
+               && toY == BOARD_HEIGHT-1
+               && gameInfo.variant != VariantXiangqi
+               ) {
+       /* white pawn promotion */
+        board[toY][toX] = CharToPiece(ToUpper(promoChar));
+        if (board[toY][toX] == EmptySquare) {
+            board[toY][toX] = WhiteQueen;
+       }
+        if(gameInfo.variant==VariantBughouse ||
+           gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
+            board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
+       board[fromY][fromX] = EmptySquare;
+    } else if ((fromY == BOARD_HEIGHT-4)
+              && (toX != fromX)
+               && gameInfo.variant != VariantXiangqi
+               && gameInfo.variant != VariantBerolina
+              && (board[fromY][fromX] == WhitePawn)
+              && (board[toY][toX] == EmptySquare)) {
+       board[fromY][fromX] = EmptySquare;
+       board[toY][toX] = WhitePawn;
+       captured = board[toY - 1][toX];
+       board[toY - 1][toX] = EmptySquare;
+    } else if ((fromY == BOARD_HEIGHT-4)
+              && (toX == fromX)
+               && gameInfo.variant == VariantBerolina
+              && (board[fromY][fromX] == WhitePawn)
+              && (board[toY][toX] == EmptySquare)) {
+       board[fromY][fromX] = EmptySquare;
+       board[toY][toX] = WhitePawn;
+       if(oldEP & EP_BEROLIN_A) {
+               captured = board[fromY][fromX-1];
+               board[fromY][fromX-1] = EmptySquare;
+       }else{  captured = board[fromY][fromX+1];
+               board[fromY][fromX+1] = EmptySquare;
+       }
+    } else if (board[fromY][fromX] == king
+        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
+               && toY == fromY && toX > fromX+1) {
+       board[fromY][fromX] = EmptySquare;
+        board[toY][toX] = king;
+        board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
+        board[fromY][BOARD_RGHT-1] = EmptySquare;
+    } else if (board[fromY][fromX] == king
+        && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
+               && toY == fromY && toX < fromX-1) {
+       board[fromY][fromX] = EmptySquare;
+        board[toY][toX] = king;
+        board[toY][toX+1] = board[fromY][BOARD_LEFT];
+        board[fromY][BOARD_LEFT] = EmptySquare;
+    } else if (fromY == 7 && fromX == 3
+              && board[fromY][fromX] == BlackKing
+              && toY == 7 && toX == 5) {
+       board[fromY][fromX] = EmptySquare;
+       board[toY][toX] = BlackKing;
+       board[fromY][7] = EmptySquare;
+       board[toY][4] = BlackRook;
+    } else if (fromY == 7 && fromX == 3
+              && board[fromY][fromX] == BlackKing
+              && toY == 7 && toX == 1) {
+       board[fromY][fromX] = EmptySquare;
+       board[toY][toX] = BlackKing;
+       board[fromY][0] = EmptySquare;
+       board[toY][2] = BlackRook;
+    } else if (board[fromY][fromX] == BlackPawn
+              && toY == 0
+               && gameInfo.variant != VariantXiangqi
+               ) {
+       /* black pawn promotion */
+       board[0][toX] = CharToPiece(ToLower(promoChar));
+       if (board[0][toX] == EmptySquare) {
+           board[0][toX] = BlackQueen;
+       }
+        if(gameInfo.variant==VariantBughouse ||
+           gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
+            board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
+       board[fromY][fromX] = EmptySquare;
+    } else if ((fromY == 3)
+              && (toX != fromX)
+               && gameInfo.variant != VariantXiangqi
+               && gameInfo.variant != VariantBerolina
+              && (board[fromY][fromX] == BlackPawn)
+              && (board[toY][toX] == EmptySquare)) {
+       board[fromY][fromX] = EmptySquare;
+       board[toY][toX] = BlackPawn;
+       captured = board[toY + 1][toX];
+       board[toY + 1][toX] = EmptySquare;
+    } else if ((fromY == 3)
+              && (toX == fromX)
+               && gameInfo.variant == VariantBerolina
+              && (board[fromY][fromX] == BlackPawn)
+              && (board[toY][toX] == EmptySquare)) {
+       board[fromY][fromX] = EmptySquare;
+       board[toY][toX] = BlackPawn;
+       if(oldEP & EP_BEROLIN_A) {
+               captured = board[fromY][fromX-1];
+               board[fromY][fromX-1] = EmptySquare;
+       }else{  captured = board[fromY][fromX+1];
+               board[fromY][fromX+1] = EmptySquare;
+       }
+    } else {
+       board[toY][toX] = board[fromY][fromX];
+       board[fromY][fromX] = EmptySquare;
+    }
+
+    /* [HGM] now we promote for Shogi, if needed */
+    if(gameInfo.variant == VariantShogi && promoChar == 'q')
+        board[toY][toX] = (ChessSquare) (PROMOTED piece);
+  }
+
+    if (gameInfo.holdingsWidth != 0) {
+
+      /* !!A lot more code needs to be written to support holdings  */
+      /* [HGM] OK, so I have written it. Holdings are stored in the */
+      /* penultimate board files, so they are automaticlly stored   */
+      /* in the game history.                                       */
+      if (fromY == DROP_RANK) {
+        /* Delete from holdings, by decreasing count */
+        /* and erasing image if necessary            */
+        p = (int) fromX;
+        if(p < (int) BlackPawn) { /* white drop */
+             p -= (int)WhitePawn;
+             if(p >= gameInfo.holdingsSize) p = 0;
+             if(--board[p][BOARD_WIDTH-2] == 0)
+                  board[p][BOARD_WIDTH-1] = EmptySquare;
+        } else {                  /* black drop */
+             p -= (int)BlackPawn;
+             if(p >= gameInfo.holdingsSize) p = 0;
+             if(--board[BOARD_HEIGHT-1-p][1] == 0)
+                  board[BOARD_HEIGHT-1-p][0] = EmptySquare;
+        }
+      }
+      if (captured != EmptySquare && gameInfo.holdingsSize > 0
+          && gameInfo.variant != VariantBughouse        ) {
+        /* [HGM] holdings: Add to holdings, if holdings exist */
+       if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) { 
+               // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
+               captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
+       }
+        p = (int) captured;
+        if (p >= (int) BlackPawn) {
+          p -= (int)BlackPawn;
+          if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
+                  /* in Shogi restore piece to its original  first */
+                  captured = (ChessSquare) (DEMOTED captured);
+                  p = DEMOTED p;
+          }
+          p = PieceToNumber((ChessSquare)p);
+          if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
+          board[p][BOARD_WIDTH-2]++;
+          board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
+       } else {
+          p -= (int)WhitePawn;
+          if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
+                  captured = (ChessSquare) (DEMOTED captured);
+                  p = DEMOTED p;
+          }
+          p = PieceToNumber((ChessSquare)p);
+          if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
+          board[BOARD_HEIGHT-1-p][1]++;
+          board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
+       }
+      }
+
+    } else if (gameInfo.variant == VariantAtomic) {
+      if (captured != EmptySquare) {
+       int y, x;
+       for (y = toY-1; y <= toY+1; y++) {
+         for (x = toX-1; x <= toX+1; x++) {
+            if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
+               board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
+             board[y][x] = EmptySquare;
+           }
+         }
+       }
+       board[toY][toX] = EmptySquare;
+      }
+    }
+    if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
+        /* [HGM] Shogi promotions */
+        board[toY][toX] = (ChessSquare) (PROMOTED piece);
+    }
+
+    if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) 
+               && promoChar != NULLCHAR && gameInfo.holdingsSize) { 
+       // [HGM] superchess: take promotion piece out of holdings
+       int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
+       if((int)piece < (int)BlackPawn) { // determine stm from piece color
+           if(!--board[k][BOARD_WIDTH-2])
+               board[k][BOARD_WIDTH-1] = EmptySquare;
+       } else {
+           if(!--board[BOARD_HEIGHT-1-k][1])
+               board[BOARD_HEIGHT-1-k][0] = EmptySquare;
+       }
+    }
+
+}
+
+/* Updates forwardMostMove */
+void
+MakeMove(fromX, fromY, toX, toY, promoChar)
+     int fromX, fromY, toX, toY;
+     int promoChar;
+{
+//    forwardMostMove++; // [HGM] bare: moved downstream
+
+    if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
+        int timeLeft; static int lastLoadFlag=0; int king, piece;
+        piece = boards[forwardMostMove][fromY][fromX];
+        king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
+        if(gameInfo.variant == VariantKnightmate)
+            king += (int) WhiteUnicorn - (int) WhiteKing;
+        if(forwardMostMove == 0) {
+            if(blackPlaysFirst) 
+                fprintf(serverMoves, "%s;", second.tidy);
+            fprintf(serverMoves, "%s;", first.tidy);
+            if(!blackPlaysFirst) 
+                fprintf(serverMoves, "%s;", second.tidy);
+        } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
+        lastLoadFlag = loadFlag;
+        // print base move
+        fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
+        // print castling suffix
+        if( toY == fromY && piece == king ) {
+            if(toX-fromX > 1)
+                fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
+            if(fromX-toX >1)
+                fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
+        }
+        // e.p. suffix
+        if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
+             boards[forwardMostMove][fromY][fromX] == BlackPawn   ) &&
+             boards[forwardMostMove][toY][toX] == EmptySquare
+             && fromX != toX )
+                fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
+        // promotion suffix
+        if(promoChar != NULLCHAR)
+                fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
+        if(!loadFlag) {
+            fprintf(serverMoves, "/%d/%d",
+               pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
+            if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
+            else                      timeLeft = blackTimeRemaining/1000;
+            fprintf(serverMoves, "/%d", timeLeft);
+        }
+        fflush(serverMoves);
+    }
+
+    if (forwardMostMove+1 >= MAX_MOVES) {
+      DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
+                       0, 1);
+      return;
+    }
+    SwitchClocks();
+    timeRemaining[0][forwardMostMove+1] = whiteTimeRemaining;
+    timeRemaining[1][forwardMostMove+1] = blackTimeRemaining;
+    if (commentList[forwardMostMove+1] != NULL) {
+       free(commentList[forwardMostMove+1]);
+       commentList[forwardMostMove+1] = NULL;
+    }
+    CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
+    {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
+    ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1], 
+                               castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
+    forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
+    gameInfo.result = GameUnfinished;
+    if (gameInfo.resultDetails != NULL) {
+       free(gameInfo.resultDetails);
+       gameInfo.resultDetails = NULL;
+    }
+    CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
+                             moveList[forwardMostMove - 1]);
+    (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
+                            PosFlags(forwardMostMove - 1), EP_UNKNOWN,
+                            fromY, fromX, toY, toX, promoChar,
+                            parseList[forwardMostMove - 1]);
+    switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
+                       epStatus[forwardMostMove], /* [HGM] use true e.p. */
+                            castlingRights[forwardMostMove]) ) {
+      case MT_NONE:
+      case MT_STALEMATE:
+      default:
+       break;
+      case MT_CHECK:
+        if(gameInfo.variant != VariantShogi)
+            strcat(parseList[forwardMostMove - 1], "+");
+       break;
+      case MT_CHECKMATE:
+      case MT_STAINMATE:
+       strcat(parseList[forwardMostMove - 1], "#");
+       break;
+    }
+    if (appData.debugMode) {
+        fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
+    }
+
+}
+
+/* Updates currentMove if not pausing */
+void
+ShowMove(fromX, fromY, toX, toY)
+{
+    int instant = (gameMode == PlayFromGameFile) ?
+       (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
+    if(appData.noGUI) return;
+    if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
+       if (!instant) {
+           if (forwardMostMove == currentMove + 1) {
+               AnimateMove(boards[forwardMostMove - 1],
+                           fromX, fromY, toX, toY);
+           }
+           if (appData.highlightLastMove) {
+               SetHighlights(fromX, fromY, toX, toY);
+           }
+       }
+       currentMove = forwardMostMove;
+    }
+
+    if (instant) return;
+
+    DisplayMove(currentMove - 1);
+    DrawPosition(FALSE, boards[currentMove]);
+    DisplayBothClocks();
+    HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
+}
+
+void SendEgtPath(ChessProgramState *cps)
+{       /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
+       char buf[MSG_SIZ], name[MSG_SIZ], *p;
+
+       if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
+
+       while(*p) {
+           char c, *q = name+1, *r, *s;
+
+           name[0] = ','; // extract next format name from feature and copy with prefixed ','
+           while(*p && *p != ',') *q++ = *p++;
+           *q++ = ':'; *q = 0;
+           if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] && 
+               strcmp(name, ",nalimov:") == 0 ) {
+               // take nalimov path from the menu-changeable option first, if it is defined
+               sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
+               SendToProgram(buf,cps);     // send egtbpath command for nalimov
+           } else
+           if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
+               (s = StrStr(appData.egtFormats, name)) != NULL) {
+               // format name occurs amongst user-supplied formats, at beginning or immediately after comma
+               s = r = StrStr(s, ":") + 1; // beginning of path info
+               while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
+               c = *r; *r = 0;             // temporarily null-terminate path info
+                   *--q = 0;               // strip of trailig ':' from name
+                   sprintf(buf, "egtbpath %s %s\n", name+1, s);
+               *r = c;
+               SendToProgram(buf,cps);     // send egtbpath command for this format
+           }
+           if(*p == ',') p++; // read away comma to position for next format name
+       }
+}
+
+void
+InitChessProgram(cps, setup)
+     ChessProgramState *cps;
+     int setup; /* [HGM] needed to setup FRC opening position */
+{
+    char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
+    if (appData.noChessProgram) return;
+    hintRequested = FALSE;
+    bookRequested = FALSE;
+
+    /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
+    /*       moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
+    if(cps->memSize) { /* [HGM] memory */
+       sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
+       SendToProgram(buf, cps);
+    }
+    SendEgtPath(cps); /* [HGM] EGT */
+    if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
+       sprintf(buf, "cores %d\n", appData.smpCores);
+       SendToProgram(buf, cps);
+    }
+
+    SendToProgram(cps->initString, cps);
+    if (gameInfo.variant != VariantNormal &&
+       gameInfo.variant != VariantLoadable
+        /* [HGM] also send variant if board size non-standard */
+        || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
+                                            ) {
+      char *v = VariantName(gameInfo.variant);
+      if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
+        /* [HGM] in protocol 1 we have to assume all variants valid */
+       sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
+       DisplayFatalError(buf, 0, 1);
+       return;
+      }
+
+      /* [HGM] make prefix for non-standard board size. Awkward testing... */
+      overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
+      if( gameInfo.variant == VariantXiangqi )
+           overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
+      if( gameInfo.variant == VariantShogi )
+           overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
+      if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
+           overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
+      if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom || 
+                               gameInfo.variant == VariantGothic  || gameInfo.variant == VariantFalcon )
+           overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
+      if( gameInfo.variant == VariantCourier )
+           overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
+      if( gameInfo.variant == VariantSuper )
+           overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
+      if( gameInfo.variant == VariantGreat )
+           overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
+
+      if(overruled) {
+           sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight, 
+                               gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
+           /* [HGM] varsize: try first if this defiant size variant is specifically known */
+           if(StrStr(cps->variants, b) == NULL) { 
+               // specific sized variant not known, check if general sizing allowed
+               if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
+                   if(StrStr(cps->variants, "boardsize") == NULL) {
+                       sprintf(buf, "Board size %dx%d+%d not supported by %s",
+                            gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
+                       DisplayFatalError(buf, 0, 1);
+                       return;
+                   }
+                   /* [HGM] here we really should compare with the maximum supported board size */
+               }
+           }
+      } else sprintf(b, "%s", VariantName(gameInfo.variant));
+      sprintf(buf, "variant %s\n", b);
+      SendToProgram(buf, cps);
+    }
+    currentlyInitializedVariant = gameInfo.variant;
+
+    /* [HGM] send opening position in FRC to first engine */
+    if(setup) {
+          SendToProgram("force\n", cps);
+          SendBoard(cps, 0);
+          /* engine is now in force mode! Set flag to wake it up after first move. */
+          setboardSpoiledMachineBlack = 1;
+    }
+
+    if (cps->sendICS) {
+      snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
+      SendToProgram(buf, cps);
+    }
+    cps->maybeThinking = FALSE;
+    cps->offeredDraw = 0;
+    if (!appData.icsActive) {
+       SendTimeControl(cps, movesPerSession, timeControl,
+                       timeIncrement, appData.searchDepth,
+                       searchTime);
+    }
+    if (appData.showThinking 
+       // [HGM] thinking: four options require thinking output to be sent
+       || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
+                               ) {
+       SendToProgram("post\n", cps);
+    }
+    SendToProgram("hard\n", cps);
+    if (!appData.ponderNextMove) {
+       /* Warning: "easy" is a toggle in GNU Chess, so don't send
+          it without being sure what state we are in first.  "hard"
+          is not a toggle, so that one is OK.
+        */
+       SendToProgram("easy\n", cps);
+    }
+    if (cps->usePing) {
+      sprintf(buf, "ping %d\n", ++cps->lastPing);
+      SendToProgram(buf, cps);
+    }
+    cps->initDone = TRUE;
+}   
+
+
+void
+StartChessProgram(cps)
+     ChessProgramState *cps;
+{
+    char buf[MSG_SIZ];
+    int err;
+
+    if (appData.noChessProgram) return;
+    cps->initDone = FALSE;
+
+    if (strcmp(cps->host, "localhost") == 0) {
+       err = StartChildProcess(cps->program, cps->dir, &cps->pr);
+    } else if (*appData.remoteShell == NULLCHAR) {
+       err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
+    } else {
+       if (*appData.remoteUser == NULLCHAR) {
+         snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
+                   cps->program);
+       } else {
+         snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
+                   cps->host, appData.remoteUser, cps->program);
+       }
+       err = StartChildProcess(buf, "", &cps->pr);
+    }
+    
+    if (err != 0) {
+       sprintf(buf, _("Startup failure on '%s'"), cps->program);
+       DisplayFatalError(buf, err, 1);
+       cps->pr = NoProc;
+       cps->isr = NULL;
+       return;
+    }
+    
+    cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
+    if (cps->protocolVersion > 1) {
+      sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
+      cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
+      cps->comboCnt = 0;  //                and values of combo boxes
+      SendToProgram(buf, cps);
+    } else {
+      SendToProgram("xboard\n", cps);
+    }
+}
+
+
+void
+TwoMachinesEventIfReady P((void))
+{
+  if (first.lastPing != first.lastPong) {
+    DisplayMessage("", _("Waiting for first chess program"));
+    ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
+    return;
+  }
+  if (second.lastPing != second.lastPong) {
+    DisplayMessage("", _("Waiting for second chess program"));
+    ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
+    return;
+  }
+  ThawUI();
+  TwoMachinesEvent();
+}
+
+void
+NextMatchGame P((void))
+{
+    int index; /* [HGM] autoinc: step lod index during match */
+    Reset(FALSE, TRUE);
+    if (*appData.loadGameFile != NULLCHAR) {
+       index = appData.loadGameIndex;
+       if(index < 0) { // [HGM] autoinc
+           lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
+           if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
+       } 
+       LoadGameFromFile(appData.loadGameFile,
+                        index,
+                        appData.loadGameFile, FALSE);
+    } else if (*appData.loadPositionFile != NULLCHAR) {
+       index = appData.loadPositionIndex;
+       if(index < 0) { // [HGM] autoinc
+           lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
+           if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
+       } 
+       LoadPositionFromFile(appData.loadPositionFile,
+                            index,
+                            appData.loadPositionFile);
+    }
+    TwoMachinesEventIfReady();
+}
+
+void UserAdjudicationEvent( int result )
+{
+    ChessMove gameResult = GameIsDrawn;
+
+    if( result > 0 ) {
+        gameResult = WhiteWins;
+    }
+    else if( result < 0 ) {
+        gameResult = BlackWins;
+    }
+
+    if( gameMode == TwoMachinesPlay ) {
+        GameEnds( gameResult, "User adjudication", GE_XBOARD );
+    }
+}
+
+
+void
+GameEnds(result, resultDetails, whosays)
+     ChessMove result;
+     char *resultDetails;
+     int whosays;
+{
+    GameMode nextGameMode;
+    int isIcsGame;
+    char buf[MSG_SIZ];
+
+    if(endingGame) return; /* [HGM] crash: forbid recursion */
+    endingGame = 1;
+
+    if (appData.debugMode) {
+      fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
+             result, resultDetails ? resultDetails : "(null)", whosays);
+    }
+
+    if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
+       /* If we are playing on ICS, the server decides when the
+          game is over, but the engine can offer to draw, claim 
+          a draw, or resign. 
+        */
+#if ZIPPY
+       if (appData.zippyPlay && first.initDone) {
+           if (result == GameIsDrawn) {
+               /* In case draw still needs to be claimed */
+               SendToICS(ics_prefix);
+               SendToICS("draw\n");
+           } else if (StrCaseStr(resultDetails, "resign")) {
+               SendToICS(ics_prefix);
+               SendToICS("resign\n");
+           }
+        }
+#endif
+       endingGame = 0; /* [HGM] crash */
+        return;
+    }
+
+    /* If we're loading the game from a file, stop */
+    if (whosays == GE_FILE) {
+      (void) StopLoadGameTimer();
+      gameFileFP = NULL;
+    }
+
+    /* Cancel draw offers */
+    first.offeredDraw = second.offeredDraw = 0;
+
+    /* If this is an ICS game, only ICS can really say it's done;
+       if not, anyone can. */
+    isIcsGame = (gameMode == IcsPlayingWhite || 
+                gameMode == IcsPlayingBlack || 
+                gameMode == IcsObserving    || 
+                gameMode == IcsExamining);
+
+    if (!isIcsGame || whosays == GE_ICS) {
+       /* OK -- not an ICS game, or ICS said it was done */
+       StopClocks();
+       if (!isIcsGame && !appData.noChessProgram) 
+         SetUserThinkingEnables();
+    
+        /* [HGM] if a machine claims the game end we verify this claim */
+        if(gameMode == TwoMachinesPlay && appData.testClaims) {
+           if(appData.testLegality && whosays >= GE_ENGINE1 ) {
+                char claimer;
+               ChessMove trueResult = (ChessMove) -1;
+
+                claimer = whosays == GE_ENGINE1 ?      /* color of claimer */
+                                            first.twoMachinesColor[0] :
+                                            second.twoMachinesColor[0] ;
+
+               // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
+               if(epStatus[forwardMostMove] == EP_CHECKMATE) {
+                   /* [HGM] verify: engine mate claims accepted if they were flagged */
+                   trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
+               } else
+               if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
+                   /* [HGM] verify: engine mate claims accepted if they were flagged */
+                   trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
+               } else
+               if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
+                   trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
+               }
+
+               // now verify win claims, but not in drop games, as we don't understand those yet
+                if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
+                                                || gameInfo.variant == VariantGreat) &&
+                    (result == WhiteWins && claimer == 'w' ||
+                     result == BlackWins && claimer == 'b'   ) ) { // case to verify: engine claims own win
+                     if (appData.debugMode) {
+                       fprintf(debugFP, "result=%d sp=%d move=%d\n",
+                               result, epStatus[forwardMostMove], forwardMostMove);
+                     }
+                     if(result != trueResult) {
+                             sprintf(buf, "False win claim: '%s'", resultDetails);
+                             result = claimer == 'w' ? BlackWins : WhiteWins;
+                             resultDetails = buf;
+                     }
+                } else
+                if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
+                    && (forwardMostMove <= backwardMostMove ||
+                        epStatus[forwardMostMove-1] > EP_DRAWS ||
+                        (claimer=='b')==(forwardMostMove&1))
+                                                                                  ) {
+                      /* [HGM] verify: draws that were not flagged are false claims */
+                      sprintf(buf, "False draw claim: '%s'", resultDetails);
+                      result = claimer == 'w' ? BlackWins : WhiteWins;
+                      resultDetails = buf;
+                }
+                /* (Claiming a loss is accepted no questions asked!) */
+           }
+           /* [HGM] bare: don't allow bare King to win */
+           if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
+              && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway 
+              && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
+              && result != GameIsDrawn)
+           {   int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
+               for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
+                       int p = (int)boards[forwardMostMove][i][j] - color;
+                       if(p >= 0 && p <= (int)WhiteKing) k++;
+               }
+               if (appData.debugMode) {
+                    fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
+                       result, resultDetails ? resultDetails : "(null)", whosays, k, color);
+               }
+               if(k <= 1) {
+                       result = GameIsDrawn;
+                       sprintf(buf, "%s but bare king", resultDetails);
+                       resultDetails = buf;
+               }
+           }
+        }
+
+
+        if(serverMoves != NULL && !loadFlag) { char c = '=';
+            if(result==WhiteWins) c = '+';
+            if(result==BlackWins) c = '-';
+            if(resultDetails != NULL)
+                fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
+        }
+       if (resultDetails != NULL) {
+           gameInfo.result = result;
+           gameInfo.resultDetails = StrSave(resultDetails);
+
+           /* display last move only if game was not loaded from file */
+           if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
+               DisplayMove(currentMove - 1);
+    
+           if (forwardMostMove != 0) {
+               if (gameMode != PlayFromGameFile && gameMode != EditGame) {
+                   if (*appData.saveGameFile != NULLCHAR) {
+                       SaveGameToFile(appData.saveGameFile, TRUE);
+                   } else if (appData.autoSaveGames) {
+                       AutoSaveGame();
+                   }
+                   if (*appData.savePositionFile != NULLCHAR) {
+                       SavePositionToFile(appData.savePositionFile);
+                   }
+               }
+           }
+
+           /* Tell program how game ended in case it is learning */
+            /* [HGM] Moved this to after saving the PGN, just in case */
+            /* engine died and we got here through time loss. In that */
+            /* case we will get a fatal error writing the pipe, which */
+            /* would otherwise lose us the PGN.                       */
+            /* [HGM] crash: not needed anymore, but doesn't hurt;     */
+            /* output during GameEnds should never be fatal anymore   */
+           if (gameMode == MachinePlaysWhite ||
+               gameMode == MachinePlaysBlack ||
+               gameMode == TwoMachinesPlay ||
+               gameMode == IcsPlayingWhite ||
+               gameMode == IcsPlayingBlack ||
+               gameMode == BeginningOfGame) {
+               char buf[MSG_SIZ];
+               sprintf(buf, "result %s {%s}\n", PGNResult(result),
+                       resultDetails);
+               if (first.pr != NoProc) {
+                   SendToProgram(buf, &first);
+               }
+               if (second.pr != NoProc &&
+                   gameMode == TwoMachinesPlay) {
+                   SendToProgram(buf, &second);
+               }
+           }
+       }
+
+       if (appData.icsActive) {
+           if (appData.quietPlay &&
+               (gameMode == IcsPlayingWhite ||
+                gameMode == IcsPlayingBlack)) {
+               SendToICS(ics_prefix);
+               SendToICS("set shout 1\n");
+           }
+           nextGameMode = IcsIdle;
+           ics_user_moved = FALSE;
+           /* clean up premove.  It's ugly when the game has ended and the
+            * premove highlights are still on the board.
+            */
+           if (gotPremove) {
+             gotPremove = FALSE;
+             ClearPremoveHighlights();
+             DrawPosition(FALSE, boards[currentMove]);
+           }
+           if (whosays == GE_ICS) {
+               switch (result) {
+               case WhiteWins:
+                   if (gameMode == IcsPlayingWhite)
+                       PlayIcsWinSound();
+                   else if(gameMode == IcsPlayingBlack)
+                       PlayIcsLossSound();
+                   break;
+               case BlackWins:
+                   if (gameMode == IcsPlayingBlack)
+                       PlayIcsWinSound();
+                   else if(gameMode == IcsPlayingWhite)
+                       PlayIcsLossSound();
+                   break;
+               case GameIsDrawn:
+                   PlayIcsDrawSound();
+                   break;
+               default:
+                   PlayIcsUnfinishedSound();
+               }
+           }
+       } else if (gameMode == EditGame ||
+                  gameMode == PlayFromGameFile || 
+                  gameMode == AnalyzeMode || 
+                  gameMode == AnalyzeFile) {
+           nextGameMode = gameMode;
+       } else {
+           nextGameMode = EndOfGame;
+       }
+       pausing = FALSE;
+       ModeHighlight();
+    } else {
+       nextGameMode = gameMode;
+    }
+
+    if (appData.noChessProgram) {
+       gameMode = nextGameMode;
+       ModeHighlight();
+       endingGame = 0; /* [HGM] crash */
+        return;
+    }
+
+    if (first.reuse) {
+       /* Put first chess program into idle state */
+       if (first.pr != NoProc &&
+           (gameMode == MachinePlaysWhite ||
+            gameMode == MachinePlaysBlack ||
+            gameMode == TwoMachinesPlay ||
+            gameMode == IcsPlayingWhite ||
+            gameMode == IcsPlayingBlack ||
+            gameMode == BeginningOfGame)) {
+           SendToProgram("force\n", &first);
+           if (first.usePing) {
+             char buf[MSG_SIZ];
+             sprintf(buf, "ping %d\n", ++first.lastPing);
+             SendToProgram(buf, &first);
+           }
+       }
+    } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
+       /* Kill off first chess program */
+       if (first.isr != NULL)
+         RemoveInputSource(first.isr);
+       first.isr = NULL;
+    
+       if (first.pr != NoProc) {
+           ExitAnalyzeMode();
+            DoSleep( appData.delayBeforeQuit );
+           SendToProgram("quit\n", &first);
+            DoSleep( appData.delayAfterQuit );
+           DestroyChildProcess(first.pr, first.useSigterm);
+       }
+       first.pr = NoProc;
+    }
+    if (second.reuse) {
+       /* Put second chess program into idle state */
+       if (second.pr != NoProc &&
+           gameMode == TwoMachinesPlay) {
+           SendToProgram("force\n", &second);
+           if (second.usePing) {
+             char buf[MSG_SIZ];
+             sprintf(buf, "ping %d\n", ++second.lastPing);
+             SendToProgram(buf, &second);
+           }
+       }
+    } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
+       /* Kill off second chess program */
+       if (second.isr != NULL)
+         RemoveInputSource(second.isr);
+       second.isr = NULL;
+    
+       if (second.pr != NoProc) {
+            DoSleep( appData.delayBeforeQuit );
+           SendToProgram("quit\n", &second);
+            DoSleep( appData.delayAfterQuit );
+           DestroyChildProcess(second.pr, second.useSigterm);
+       }
+       second.pr = NoProc;
+    }
+
+    if (matchMode && gameMode == TwoMachinesPlay) {
+        switch (result) {
+       case WhiteWins:
+         if (first.twoMachinesColor[0] == 'w') {
+           first.matchWins++;
+         } else {
+           second.matchWins++;
+         }
+         break;
+       case BlackWins:
+         if (first.twoMachinesColor[0] == 'b') {
+           first.matchWins++;
+         } else {
+           second.matchWins++;
+         }
+         break;
+       default:
+         break;
+       }
+       if (matchGame < appData.matchGames) {
+           char *tmp;
+           if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
+               tmp = first.twoMachinesColor;
+               first.twoMachinesColor = second.twoMachinesColor;
+               second.twoMachinesColor = tmp;
+           }
+           gameMode = nextGameMode;
+           matchGame++;
+            if(appData.matchPause>10000 || appData.matchPause<10)
+                appData.matchPause = 10000; /* [HGM] make pause adjustable */
+            ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
+           endingGame = 0; /* [HGM] crash */
+           return;
+       } else {
+           char buf[MSG_SIZ];
+           gameMode = nextGameMode;
+           sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
+                   first.tidy, second.tidy,
+                   first.matchWins, second.matchWins,
+                   appData.matchGames - (first.matchWins + second.matchWins));
+           DisplayFatalError(buf, 0, 0);
+       }
+    }
+    if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
+       !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
+      ExitAnalyzeMode();
+    gameMode = nextGameMode;
+    ModeHighlight();
+    endingGame = 0;  /* [HGM] crash */
+}
+
+/* Assumes program was just initialized (initString sent).
+   Leaves program in force mode. */
+void
+FeedMovesToProgram(cps, upto) 
+     ChessProgramState *cps;
+     int upto;
+{
+    int i;
+    
+    if (appData.debugMode)
+      fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
+             startedFromSetupPosition ? "position and " : "",
+             backwardMostMove, upto, cps->which);
+    if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
+        // [HGM] variantswitch: make engine aware of new variant
+       if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
+               return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
+       sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
+       SendToProgram(buf, cps);
+        currentlyInitializedVariant = gameInfo.variant;
+    }
+    SendToProgram("force\n", cps);
+    if (startedFromSetupPosition) {
+       SendBoard(cps, backwardMostMove);
+    if (appData.debugMode) {
+        fprintf(debugFP, "feedMoves\n");
+    }
+    }
+    for (i = backwardMostMove; i < upto; i++) {
+       SendMoveToProgram(i, cps);
+    }
+}
+
+
+void
+ResurrectChessProgram()
+{
+     /* The chess program may have exited.
+       If so, restart it and feed it all the moves made so far. */
+
+    if (appData.noChessProgram || first.pr != NoProc) return;
+    
+    StartChessProgram(&first);
+    InitChessProgram(&first, FALSE);
+    FeedMovesToProgram(&first, currentMove);
+
+    if (!first.sendTime) {
+       /* can't tell gnuchess what its clock should read,
+          so we bow to its notion. */
+       ResetClocks();
+       timeRemaining[0][currentMove] = whiteTimeRemaining;
+       timeRemaining[1][currentMove] = blackTimeRemaining;
+    }
+
+    if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
+                appData.icsEngineAnalyze) && first.analysisSupport) {
+      SendToProgram("analyze\n", &first);
+      first.analyzing = TRUE;
+    }
+}
+
+/*
+ * Button procedures
+ */
+void
+Reset(redraw, init)
+     int redraw, init;
+{
+    int i;
+
+    if (appData.debugMode) {
+       fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
+               redraw, init, gameMode);
+    }
+    pausing = pauseExamInvalid = FALSE;
+    startedFromSetupPosition = blackPlaysFirst = FALSE;
+    firstMove = TRUE;
+    whiteFlag = blackFlag = FALSE;
+    userOfferedDraw = FALSE;
+    hintRequested = bookRequested = FALSE;
+    first.maybeThinking = FALSE;
+    second.maybeThinking = FALSE;
+    first.bookSuspend = FALSE; // [HGM] book
+    second.bookSuspend = FALSE;
+    thinkOutput[0] = NULLCHAR;
+    lastHint[0] = NULLCHAR;
+    ClearGameInfo(&gameInfo);
+    gameInfo.variant = StringToVariant(appData.variant);
+    ics_user_moved = ics_clock_paused = FALSE;
+    ics_getting_history = H_FALSE;
+    ics_gamenum = -1;
+    white_holding[0] = black_holding[0] = NULLCHAR;
+    ClearProgramStats();
+    opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
+    
+    ResetFrontEnd();
+    ClearHighlights();
+    flipView = appData.flipView;
+    ClearPremoveHighlights();
+    gotPremove = FALSE;
+    alarmSounded = FALSE;
+
+    GameEnds((ChessMove) 0, NULL, GE_PLAYER);
+    if(appData.serverMovesName != NULL) {
+        /* [HGM] prepare to make moves file for broadcasting */
+        clock_t t = clock();
+        if(serverMoves != NULL) fclose(serverMoves);
+        serverMoves = fopen(appData.serverMovesName, "r");
+        if(serverMoves != NULL) {
+            fclose(serverMoves);
+            /* delay 15 sec before overwriting, so all clients can see end */
+            while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
+        }
+        serverMoves = fopen(appData.serverMovesName, "w");
+    }
+
+    ExitAnalyzeMode();
+    gameMode = BeginningOfGame;
+    ModeHighlight();
+    if(appData.icsActive) gameInfo.variant = VariantNormal;
+    InitPosition(redraw);
+    for (i = 0; i < MAX_MOVES; i++) {
+       if (commentList[i] != NULL) {
+           free(commentList[i]);
+           commentList[i] = NULL;
+       }
+    }
+    ResetClocks();
+    timeRemaining[0][0] = whiteTimeRemaining;
+    timeRemaining[1][0] = blackTimeRemaining;
+    if (first.pr == NULL) {
+       StartChessProgram(&first);
+    }
+    if (init) {
+           InitChessProgram(&first, startedFromSetupPosition);
+    }
+    DisplayTitle("");
+    DisplayMessage("", "");
+    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
+}
+
+void
+AutoPlayGameLoop()
+{
+    for (;;) {
+       if (!AutoPlayOneMove())
+         return;
+       if (matchMode || appData.timeDelay == 0)
+         continue;
+       if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
+         return;
+       StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
+       break;
+    }
+}
+
+
+int
+AutoPlayOneMove()
+{
+    int fromX, fromY, toX, toY;
+
+    if (appData.debugMode) {
+      fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
+    }
+
+    if (gameMode != PlayFromGameFile)
+      return FALSE;
+
+    if (currentMove >= forwardMostMove) {
+      gameMode = EditGame;
+      ModeHighlight();
+
+      /* [AS] Clear current move marker at the end of a game */
+      /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
+
+      return FALSE;
+    }
+    
+    toX = moveList[currentMove][2] - AAA;
+    toY = moveList[currentMove][3] - ONE;
+
+    if (moveList[currentMove][1] == '@') {
+       if (appData.highlightLastMove) {
+           SetHighlights(-1, -1, toX, toY);
+       }
+    } else {
+        fromX = moveList[currentMove][0] - AAA;
+        fromY = moveList[currentMove][1] - ONE;
+
+        HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
+
+       AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
+
+       if (appData.highlightLastMove) {
+           SetHighlights(fromX, fromY, toX, toY);
+       }
+    }
+    DisplayMove(currentMove);
+    SendMoveToProgram(currentMove++, &first);
+    DisplayBothClocks();
+    DrawPosition(FALSE, boards[currentMove]);
+    // [HGM] PV info: always display, routine tests if empty
+    DisplayComment(currentMove - 1, commentList[currentMove]);
+    return TRUE;
+}
+
+
+int
+LoadGameOneMove(readAhead)
+     ChessMove readAhead;
+{
+    int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
+    char promoChar = NULLCHAR;
+    ChessMove moveType;
+    char move[MSG_SIZ];
+    char *p, *q;
+    
+    if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile && 
+       gameMode != AnalyzeMode && gameMode != Training) {
+       gameFileFP = NULL;
+       return FALSE;
+    }
+    
+    yyboardindex = forwardMostMove;
+    if (readAhead != (ChessMove)0) {
+      moveType = readAhead;
+    } else {
+      if (gameFileFP == NULL)
+         return FALSE;
+      moveType = (ChessMove) yylex();
+    }
+    
+    done = FALSE;
+    switch (moveType) {
+      case Comment:
+       if (appData.debugMode) 
+         fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
+       p = yy_text;
+       if (*p == '{' || *p == '[' || *p == '(') {
+           p[strlen(p) - 1] = NULLCHAR;
+           p++;
+       }
+
+       /* append the comment but don't display it */
+       while (*p == '\n') p++;
+       AppendComment(currentMove, p);
+       return TRUE;
+
+      case WhiteCapturesEnPassant:
+      case BlackCapturesEnPassant:
+      case WhitePromotionChancellor:
+      case BlackPromotionChancellor:
+      case WhitePromotionArchbishop:
+      case BlackPromotionArchbishop:
+      case WhitePromotionCentaur:
+      case BlackPromotionCentaur:
+      case WhitePromotionQueen:
+      case BlackPromotionQueen:
+      case WhitePromotionRook:
+      case BlackPromotionRook:
+      case WhitePromotionBishop:
+      case BlackPromotionBishop:
+      case WhitePromotionKnight:
+      case BlackPromotionKnight:
+      case WhitePromotionKing:
+      case BlackPromotionKing:
+      case NormalMove:
+      case WhiteKingSideCastle:
+      case WhiteQueenSideCastle:
+      case BlackKingSideCastle:
+      case BlackQueenSideCastle:
+      case WhiteKingSideCastleWild:
+      case WhiteQueenSideCastleWild:
+      case BlackKingSideCastleWild:
+      case BlackQueenSideCastleWild:
+      /* PUSH Fabien */
+      case WhiteHSideCastleFR:
+      case WhiteASideCastleFR:
+      case BlackHSideCastleFR:
+      case BlackASideCastleFR:
+      /* POP Fabien */
+       if (appData.debugMode)
+         fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
+        fromX = currentMoveString[0] - AAA;
+        fromY = currentMoveString[1] - ONE;
+        toX = currentMoveString[2] - AAA;
+        toY = currentMoveString[3] - ONE;
+       promoChar = currentMoveString[4];
+       break;
+
+      case WhiteDrop:
+      case BlackDrop:
+       if (appData.debugMode)
+         fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
+       fromX = moveType == WhiteDrop ?
+         (int) CharToPiece(ToUpper(currentMoveString[0])) :
+       (int) CharToPiece(ToLower(currentMoveString[0]));
+       fromY = DROP_RANK;
+        toX = currentMoveString[2] - AAA;
+        toY = currentMoveString[3] - ONE;
+       break;
+
+      case WhiteWins:
+      case BlackWins:
+      case GameIsDrawn:
+      case GameUnfinished:
+       if (appData.debugMode)
+         fprintf(debugFP, "Parsed game end: %s\n", yy_text);
+       p = strchr(yy_text, '{');
+       if (p == NULL) p = strchr(yy_text, '(');
+       if (p == NULL) {
+           p = yy_text;
+           if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
+       } else {
+           q = strchr(p, *p == '{' ? '}' : ')');
+           if (q != NULL) *q = NULLCHAR;
+           p++;
+       }
+       GameEnds(moveType, p, GE_FILE);
+       done = TRUE;
+       if (cmailMsgLoaded) {
+           ClearHighlights();
+           flipView = WhiteOnMove(currentMove);
+           if (moveType == GameUnfinished) flipView = !flipView;
+           if (appData.debugMode)
+             fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
+       }
+       break;
+
+      case (ChessMove) 0:      /* end of file */
+       if (appData.debugMode)
+         fprintf(debugFP, "Parser hit end of file\n");
+       switch (MateTest(boards[currentMove], PosFlags(currentMove),
+                         EP_UNKNOWN, castlingRights[currentMove]) ) {
+         case MT_NONE:
+         case MT_CHECK:
+           break;
+         case MT_CHECKMATE:
+         case MT_STAINMATE:
+           if (WhiteOnMove(currentMove)) {
+               GameEnds(BlackWins, "Black mates", GE_FILE);
+           } else {
+               GameEnds(WhiteWins, "White mates", GE_FILE);
+           }
+           break;
+         case MT_STALEMATE:
+           GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
+           break;
+       }
+       done = TRUE;
+       break;
+
+      case MoveNumberOne:
+       if (lastLoadGameStart == GNUChessGame) {
+           /* GNUChessGames have numbers, but they aren't move numbers */
+           if (appData.debugMode)
+             fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
+                     yy_text, (int) moveType);
+           return LoadGameOneMove((ChessMove)0); /* tail recursion */
+       }
+       /* else fall thru */
+
+      case XBoardGame:
+      case GNUChessGame:
+      case PGNTag:
+       /* Reached start of next game in file */
+       if (appData.debugMode)
+         fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
+       switch (MateTest(boards[currentMove], PosFlags(currentMove),
+                         EP_UNKNOWN, castlingRights[currentMove]) ) {
+         case MT_NONE:
+         case MT_CHECK:
+           break;
+         case MT_CHECKMATE:
+         case MT_STAINMATE:
+           if (WhiteOnMove(currentMove)) {
+               GameEnds(BlackWins, "Black mates", GE_FILE);
+           } else {
+               GameEnds(WhiteWins, "White mates", GE_FILE);
+           }
+           break;
+         case MT_STALEMATE:
+           GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
+           break;
+       }
+       done = TRUE;
+       break;
+
+      case PositionDiagram:    /* should not happen; ignore */
+      case ElapsedTime:                /* ignore */
+      case NAG:                 /* ignore */
+       if (appData.debugMode)
+         fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
+                 yy_text, (int) moveType);
+       return LoadGameOneMove((ChessMove)0); /* tail recursion */
+
+      case IllegalMove:
+       if (appData.testLegality) {
+           if (appData.debugMode)
+             fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
+           sprintf(move, _("Illegal move: %d.%s%s"),
+                   (forwardMostMove / 2) + 1,
+                   WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
+           DisplayError(move, 0);
+           done = TRUE;
+       } else {
+           if (appData.debugMode)
+             fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
+                     yy_text, currentMoveString);
+            fromX = currentMoveString[0] - AAA;
+            fromY = currentMoveString[1] - ONE;
+            toX = currentMoveString[2] - AAA;
+            toY = currentMoveString[3] - ONE;
+           promoChar = currentMoveString[4];
+       }
+       break;
+
+      case AmbiguousMove:
+       if (appData.debugMode)
+         fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
+       sprintf(move, _("Ambiguous move: %d.%s%s"),
+               (forwardMostMove / 2) + 1,
+               WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
+       DisplayError(move, 0);
+       done = TRUE;
+       break;
+
+      default:
+      case ImpossibleMove:
+       if (appData.debugMode)
+         fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
+       sprintf(move, _("Illegal move: %d.%s%s"),
+               (forwardMostMove / 2) + 1,
+               WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
+       DisplayError(move, 0);
+       done = TRUE;
+       break;
+    }
+
+    if (done) {
+       if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
+           DrawPosition(FALSE, boards[currentMove]);
+           DisplayBothClocks();
+            if (!appData.matchMode) // [HGM] PV info: routine tests if empty
+             DisplayComment(currentMove - 1, commentList[currentMove]);
+       }
+       (void) StopLoadGameTimer();
+       gameFileFP = NULL;
+       cmailOldMove = forwardMostMove;
+       return FALSE;
+    } else {
+       /* currentMoveString is set as a side-effect of yylex */
+       strcat(currentMoveString, "\n");
+       strcpy(moveList[forwardMostMove], currentMoveString);
+       
+       thinkOutput[0] = NULLCHAR;
+       MakeMove(fromX, fromY, toX, toY, promoChar);
+       currentMove = forwardMostMove;
+       return TRUE;
+    }
+}
+
+/* Load the nth game from the given file */
+int
+LoadGameFromFile(filename, n, title, useList)
+     char *filename;
+     int n;
+     char *title;
+     /*Boolean*/ int useList;
+{
+    FILE *f;
+    char buf[MSG_SIZ];
+
+    if (strcmp(filename, "-") == 0) {
+       f = stdin;
+       title = "stdin";
+    } else {
+       f = fopen(filename, "rb");
+       if (f == NULL) {
+         snprintf(buf, sizeof(buf),  _("Can't open \"%s\""), filename);
+           DisplayError(buf, errno);
+           return FALSE;
+       }
+    }
+    if (fseek(f, 0, 0) == -1) {
+       /* f is not seekable; probably a pipe */
+       useList = FALSE;
+    }
+    if (useList && n == 0) {
+       int error = GameListBuild(f);
+       if (error) {
+           DisplayError(_("Cannot build game list"), error);
+       } else if (!ListEmpty(&gameList) &&
+                  ((ListGame *) gameList.tailPred)->number > 1) {
+           GameListPopUp(f, title);
+           return TRUE;
+       }
+       GameListDestroy();
+       n = 1;
+    }
+    if (n == 0) n = 1;
+    return LoadGame(f, n, title, FALSE);
+}
+
+
+void
+MakeRegisteredMove()
+{
+    int fromX, fromY, toX, toY;
+    char promoChar;
+    if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
+       switch (cmailMoveType[lastLoadGameNumber - 1]) {
+         case CMAIL_MOVE:
+         case CMAIL_DRAW:
+           if (appData.debugMode)
+             fprintf(debugFP, "Restoring %s for game %d\n",
+                     cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
+    
+           thinkOutput[0] = NULLCHAR;
+           strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
+            fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
+            fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
+            toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
+            toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
+           promoChar = cmailMove[lastLoadGameNumber - 1][4];
+           MakeMove(fromX, fromY, toX, toY, promoChar);
+           ShowMove(fromX, fromY, toX, toY);
+             
+           switch (MateTest(boards[currentMove], PosFlags(currentMove),
+                             EP_UNKNOWN, castlingRights[currentMove]) ) {
+             case MT_NONE:
+             case MT_CHECK:
+               break;
+               
+             case MT_CHECKMATE:
+             case MT_STAINMATE:
+               if (WhiteOnMove(currentMove)) {
+                   GameEnds(BlackWins, "Black mates", GE_PLAYER);
+               } else {
+                   GameEnds(WhiteWins, "White mates", GE_PLAYER);
+               }
+               break;
+               
+             case MT_STALEMATE:
+               GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
+               break;
+           }
+
+           break;
+           
+         case CMAIL_RESIGN:
+           if (WhiteOnMove(currentMove)) {
+               GameEnds(BlackWins, "White resigns", GE_PLAYER);
+           } else {
+               GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
+           }
+           break;
+           
+         case CMAIL_ACCEPT:
+           GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
+           break;
+             
+         default:
+           break;
+       }
+    }
+
+    return;
+}
+
+/* Wrapper around LoadGame for use when a Cmail message is loaded */
+int
+CmailLoadGame(f, gameNumber, title, useList)
+     FILE *f;
+     int gameNumber;
+     char *title;
+     int useList;
+{
+    int retVal;
+
+    if (gameNumber > nCmailGames) {
+       DisplayError(_("No more games in this message"), 0);
+       return FALSE;
+    }
+    if (f == lastLoadGameFP) {
+       int offset = gameNumber - lastLoadGameNumber;
+       if (offset == 0) {
+           cmailMsg[0] = NULLCHAR;
+           if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
+               cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
+               nCmailMovesRegistered--;
+           }
+           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
+           if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
+               cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
+           }
+       } else {
+           if (! RegisterMove()) return FALSE;
+       }
+    }
+
+    retVal = LoadGame(f, gameNumber, title, useList);
+
+    /* Make move registered during previous look at this game, if any */
+    MakeRegisteredMove();
+
+    if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
+       commentList[currentMove]
+         = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
+       DisplayComment(currentMove - 1, commentList[currentMove]);
+    }
+
+    return retVal;
+}
+
+/* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
+int
+ReloadGame(offset)
+     int offset;
+{
+    int gameNumber = lastLoadGameNumber + offset;
+    if (lastLoadGameFP == NULL) {
+       DisplayError(_("No game has been loaded yet"), 0);
+       return FALSE;
+    }
+    if (gameNumber <= 0) {
+       DisplayError(_("Can't back up any further"), 0);
+       return FALSE;
+    }
+    if (cmailMsgLoaded) {
+       return CmailLoadGame(lastLoadGameFP, gameNumber,
+                            lastLoadGameTitle, lastLoadGameUseList);
+    } else {
+       return LoadGame(lastLoadGameFP, gameNumber,
+                       lastLoadGameTitle, lastLoadGameUseList);
+    }
+}
+
+
+
+/* Load the nth game from open file f */
+int
+LoadGame(f, gameNumber, title, useList)
+     FILE *f;
+     int gameNumber;
+     char *title;
+     int useList;
+{
+    ChessMove cm;
+    char buf[MSG_SIZ];
+    int gn = gameNumber;
+    ListGame *lg = NULL;
+    int numPGNTags = 0;
+    int err;
+    GameMode oldGameMode;
+    VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
+
+    if (appData.debugMode) 
+       fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
+
+    if (gameMode == Training )
+       SetTrainingModeOff();
+
+    oldGameMode = gameMode;
+    if (gameMode != BeginningOfGame) {
+      Reset(FALSE, TRUE);
+    }
+
+    gameFileFP = f;
+    if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
+       fclose(lastLoadGameFP);
+    }
+
+    if (useList) {
+       lg = (ListGame *) ListElem(&gameList, gameNumber-1);
+       
+       if (lg) {
+           fseek(f, lg->offset, 0);
+           GameListHighlight(gameNumber);
+           gn = 1;
+       }
+       else {
+           DisplayError(_("Game number out of range"), 0);
+           return FALSE;
+       }
+    } else {
+       GameListDestroy();
+       if (fseek(f, 0, 0) == -1) {
+           if (f == lastLoadGameFP ?
+               gameNumber == lastLoadGameNumber + 1 :
+               gameNumber == 1) {
+               gn = 1;
+           } else {
+               DisplayError(_("Can't seek on game file"), 0);
+               return FALSE;
+           }
+       }
+    }
+    lastLoadGameFP = f;
+    lastLoadGameNumber = gameNumber;
+    strcpy(lastLoadGameTitle, title);
+    lastLoadGameUseList = useList;
+
+    yynewfile(f);
+
+    if (lg && lg->gameInfo.white && lg->gameInfo.black) {
+      snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
+               lg->gameInfo.black);
+           DisplayTitle(buf);
+    } else if (*title != NULLCHAR) {
+       if (gameNumber > 1) {
+           sprintf(buf, "%s %d", title, gameNumber);
+           DisplayTitle(buf);
+       } else {
+           DisplayTitle(title);
+       }
+    }
+
+    if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
+       gameMode = PlayFromGameFile;
+       ModeHighlight();
+    }
+
+    currentMove = forwardMostMove = backwardMostMove = 0;
+    CopyBoard(boards[0], initialPosition);
+    StopClocks();
+
+    /*
+     * Skip the first gn-1 games in the file.
+     * Also skip over anything that precedes an identifiable 
+     * start of game marker, to avoid being confused by 
+     * garbage at the start of the file.  Currently 
+     * recognized start of game markers are the move number "1",
+     * the pattern "gnuchess .* game", the pattern
+     * "^[#;%] [^ ]* game file", and a PGN tag block.  
+     * A game that starts with one of the latter two patterns
+     * will also have a move number 1, possibly
+     * following a position diagram.
+     * 5-4-02: Let's try being more lenient and allowing a game to
+     * start with an unnumbered move.  Does that break anything?
+     */
+    cm = lastLoadGameStart = (ChessMove) 0;
+    while (gn > 0) {
+       yyboardindex = forwardMostMove;
+       cm = (ChessMove) yylex();
+       switch (cm) {
+         case (ChessMove) 0:
+           if (cmailMsgLoaded) {
+               nCmailGames = CMAIL_MAX_GAMES - gn;
+           } else {
+               Reset(TRUE, TRUE);
+               DisplayError(_("Game not found in file"), 0);
+           }
+           return FALSE;
+
+         case GNUChessGame:
+         case XBoardGame:
+           gn--;
+           lastLoadGameStart = cm;
+           break;
+           
+         case MoveNumberOne:
+           switch (lastLoadGameStart) {
+             case GNUChessGame:
+             case XBoardGame:
+             case PGNTag:
+               break;
+             case MoveNumberOne:
+             case (ChessMove) 0:
+               gn--;           /* count this game */
+               lastLoadGameStart = cm;
+               break;
+             default:
+               /* impossible */
+               break;
+           }
+           break;
+
+         case PGNTag:
+           switch (lastLoadGameStart) {
+             case GNUChessGame:
+             case PGNTag:
+             case MoveNumberOne:
+             case (ChessMove) 0:
+               gn--;           /* count this game */
+               lastLoadGameStart = cm;
+               break;
+             case XBoardGame:
+               lastLoadGameStart = cm; /* game counted already */
+               break;
+             default:
+               /* impossible */
+               break;
+           }
+           if (gn > 0) {
+               do {
+                   yyboardindex = forwardMostMove;
+                   cm = (ChessMove) yylex();
+               } while (cm == PGNTag || cm == Comment);
+           }
+           break;
+
+         case WhiteWins:
+         case BlackWins:
+         case GameIsDrawn:
+           if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
+               if (   cmailResult[CMAIL_MAX_GAMES - gn - 1]
+                   != CMAIL_OLD_RESULT) {
+                   nCmailResults ++ ;
+                   cmailResult[  CMAIL_MAX_GAMES
+                               - gn - 1] = CMAIL_OLD_RESULT;
+               }
+           }
+           break;
+
+         case NormalMove:
+           /* Only a NormalMove can be at the start of a game
+            * without a position diagram. */
+           if (lastLoadGameStart == (ChessMove) 0) {
+             gn--;
+             lastLoadGameStart = MoveNumberOne;
+           }
+           break;
+
+         default:
+           break;
+       }
+    }
+    
+    if (appData.debugMode)
+      fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
+
+    if (cm == XBoardGame) {
+       /* Skip any header junk before position diagram and/or move 1 */
+       for (;;) {
+           yyboardindex = forwardMostMove;
+           cm = (ChessMove) yylex();
+
+           if (cm == (ChessMove) 0 ||
+               cm == GNUChessGame || cm == XBoardGame) {
+               /* Empty game; pretend end-of-file and handle later */
+               cm = (ChessMove) 0;
+               break;
+           }
+
+           if (cm == MoveNumberOne || cm == PositionDiagram ||
+               cm == PGNTag || cm == Comment)
+             break;
+       }
+    } else if (cm == GNUChessGame) {
+       if (gameInfo.event != NULL) {
+           free(gameInfo.event);
+       }
+       gameInfo.event = StrSave(yy_text);
+    }  
+
+    startedFromSetupPosition = FALSE;
+    while (cm == PGNTag) {
+       if (appData.debugMode) 
+         fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
+       err = ParsePGNTag(yy_text, &gameInfo);
+       if (!err) numPGNTags++;
+
+        /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
+        if(gameInfo.variant != oldVariant) {
+            startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
+           InitPosition(TRUE);
+            oldVariant = gameInfo.variant;
+           if (appData.debugMode) 
+             fprintf(debugFP, "New variant %d\n", (int) oldVariant);
+        }
+
+
+       if (gameInfo.fen != NULL) {
+         Board initial_position;
+         startedFromSetupPosition = TRUE;
+         if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
+           Reset(TRUE, TRUE);
+           DisplayError(_("Bad FEN position in file"), 0);
+           return FALSE;
+         }
+         CopyBoard(boards[0], initial_position);
+         if (blackPlaysFirst) {
+           currentMove = forwardMostMove = backwardMostMove = 1;
+           CopyBoard(boards[1], initial_position);
+           strcpy(moveList[0], "");
+           strcpy(parseList[0], "");
+           timeRemaining[0][1] = whiteTimeRemaining;
+           timeRemaining[1][1] = blackTimeRemaining;
+           if (commentList[0] != NULL) {
+             commentList[1] = commentList[0];
+             commentList[0] = NULL;
+           }
+         } else {
+           currentMove = forwardMostMove = backwardMostMove = 0;
+         }
+          /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
+          {   int i;
+              initialRulePlies = FENrulePlies;
+              epStatus[forwardMostMove] = FENepStatus;
+              for( i=0; i< nrCastlingRights; i++ )
+                  initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
+          }
+         yyboardindex = forwardMostMove;
+         free(gameInfo.fen);
+         gameInfo.fen = NULL;
+       }
+
+       yyboardindex = forwardMostMove;
+       cm = (ChessMove) yylex();
+
+       /* Handle comments interspersed among the tags */
+       while (cm == Comment) {
+           char *p;
+           if (appData.debugMode) 
+             fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
+           p = yy_text;
+           if (*p == '{' || *p == '[' || *p == '(') {
+               p[strlen(p) - 1] = NULLCHAR;
+               p++;
+           }
+           while (*p == '\n') p++;
+           AppendComment(currentMove, p);
+           yyboardindex = forwardMostMove;
+           cm = (ChessMove) yylex();
+       }
+    }
+
+    /* don't rely on existence of Event tag since if game was
+     * pasted from clipboard the Event tag may not exist
+     */
+    if (numPGNTags > 0){
+        char *tags;
+       if (gameInfo.variant == VariantNormal) {
+         gameInfo.variant = StringToVariant(gameInfo.event);
+       }
+       if (!matchMode) {
+          if( appData.autoDisplayTags ) {
+           tags = PGNTags(&gameInfo);
+           TagsPopUp(tags, CmailMsg());
+           free(tags);
+          }
+       }
+    } else {
+       /* Make something up, but don't display it now */
+       SetGameInfo();
+       TagsPopDown();
+    }
+
+    if (cm == PositionDiagram) {
+       int i, j;
+       char *p;
+       Board initial_position;
+
+       if (appData.debugMode)
+         fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
+
+       if (!startedFromSetupPosition) {
+           p = yy_text;
+            for (i = BOARD_HEIGHT - 1; i >= 0; i--)
+              for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
+               switch (*p) {
+                 case '[':
+                 case '-':
+                 case ' ':
+                 case '\t':
+                 case '\n':
+                 case '\r':
+                   break;
+                 default:
+                   initial_position[i][j++] = CharToPiece(*p);
+                   break;
+               }
+           while (*p == ' ' || *p == '\t' ||
+                  *p == '\n' || *p == '\r') p++;
+       
+           if (strncmp(p, "black", strlen("black"))==0)
+             blackPlaysFirst = TRUE;
+           else
+             blackPlaysFirst = FALSE;
+           startedFromSetupPosition = TRUE;
+       
+           CopyBoard(boards[0], initial_position);
+           if (blackPlaysFirst) {
+               currentMove = forwardMostMove = backwardMostMove = 1;
+               CopyBoard(boards[1], initial_position);
+               strcpy(moveList[0], "");
+               strcpy(parseList[0], "");
+               timeRemaining[0][1] = whiteTimeRemaining;
+               timeRemaining[1][1] = blackTimeRemaining;
+               if (commentList[0] != NULL) {
+                   commentList[1] = commentList[0];
+                   commentList[0] = NULL;
+               }
+           } else {
+               currentMove = forwardMostMove = backwardMostMove = 0;
+           }
+       }
+       yyboardindex = forwardMostMove;
+       cm = (ChessMove) yylex();
+    }
+
+    if (first.pr == NoProc) {
+       StartChessProgram(&first);
+    }
+    InitChessProgram(&first, FALSE);
+    SendToProgram("force\n", &first);
+    if (startedFromSetupPosition) {
+       SendBoard(&first, forwardMostMove);
+    if (appData.debugMode) {
+        fprintf(debugFP, "Load Game\n");
+    }
+       DisplayBothClocks();
+    }      
+
+    /* [HGM] server: flag to write setup moves in broadcast file as one */
+    loadFlag = appData.suppressLoadMoves;
+
+    while (cm == Comment) {
+       char *p;
+       if (appData.debugMode) 
+         fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
+       p = yy_text;
+       if (*p == '{' || *p == '[' || *p == '(') {
+           p[strlen(p) - 1] = NULLCHAR;
+           p++;
+       }
+       while (*p == '\n') p++;
+       AppendComment(currentMove, p);
+       yyboardindex = forwardMostMove;
+       cm = (ChessMove) yylex();
+    }
+
+    if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
+       cm == WhiteWins || cm == BlackWins ||
+       cm == GameIsDrawn || cm == GameUnfinished) {
+       DisplayMessage("", _("No moves in game"));
+       if (cmailMsgLoaded) {
+           if (appData.debugMode)
+             fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
+           ClearHighlights();
+           flipView = FALSE;
+       }
+       DrawPosition(FALSE, boards[currentMove]);
+       DisplayBothClocks();
+       gameMode = EditGame;
+       ModeHighlight();
+       gameFileFP = NULL;
+       cmailOldMove = 0;
+       return TRUE;
+    }
+
+    // [HGM] PV info: routine tests if comment empty
+    if (!matchMode && (pausing || appData.timeDelay != 0)) {
+       DisplayComment(currentMove - 1, commentList[currentMove]);
+    }
+    if (!matchMode && appData.timeDelay != 0) 
+      DrawPosition(FALSE, boards[currentMove]);
+
+    if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
+      programStats.ok_to_send = 1;
+    }
+
+    /* if the first token after the PGN tags is a move
+     * and not move number 1, retrieve it from the parser 
+     */
+    if (cm != MoveNumberOne)
+       LoadGameOneMove(cm);
+
+    /* load the remaining moves from the file */
+    while (LoadGameOneMove((ChessMove)0)) {
+      timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
+      timeRemaining[1][forwardMostMove] = blackTimeRemaining;
+    }
+
+    /* rewind to the start of the game */
+    currentMove = backwardMostMove;
+
+    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
+
+    if (oldGameMode == AnalyzeFile ||
+       oldGameMode == AnalyzeMode) {
+      AnalyzeFileEvent();
+    }
+
+    if (matchMode || appData.timeDelay == 0) {
+      ToEndEvent();
+      gameMode = EditGame;
+      ModeHighlight();
+    } else if (appData.timeDelay > 0) {
+      AutoPlayGameLoop();
+    }
+
+    if (appData.debugMode) 
+       fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
+
+    loadFlag = 0; /* [HGM] true game starts */
+    return TRUE;
+}
+
+/* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
+int
+ReloadPosition(offset)
+     int offset;
+{
+    int positionNumber = lastLoadPositionNumber + offset;
+    if (lastLoadPositionFP == NULL) {
+       DisplayError(_("No position has been loaded yet"), 0);
+       return FALSE;
+    }
+    if (positionNumber <= 0) {
+       DisplayError(_("Can't back up any further"), 0);
+       return FALSE;
+    }
+    return LoadPosition(lastLoadPositionFP, positionNumber,
+                       lastLoadPositionTitle);
+}
+
+/* Load the nth position from the given file */
+int
+LoadPositionFromFile(filename, n, title)
+     char *filename;
+     int n;
+     char *title;
+{
+    FILE *f;
+    char buf[MSG_SIZ];
+
+    if (strcmp(filename, "-") == 0) {
+       return LoadPosition(stdin, n, "stdin");
+    } else {
+       f = fopen(filename, "rb");
+       if (f == NULL) {
+            snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
+           DisplayError(buf, errno);
+           return FALSE;
+       } else {
+           return LoadPosition(f, n, title);
+       }
+    }
+}
+
+/* Load the nth position from the given open file, and close it */
+int
+LoadPosition(f, positionNumber, title)
+     FILE *f;
+     int positionNumber;
+     char *title;
+{
+    char *p, line[MSG_SIZ];
+    Board initial_position;
+    int i, j, fenMode, pn;
+    
+    if (gameMode == Training )
+       SetTrainingModeOff();
+
+    if (gameMode != BeginningOfGame) {
+       Reset(FALSE, TRUE);
+    }
+    if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
+       fclose(lastLoadPositionFP);
+    }
+    if (positionNumber == 0) positionNumber = 1;
+    lastLoadPositionFP = f;
+    lastLoadPositionNumber = positionNumber;
+    strcpy(lastLoadPositionTitle, title);
+    if (first.pr == NoProc) {
+      StartChessProgram(&first);
+      InitChessProgram(&first, FALSE);
+    }    
+    pn = positionNumber;
+    if (positionNumber < 0) {
+       /* Negative position number means to seek to that byte offset */
+       if (fseek(f, -positionNumber, 0) == -1) {
+           DisplayError(_("Can't seek on position file"), 0);
+           return FALSE;
+       };
+       pn = 1;
+    } else {
+       if (fseek(f, 0, 0) == -1) {
+           if (f == lastLoadPositionFP ?
+               positionNumber == lastLoadPositionNumber + 1 :
+               positionNumber == 1) {
+               pn = 1;
+           } else {
+               DisplayError(_("Can't seek on position file"), 0);
+               return FALSE;
+           }
+       }
+    }
+    /* See if this file is FEN or old-style xboard */
+    if (fgets(line, MSG_SIZ, f) == NULL) {
+       DisplayError(_("Position not found in file"), 0);
+       return FALSE;
+    }
+#if 0
+    switch (line[0]) {
+      case '#':  case 'x':
+      default:
+       fenMode = FALSE;
+       break;
+      case 'p':  case 'n':  case 'b':  case 'r':  case 'q':  case 'k':
+      case 'P':  case 'N':  case 'B':  case 'R':  case 'Q':  case 'K':
+      case '1':  case '2':  case '3':  case '4':  case '5':  case '6':
+      case '7':  case '8':  case '9':
+      case 'H':  case 'A':  case 'M':  case 'h':  case 'a':  case 'm':
+      case 'E':  case 'F':  case 'G':  case 'e':  case 'f':  case 'g':
+      case 'C':  case 'W':             case 'c':  case 'w': 
+       fenMode = TRUE;
+       break;
+    }
+#else
+    // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
+    fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
+#endif
+
+    if (pn >= 2) {
+       if (fenMode || line[0] == '#') pn--;
+       while (pn > 0) {
+           /* skip positions before number pn */
+           if (fgets(line, MSG_SIZ, f) == NULL) {
+               Reset(TRUE, TRUE);
+               DisplayError(_("Position not found in file"), 0);
+               return FALSE;
+           }
+           if (fenMode || line[0] == '#') pn--;
+       }
+    }
+
+    if (fenMode) {
+       if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
+           DisplayError(_("Bad FEN position in file"), 0);
+           return FALSE;
+       }
+    } else {
+       (void) fgets(line, MSG_SIZ, f);
+       (void) fgets(line, MSG_SIZ, f);
+    
+        for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
+           (void) fgets(line, MSG_SIZ, f);
+            for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
+               if (*p == ' ')
+                 continue;
+               initial_position[i][j++] = CharToPiece(*p);
+           }
+       }
+    
+       blackPlaysFirst = FALSE;
+       if (!feof(f)) {
+           (void) fgets(line, MSG_SIZ, f);
+           if (strncmp(line, "black", strlen("black"))==0)
+             blackPlaysFirst = TRUE;
+       }
+    }
+    startedFromSetupPosition = TRUE;
+    
+    SendToProgram("force\n", &first);
+    CopyBoard(boards[0], initial_position);
+    if (blackPlaysFirst) {
+       currentMove = forwardMostMove = backwardMostMove = 1;
+       strcpy(moveList[0], "");
+       strcpy(parseList[0], "");
+       CopyBoard(boards[1], initial_position);
+       DisplayMessage("", _("Black to play"));
+    } else {
+       currentMove = forwardMostMove = backwardMostMove = 0;
+       DisplayMessage("", _("White to play"));
+    }
+          /* [HGM] copy FEN attributes as well */
+          {   int i;
+              initialRulePlies = FENrulePlies;
+              epStatus[forwardMostMove] = FENepStatus;
+              for( i=0; i< nrCastlingRights; i++ )
+                  castlingRights[forwardMostMove][i] = FENcastlingRights[i];
+          }
+    SendBoard(&first, forwardMostMove);
+    if (appData.debugMode) {
+int i, j;
+  for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
+  for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
+        fprintf(debugFP, "Load Position\n");
+    }
+
+    if (positionNumber > 1) {
+       sprintf(line, "%s %d", title, positionNumber);
+       DisplayTitle(line);
+    } else {
+       DisplayTitle(title);
+    }
+    gameMode = EditGame;
+    ModeHighlight();
+    ResetClocks();
+    timeRemaining[0][1] = whiteTimeRemaining;
+    timeRemaining[1][1] = blackTimeRemaining;
+    DrawPosition(FALSE, boards[currentMove]);
+   
+    return TRUE;
+}
+
+
+void
+CopyPlayerNameIntoFileName(dest, src)
+     char **dest, *src;
+{
+    while (*src != NULLCHAR && *src != ',') {
+       if (*src == ' ') {
+           *(*dest)++ = '_';
+           src++;
+       } else {
+           *(*dest)++ = *src++;
+       }
+    }
+}
+
+char *DefaultFileName(ext)
+     char *ext;
+{
+    static char def[MSG_SIZ];
+    char *p;
+
+    if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
+       p = def;
+       CopyPlayerNameIntoFileName(&p, gameInfo.white);
+       *p++ = '-';
+       CopyPlayerNameIntoFileName(&p, gameInfo.black);
+       *p++ = '.';
+       strcpy(p, ext);
+    } else {
+       def[0] = NULLCHAR;
+    }
+    return def;
+}
+
+/* Save the current game to the given file */
+int
+SaveGameToFile(filename, append)
+     char *filename;
+     int append;
+{
+    FILE *f;
+    char buf[MSG_SIZ];
+
+    if (strcmp(filename, "-") == 0) {
+       return SaveGame(stdout, 0, NULL);
+    } else {
+       f = fopen(filename, append ? "a" : "w");
+       if (f == NULL) {
+           snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
+           DisplayError(buf, errno);
+           return FALSE;
+       } else {
+           return SaveGame(f, 0, NULL);
+       }
+    }
+}
+
+char *
+SavePart(str)
+     char *str;
+{
+    static char buf[MSG_SIZ];
+    char *p;
+    
+    p = strchr(str, ' ');
+    if (p == NULL) return str;
+    strncpy(buf, str, p - str);
+    buf[p - str] = NULLCHAR;
+    return buf;
+}
+
+#define PGN_MAX_LINE 75
+
+#define PGN_SIDE_WHITE  0
+#define PGN_SIDE_BLACK  1
+
+/* [AS] */
+static int FindFirstMoveOutOfBook( int side )
+{
+    int result = -1;
+
+    if( backwardMostMove == 0 && ! startedFromSetupPosition) {
+        int index = backwardMostMove;
+        int has_book_hit = 0;
+
+        if( (index % 2) != side ) {
+            index++;
+        }
+
+        while( index < forwardMostMove ) {
+            /* Check to see if engine is in book */
+            int depth = pvInfoList[index].depth;
+            int score = pvInfoList[index].score;
+            int in_book = 0;
+
+            if( depth <= 2 ) {
+                in_book = 1;
+            }
+            else if( score == 0 && depth == 63 ) {
+                in_book = 1; /* Zappa */
+            }
+            else if( score == 2 && depth == 99 ) {
+                in_book = 1; /* Abrok */
+            }
+
+            has_book_hit += in_book;
+
+            if( ! in_book ) {
+                result = index;
+
+                break;
+            }
+
+            index += 2;
+        }
+    }
+
+    return result;
+}
+
+/* [AS] */
+void GetOutOfBookInfo( char * buf )
+{
+    int oob[2];
+    int i;
+    int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
+
+    oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
+    oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
+
+    *buf = '\0';
+
+    if( oob[0] >= 0 || oob[1] >= 0 ) {
+        for( i=0; i<2; i++ ) {
+            int idx = oob[i];
+
+            if( idx >= 0 ) {
+                if( i > 0 && oob[0] >= 0 ) {
+                    strcat( buf, "   " );
+                }
+
+                sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
+                sprintf( buf+strlen(buf), "%s%.2f", 
+                    pvInfoList[idx].score >= 0 ? "+" : "",
+                    pvInfoList[idx].score / 100.0 );
+            }
+        }
+    }
+}
+
+/* Save game in PGN style and close the file */
+int
+SaveGamePGN(f)
+     FILE *f;
+{
+    int i, offset, linelen, newblock;
+    time_t tm;
+//    char *movetext;
+    char numtext[32];
+    int movelen, numlen, blank;
+    char move_buffer[100]; /* [AS] Buffer for move+PV info */
+
+    offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
+    
+    tm = time((time_t *) NULL);
+    
+    PrintPGNTags(f, &gameInfo);
+    
+    if (backwardMostMove > 0 || startedFromSetupPosition) {
+        char *fen = PositionToFEN(backwardMostMove, NULL);
+        fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
+       fprintf(f, "\n{--------------\n");
+       PrintPosition(f, backwardMostMove);
+       fprintf(f, "--------------}\n");
+        free(fen);
+    }
+    else {
+        /* [AS] Out of book annotation */
+        if( appData.saveOutOfBookInfo ) {
+            char buf[64];
+
+            GetOutOfBookInfo( buf );
+
+            if( buf[0] != '\0' ) {
+                fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf ); 
+            }
+        }
+
+       fprintf(f, "\n");
+    }
+
+    i = backwardMostMove;
+    linelen = 0;
+    newblock = TRUE;
+
+    while (i < forwardMostMove) {
+       /* Print comments preceding this move */
+       if (commentList[i] != NULL) {
+           if (linelen > 0) fprintf(f, "\n");
+           fprintf(f, "{\n%s}\n", commentList[i]);
+           linelen = 0;
+           newblock = TRUE;
+       }
+
+       /* Format move number */
+       if ((i % 2) == 0) {
+           sprintf(numtext, "%d.", (i - offset)/2 + 1);
+       } else {
+           if (newblock) {
+               sprintf(numtext, "%d...", (i - offset)/2 + 1);
+           } else {
+               numtext[0] = NULLCHAR;
+           }
+       }
+       numlen = strlen(numtext);
+       newblock = FALSE;
+
+       /* Print move number */
+       blank = linelen > 0 && numlen > 0;
+       if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
+           fprintf(f, "\n");
+           linelen = 0;
+           blank = 0;
+       }
+       if (blank) {
+           fprintf(f, " ");
+           linelen++;
+       }
+       fprintf(f, numtext);
+       linelen += numlen;
+
+       /* Get move */
+       strcpy(move_buffer, parseList[i]); // [HGM] pgn: print move via buffer, so it can be edited
+       movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
+        if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
+               int p = movelen - 1;
+               if(move_buffer[p] == ' ') p--;
+               if(move_buffer[p] == ')') { // [HGM] pgn: strip off ICS time if we have extended info
+                   while(p && move_buffer[--p] != '(');
+                   if(p && move_buffer[p-1] == ' ') move_buffer[movelen=p-1] = 0;
+               }
+        }
+
+       /* Print move */
+       blank = linelen > 0 && movelen > 0;
+       if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
+           fprintf(f, "\n");
+           linelen = 0;
+           blank = 0;
+       }
+       if (blank) {
+           fprintf(f, " ");
+           linelen++;
+       }
+       fprintf(f, move_buffer);
+       linelen += movelen;
+
+        /* [AS] Add PV info if present */
+        if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
+            /* [HGM] add time */
+            char buf[MSG_SIZ]; int seconds = 0;
+
+#if 1
+            if(i >= backwardMostMove) {
+               if(WhiteOnMove(i))
+                       seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
+                                 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
+               else
+                       seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
+                                  + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
+            }
+            seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
+#else
+            seconds = (pvInfoList[i].time + 5)/10; // [HGM] PVtime: use engine time
+#endif
+
+            if( seconds <= 0) buf[0] = 0; else
+            if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
+               seconds = (seconds + 4)/10; // round to full seconds
+               if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
+                                  sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
+           }
+
+            sprintf( move_buffer, "{%s%.2f/%d%s}", 
+                pvInfoList[i].score >= 0 ? "+" : "",
+                pvInfoList[i].score / 100.0,
+                pvInfoList[i].depth,
+               buf );
+
+           movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
+
+           /* Print score/depth */
+           blank = linelen > 0 && movelen > 0;
+           if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
+               fprintf(f, "\n");
+               linelen = 0;
+               blank = 0;
+           }
+           if (blank) {
+               fprintf(f, " ");
+               linelen++;
+           }
+           fprintf(f, move_buffer);
+           linelen += movelen;
+        }
+
+       i++;
+    }
+    
+    /* Start a new line */
+    if (linelen > 0) fprintf(f, "\n");
+
+    /* Print comments after last move */
+    if (commentList[i] != NULL) {
+       fprintf(f, "{\n%s}\n", commentList[i]);
+    }
+
+    /* Print result */
+    if (gameInfo.resultDetails != NULL &&
+       gameInfo.resultDetails[0] != NULLCHAR) {
+       fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
+               PGNResult(gameInfo.result));
+    } else {
+       fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
+    }
+
+    fclose(f);
+    return TRUE;
+}
+
+/* Save game in old style and close the file */
+int
+SaveGameOldStyle(f)
+     FILE *f;
+{
+    int i, offset;
+    time_t tm;
+    
+    tm = time((time_t *) NULL);
+    
+    fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
+    PrintOpponents(f);
+    
+    if (backwardMostMove > 0 || startedFromSetupPosition) {
+       fprintf(f, "\n[--------------\n");
+       PrintPosition(f, backwardMostMove);
+       fprintf(f, "--------------]\n");
+    } else {
+       fprintf(f, "\n");
+    }
+
+    i = backwardMostMove;
+    offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
+
+    while (i < forwardMostMove) {
+       if (commentList[i] != NULL) {
+           fprintf(f, "[%s]\n", commentList[i]);
+       }
+
+       if ((i % 2) == 1) {
+           fprintf(f, "%d. ...  %s\n", (i - offset)/2 + 1, parseList[i]);
+           i++;
+       } else {
+           fprintf(f, "%d. %s  ", (i - offset)/2 + 1, parseList[i]);
+           i++;
+           if (commentList[i] != NULL) {
+               fprintf(f, "\n");
+               continue;
+           }
+           if (i >= forwardMostMove) {
+               fprintf(f, "\n");
+               break;
+           }
+           fprintf(f, "%s\n", parseList[i]);
+           i++;
+       }
+    }
+    
+    if (commentList[i] != NULL) {
+       fprintf(f, "[%s]\n", commentList[i]);
+    }
+
+    /* This isn't really the old style, but it's close enough */
+    if (gameInfo.resultDetails != NULL &&
+       gameInfo.resultDetails[0] != NULLCHAR) {
+       fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
+               gameInfo.resultDetails);
+    } else {
+       fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
+    }
+
+    fclose(f);
+    return TRUE;
+}
+
+/* Save the current game to open file f and close the file */
+int
+SaveGame(f, dummy, dummy2)
+     FILE *f;
+     int dummy;
+     char *dummy2;
+{
+    if (gameMode == EditPosition) EditPositionDone();
+    if (appData.oldSaveStyle)
+      return SaveGameOldStyle(f);
+    else
+      return SaveGamePGN(f);
+}
+
+/* Save the current position to the given file */
+int
+SavePositionToFile(filename)
+     char *filename;
+{
+    FILE *f;
+    char buf[MSG_SIZ];
+
+    if (strcmp(filename, "-") == 0) {
+       return SavePosition(stdout, 0, NULL);
+    } else {
+       f = fopen(filename, "a");
+       if (f == NULL) {
+           snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
+           DisplayError(buf, errno);
+           return FALSE;
+       } else {
+           SavePosition(f, 0, NULL);
+           return TRUE;
+       }
+    }
+}
+
+/* Save the current position to the given open file and close the file */
+int
+SavePosition(f, dummy, dummy2)
+     FILE *f;
+     int dummy;
+     char *dummy2;
+{
+    time_t tm;
+    char *fen;
+    
+    if (appData.oldSaveStyle) {
+       tm = time((time_t *) NULL);
+    
+       fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
+       PrintOpponents(f);
+       fprintf(f, "[--------------\n");
+       PrintPosition(f, currentMove);
+       fprintf(f, "--------------]\n");
+    } else {
+       fen = PositionToFEN(currentMove, NULL);
+       fprintf(f, "%s\n", fen);
+       free(fen);
+    }
+    fclose(f);
+    return TRUE;
+}
+
+void
+ReloadCmailMsgEvent(unregister)
+     int unregister;
+{
+#if !WIN32
+    static char *inFilename = NULL;
+    static char *outFilename;
+    int i;
+    struct stat inbuf, outbuf;
+    int status;
+    
+    /* Any registered moves are unregistered if unregister is set, */
+    /* i.e. invoked by the signal handler */
+    if (unregister) {
+       for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
+           cmailMoveRegistered[i] = FALSE;
+           if (cmailCommentList[i] != NULL) {
+               free(cmailCommentList[i]);
+               cmailCommentList[i] = NULL;
+           }
+       }
+       nCmailMovesRegistered = 0;
+    }
+
+    for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
+       cmailResult[i] = CMAIL_NOT_RESULT;
+    }
+    nCmailResults = 0;
+
+    if (inFilename == NULL) {
+       /* Because the filenames are static they only get malloced once  */
+       /* and they never get freed                                      */
+       inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
+       sprintf(inFilename, "%s.game.in", appData.cmailGameName);
+
+       outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
+       sprintf(outFilename, "%s.out", appData.cmailGameName);
+    }
+    
+    status = stat(outFilename, &outbuf);
+    if (status < 0) {
+       cmailMailedMove = FALSE;
+    } else {
+       status = stat(inFilename, &inbuf);
+       cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
+    }
+    
+    /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
+       counts the games, notes how each one terminated, etc.
+       
+       It would be nice to remove this kludge and instead gather all
+       the information while building the game list.  (And to keep it
+       in the game list nodes instead of having a bunch of fixed-size
+       parallel arrays.)  Note this will require getting each game's
+       termination from the PGN tags, as the game list builder does
+       not process the game moves.  --mann
+       */
+    cmailMsgLoaded = TRUE;
+    LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
+    
+    /* Load first game in the file or popup game menu */
+    LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
+
+#endif /* !WIN32 */
+    return;
+}
+
+int
+RegisterMove()
+{
+    FILE *f;
+    char string[MSG_SIZ];
+
+    if (   cmailMailedMove
+       || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
+       return TRUE;            /* Allow free viewing  */
+    }
+
+    /* Unregister move to ensure that we don't leave RegisterMove        */
+    /* with the move registered when the conditions for registering no   */
+    /* longer hold                                                       */
+    if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
+       cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
+       nCmailMovesRegistered --;
+
+       if (cmailCommentList[lastLoadGameNumber - 1] != NULL) 
+         {
+             free(cmailCommentList[lastLoadGameNumber - 1]);
+             cmailCommentList[lastLoadGameNumber - 1] = NULL;
+         }
+    }
+
+    if (cmailOldMove == -1) {
+       DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
+       return FALSE;
+    }
+
+    if (currentMove > cmailOldMove + 1) {
+       DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
+       return FALSE;
+    }
+
+    if (currentMove < cmailOldMove) {
+       DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
+       return FALSE;
+    }
+
+    if (forwardMostMove > currentMove) {
+       /* Silently truncate extra moves */
+       TruncateGame();
+    }
+
+    if (   (currentMove == cmailOldMove + 1)
+       || (   (currentMove == cmailOldMove)
+           && (   (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
+               || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
+       if (gameInfo.result != GameUnfinished) {
+           cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
+       }
+
+       if (commentList[currentMove] != NULL) {
+           cmailCommentList[lastLoadGameNumber - 1]
+             = StrSave(commentList[currentMove]);
+       }
+       strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
+
+       if (appData.debugMode)
+         fprintf(debugFP, "Saving %s for game %d\n",
+                 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
+
+       sprintf(string,
+               "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
+       
+       f = fopen(string, "w");
+       if (appData.oldSaveStyle) {
+           SaveGameOldStyle(f); /* also closes the file */
+           
+           sprintf(string, "%s.pos.out", appData.cmailGameName);
+           f = fopen(string, "w");
+           SavePosition(f, 0, NULL); /* also closes the file */
+       } else {
+           fprintf(f, "{--------------\n");
+           PrintPosition(f, currentMove);
+           fprintf(f, "--------------}\n\n");
+           
+           SaveGame(f, 0, NULL); /* also closes the file*/
+       }
+       
+       cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
+       nCmailMovesRegistered ++;
+    } else if (nCmailGames == 1) {
+       DisplayError(_("You have not made a move yet"), 0);
+       return FALSE;
+    }
+
+    return TRUE;
+}
+
+void
+MailMoveEvent()
+{
+#if !WIN32
+    static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
+    FILE *commandOutput;
+    char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
+    int nBytes = 0;            /*  Suppress warnings on uninitialized variables    */
+    int nBuffers;
+    int i;
+    int archived;
+    char *arcDir;
+
+    if (! cmailMsgLoaded) {
+       DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
+       return;
+    }
+
+    if (nCmailGames == nCmailResults) {
+       DisplayError(_("No unfinished games"), 0);
+       return;
+    }
+
+#if CMAIL_PROHIBIT_REMAIL
+    if (cmailMailedMove) {
+       sprintf(msg, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
+       DisplayError(msg, 0);
+       return;
+    }
+#endif
+
+    if (! (cmailMailedMove || RegisterMove())) return;
+    
+    if (   cmailMailedMove
+       || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
+       sprintf(string, partCommandString,
+               appData.debugMode ? " -v" : "", appData.cmailGameName);
+       commandOutput = popen(string, "r");
+
+       if (commandOutput == NULL) {
+           DisplayError(_("Failed to invoke cmail"), 0);
+       } else {
+           for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
+               nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
+           }
+           if (nBuffers > 1) {
+               (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
+               (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
+               nBytes = MSG_SIZ - 1;
+           } else {
+               (void) memcpy(msg, buffer, nBytes);
+           }
+           *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
+
+           if(StrStr(msg, "Mailed cmail message to ") != NULL) {
+               cmailMailedMove = TRUE; /* Prevent >1 moves    */
+
+               archived = TRUE;
+               for (i = 0; i < nCmailGames; i ++) {
+                   if (cmailResult[i] == CMAIL_NOT_RESULT) {
+                       archived = FALSE;
+                   }
+               }
+               if (   archived
+                   && (   (arcDir = (char *) getenv("CMAIL_ARCDIR"))
+                       != NULL)) {
+                   sprintf(buffer, "%s/%s.%s.archive",
+                           arcDir,
+                           appData.cmailGameName,
+                           gameInfo.date);
+                   LoadGameFromFile(buffer, 1, buffer, FALSE);
+                   cmailMsgLoaded = FALSE;
+               }
+           }
+
+           DisplayInformation(msg);
+           pclose(commandOutput);
+       }
+    } else {
+       if ((*cmailMsg) != '\0') {
+           DisplayInformation(cmailMsg);
+       }
+    }
+
+    return;
+#endif /* !WIN32 */
+}
+
+char *
+CmailMsg()
+{
+#if WIN32
+    return NULL;
+#else
+    int  prependComma = 0;
+    char number[5];
+    char string[MSG_SIZ];      /* Space for game-list */
+    int  i;
+    
+    if (!cmailMsgLoaded) return "";
+
+    if (cmailMailedMove) {
+       sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
+    } else {
+       /* Create a list of games left */
+       sprintf(string, "[");
+       for (i = 0; i < nCmailGames; i ++) {
+           if (! (   cmailMoveRegistered[i]
+                  || (cmailResult[i] == CMAIL_OLD_RESULT))) {
+               if (prependComma) {
+                   sprintf(number, ",%d", i + 1);
+               } else {
+                   sprintf(number, "%d", i + 1);
+                   prependComma = 1;
+               }
+               
+               strcat(string, number);
+           }
+       }
+       strcat(string, "]");
+
+       if (nCmailMovesRegistered + nCmailResults == 0) {
+           switch (nCmailGames) {
+             case 1:
+               sprintf(cmailMsg,
+                       _("Still need to make move for game\n"));
+               break;
+               
+             case 2:
+               sprintf(cmailMsg,
+                       _("Still need to make moves for both games\n"));
+               break;
+               
+             default:
+               sprintf(cmailMsg,
+                       _("Still need to make moves for all %d games\n"),
+                       nCmailGames);
+               break;
+           }
+       } else {
+           switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
+             case 1:
+               sprintf(cmailMsg,
+                       _("Still need to make a move for game %s\n"),
+                       string);
+               break;
+               
+             case 0:
+               if (nCmailResults == nCmailGames) {
+                   sprintf(cmailMsg, _("No unfinished games\n"));
+               } else {
+                   sprintf(cmailMsg, _("Ready to send mail\n"));
+               }
+               break;
+               
+             default:
+               sprintf(cmailMsg,
+                       _("Still need to make moves for games %s\n"),
+                       string);
+           }
+       }
+    }
+    return cmailMsg;
+#endif /* WIN32 */
+}
+
+void
+ResetGameEvent()
+{
+    if (gameMode == Training)
+      SetTrainingModeOff();
+
+    Reset(TRUE, TRUE);
+    cmailMsgLoaded = FALSE;
+    if (appData.icsActive) {
+      SendToICS(ics_prefix);
+      SendToICS("refresh\n");
+    }
+}
+
+void
+ExitEvent(status)
+     int status;
+{
+    exiting++;
+    if (exiting > 2) {
+      /* Give up on clean exit */
+      exit(status);
+    }
+    if (exiting > 1) {
+      /* Keep trying for clean exit */
+      return;
+    }
+
+    if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
+
+    if (telnetISR != NULL) {
+      RemoveInputSource(telnetISR);
+    }
+    if (icsPR != NoProc) {
+      DestroyChildProcess(icsPR, TRUE);
+    }
+#if 0
+    /* Save game if resource set and not already saved by GameEnds() */
+    if ((gameInfo.resultDetails == NULL || errorExitFlag )
+                             && forwardMostMove > 0) {
+      if (*appData.saveGameFile != NULLCHAR) {
+       SaveGameToFile(appData.saveGameFile, TRUE);
+      } else if (appData.autoSaveGames) {
+       AutoSaveGame();
+      }
+      if (*appData.savePositionFile != NULLCHAR) {
+       SavePositionToFile(appData.savePositionFile);
+      }
+    }
+    GameEnds((ChessMove) 0, NULL, GE_PLAYER);
+#else
+    /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
+    GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
+#endif
+    /* [HGM] crash: the above GameEnds() is a dud if another one was running */
+    /* make sure this other one finishes before killing it!                  */
+    if(endingGame) { int count = 0;
+        if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
+        while(endingGame && count++ < 10) DoSleep(1);
+        if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
+    }
+
+    /* Kill off chess programs */
+    if (first.pr != NoProc) {
+       ExitAnalyzeMode();
+        
+        DoSleep( appData.delayBeforeQuit );
+       SendToProgram("quit\n", &first);
+        DoSleep( appData.delayAfterQuit );
+       DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
+    }
+    if (second.pr != NoProc) {
+        DoSleep( appData.delayBeforeQuit );
+       SendToProgram("quit\n", &second);
+        DoSleep( appData.delayAfterQuit );
+       DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
+    }
+    if (first.isr != NULL) {
+       RemoveInputSource(first.isr);
+    }
+    if (second.isr != NULL) {
+       RemoveInputSource(second.isr);
+    }
+
+    ShutDownFrontEnd();
+    exit(status);
+}
+
+void
+PauseEvent()
+{
+    if (appData.debugMode)
+       fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
+    if (pausing) {
+       pausing = FALSE;
+       ModeHighlight();
+       if (gameMode == MachinePlaysWhite ||
+           gameMode == MachinePlaysBlack) {
+           StartClocks();
+       } else {
+           DisplayBothClocks();
+       }
+       if (gameMode == PlayFromGameFile) {
+           if (appData.timeDelay >= 0) 
+               AutoPlayGameLoop();
+       } else if (gameMode == IcsExamining && pauseExamInvalid) {
+           Reset(FALSE, TRUE);
+           SendToICS(ics_prefix);
+           SendToICS("refresh\n");
+       } else if (currentMove < forwardMostMove) {
+           ForwardInner(forwardMostMove);
+       }
+       pauseExamInvalid = FALSE;
+    } else {
+       switch (gameMode) {
+         default:
+           return;
+         case IcsExamining:
+           pauseExamForwardMostMove = forwardMostMove;
+           pauseExamInvalid = FALSE;
+           /* fall through */
+         case IcsObserving:
+         case IcsPlayingWhite:
+         case IcsPlayingBlack:
+           pausing = TRUE;
+           ModeHighlight();
+           return;
+         case PlayFromGameFile:
+           (void) StopLoadGameTimer();
+           pausing = TRUE;
+           ModeHighlight();
+           break;
+         case BeginningOfGame:
+           if (appData.icsActive) return;
+           /* else fall through */
+         case MachinePlaysWhite:
+         case MachinePlaysBlack:
+         case TwoMachinesPlay:
+           if (forwardMostMove == 0)
+             return;           /* don't pause if no one has moved */
+           if ((gameMode == MachinePlaysWhite &&
+                !WhiteOnMove(forwardMostMove)) ||
+               (gameMode == MachinePlaysBlack &&
+                WhiteOnMove(forwardMostMove))) {
+               StopClocks();
+           }
+           pausing = TRUE;
+           ModeHighlight();
+           break;
+       }
+    }
+}
+
+void
+EditCommentEvent()
+{
+    char title[MSG_SIZ];
+
+    if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
+       strcpy(title, _("Edit comment"));
+    } else {
+       sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
+               WhiteOnMove(currentMove - 1) ? " " : ".. ",
+               parseList[currentMove - 1]);
+    }
+
+    EditCommentPopUp(currentMove, title, commentList[currentMove]);
+}
+
+
+void
+EditTagsEvent()
+{
+    char *tags = PGNTags(&gameInfo);
+    EditTagsPopUp(tags);
+    free(tags);
+}
+
+void
+AnalyzeModeEvent()
+{
+    if (appData.noChessProgram || gameMode == AnalyzeMode)
+      return;
+
+    if (gameMode != AnalyzeFile) {
+        if (!appData.icsEngineAnalyze) {
+               EditGameEvent();
+               if (gameMode != EditGame) return;
+        }
+       ResurrectChessProgram();
+       SendToProgram("analyze\n", &first);
+       first.analyzing = TRUE;
+       /*first.maybeThinking = TRUE;*/
+       first.maybeThinking = FALSE; /* avoid killing GNU Chess */
+       AnalysisPopUp(_("Analysis"),
+                     _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
+    }
+    if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
+    pausing = FALSE;
+    ModeHighlight();
+    SetGameInfo();
+
+    StartAnalysisClock();
+    GetTimeMark(&lastNodeCountTime);
+    lastNodeCount = 0;
+}
+
+void
+AnalyzeFileEvent()
+{
+    if (appData.noChessProgram || gameMode == AnalyzeFile)
+      return;
+
+    if (gameMode != AnalyzeMode) {
+       EditGameEvent();
+       if (gameMode != EditGame) return;
+       ResurrectChessProgram();
+       SendToProgram("analyze\n", &first);
+       first.analyzing = TRUE;
+       /*first.maybeThinking = TRUE;*/
+       first.maybeThinking = FALSE; /* avoid killing GNU Chess */
+       AnalysisPopUp(_("Analysis"),
+                     _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
+    }
+    gameMode = AnalyzeFile;
+    pausing = FALSE;
+    ModeHighlight();
+    SetGameInfo();
+
+    StartAnalysisClock();
+    GetTimeMark(&lastNodeCountTime);
+    lastNodeCount = 0;
+}
+
+void
+MachineWhiteEvent()
+{
+    char buf[MSG_SIZ];
+    char *bookHit = NULL;
+
+    if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
+      return;
+
+
+    if (gameMode == PlayFromGameFile || 
+       gameMode == TwoMachinesPlay  || 
+       gameMode == Training         || 
+       gameMode == AnalyzeMode      || 
+       gameMode == EndOfGame)
+       EditGameEvent();
+
+    if (gameMode == EditPosition) 
+        EditPositionDone();
+
+    if (!WhiteOnMove(currentMove)) {
+       DisplayError(_("It is not White's turn"), 0);
+       return;
+    }
+  
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
+      ExitAnalyzeMode();
+
+    if (gameMode == EditGame || gameMode == AnalyzeMode || 
+       gameMode == AnalyzeFile)
+       TruncateGame();
+
+    ResurrectChessProgram();   /* in case it isn't running */
+    if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
+       gameMode = MachinePlaysWhite;
+       ResetClocks();
+    } else
+    gameMode = MachinePlaysWhite;
+    pausing = FALSE;
+    ModeHighlight();
+    SetGameInfo();
+    sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
+    DisplayTitle(buf);
+    if (first.sendName) {
+      sprintf(buf, "name %s\n", gameInfo.black);
+      SendToProgram(buf, &first);
+    }
+    if (first.sendTime) {
+      if (first.useColors) {
+       SendToProgram("black\n", &first); /*gnu kludge*/
+      }
+      SendTimeRemaining(&first, TRUE);
+    }
+    if (first.useColors) {
+      SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
+    }
+    bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
+    SetMachineThinkingEnables();
+    first.maybeThinking = TRUE;
+    StartClocks();
+
+    if (appData.autoFlipView && !flipView) {
+      flipView = !flipView;
+      DrawPosition(FALSE, NULL);
+      DisplayBothClocks();       // [HGM] logo: clocks might have to be exchanged;
+    }
+
+    if(bookHit) { // [HGM] book: simulate book reply
+       static char bookMove[MSG_SIZ]; // a bit generous?
+
+       programStats.nodes = programStats.depth = programStats.time = 
+       programStats.score = programStats.got_only_move = 0;
+       sprintf(programStats.movelist, "%s (xbook)", bookHit);
+
+       strcpy(bookMove, "move ");
+       strcat(bookMove, bookHit);
+       HandleMachineMove(bookMove, &first);
+    }
+}
+
+void
+MachineBlackEvent()
+{
+    char buf[MSG_SIZ];
+   char *bookHit = NULL;
+
+    if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
+       return;
+
+
+    if (gameMode == PlayFromGameFile || 
+       gameMode == TwoMachinesPlay  || 
+       gameMode == Training         || 
+       gameMode == AnalyzeMode      || 
+       gameMode == EndOfGame)
+        EditGameEvent();
+
+    if (gameMode == EditPosition) 
+        EditPositionDone();
+
+    if (WhiteOnMove(currentMove)) {
+       DisplayError(_("It is not Black's turn"), 0);
+       return;
+    }
+    
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
+      ExitAnalyzeMode();
+
+    if (gameMode == EditGame || gameMode == AnalyzeMode || 
+       gameMode == AnalyzeFile)
+       TruncateGame();
+
+    ResurrectChessProgram();   /* in case it isn't running */
+    gameMode = MachinePlaysBlack;
+    pausing = FALSE;
+    ModeHighlight();
+    SetGameInfo();
+    sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
+    DisplayTitle(buf);
+    if (first.sendName) {
+      sprintf(buf, "name %s\n", gameInfo.white);
+      SendToProgram(buf, &first);
+    }
+    if (first.sendTime) {
+      if (first.useColors) {
+       SendToProgram("white\n", &first); /*gnu kludge*/
+      }
+      SendTimeRemaining(&first, FALSE);
+    }
+    if (first.useColors) {
+      SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
+    }
+    bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
+    SetMachineThinkingEnables();
+    first.maybeThinking = TRUE;
+    StartClocks();
+
+    if (appData.autoFlipView && flipView) {
+      flipView = !flipView;
+      DrawPosition(FALSE, NULL);
+      DisplayBothClocks();       // [HGM] logo: clocks might have to be exchanged;
+    }
+    if(bookHit) { // [HGM] book: simulate book reply
+       static char bookMove[MSG_SIZ]; // a bit generous?
+
+       programStats.nodes = programStats.depth = programStats.time = 
+       programStats.score = programStats.got_only_move = 0;
+       sprintf(programStats.movelist, "%s (xbook)", bookHit);
+
+       strcpy(bookMove, "move ");
+       strcat(bookMove, bookHit);
+       HandleMachineMove(bookMove, &first);
+    }
+}
+
+
+void
+DisplayTwoMachinesTitle()
+{
+    char buf[MSG_SIZ];
+    if (appData.matchGames > 0) {
+        if (first.twoMachinesColor[0] == 'w') {
+           sprintf(buf, "%s vs. %s (%d-%d-%d)",
+                   gameInfo.white, gameInfo.black,
+                   first.matchWins, second.matchWins,
+                   matchGame - 1 - (first.matchWins + second.matchWins));
+       } else {
+           sprintf(buf, "%s vs. %s (%d-%d-%d)",
+                   gameInfo.white, gameInfo.black,
+                   second.matchWins, first.matchWins,
+                   matchGame - 1 - (first.matchWins + second.matchWins));
+       }
+    } else {
+       sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
+    }
+    DisplayTitle(buf);
+}
+
+void
+TwoMachinesEvent P((void))
+{
+    int i;
+    char buf[MSG_SIZ];
+    ChessProgramState *onmove;
+    char *bookHit = NULL;
+    
+    if (appData.noChessProgram) return;
+
+    switch (gameMode) {
+      case TwoMachinesPlay:
+       return;
+      case MachinePlaysWhite:
+      case MachinePlaysBlack:
+       if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
+           DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
+           return;
+       }
+       /* fall through */
+      case BeginningOfGame:
+      case PlayFromGameFile:
+      case EndOfGame:
+       EditGameEvent();
+       if (gameMode != EditGame) return;
+       break;
+      case EditPosition:
+       EditPositionDone();
+       break;
+      case AnalyzeMode:
+      case AnalyzeFile:
+       ExitAnalyzeMode();
+       break;
+      case EditGame:
+      default:
+       break;
+    }
+
+    forwardMostMove = currentMove;
+    ResurrectChessProgram();   /* in case first program isn't running */
+
+    if (second.pr == NULL) {
+       StartChessProgram(&second);
+       if (second.protocolVersion == 1) {
+         TwoMachinesEventIfReady();
+       } else {
+         /* kludge: allow timeout for initial "feature" command */
+         FreezeUI();
+         DisplayMessage("", _("Starting second chess program"));
+         ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
+       }
+       return;
+    }
+    DisplayMessage("", "");
+    InitChessProgram(&second, FALSE);
+    SendToProgram("force\n", &second);
+    if (startedFromSetupPosition) {
+       SendBoard(&second, backwardMostMove);
+    if (appData.debugMode) {
+        fprintf(debugFP, "Two Machines\n");
+    }
+    }
+    for (i = backwardMostMove; i < forwardMostMove; i++) {
+       SendMoveToProgram(i, &second);
+    }
+
+    gameMode = TwoMachinesPlay;
+    pausing = FALSE;
+    ModeHighlight();
+    SetGameInfo();
+    DisplayTwoMachinesTitle();
+    firstMove = TRUE;
+    if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
+       onmove = &first;
+    } else {
+       onmove = &second;
+    }
+
+    SendToProgram(first.computerString, &first);
+    if (first.sendName) {
+      sprintf(buf, "name %s\n", second.tidy);
+      SendToProgram(buf, &first);
+    }
+    SendToProgram(second.computerString, &second);
+    if (second.sendName) {
+      sprintf(buf, "name %s\n", first.tidy);
+      SendToProgram(buf, &second);
+    }
+
+    ResetClocks();
+    if (!first.sendTime || !second.sendTime) {
+       timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
+       timeRemaining[1][forwardMostMove] = blackTimeRemaining;
+    }
+    if (onmove->sendTime) {
+      if (onmove->useColors) {
+       SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
+      }
+      SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
+    }
+    if (onmove->useColors) {
+      SendToProgram(onmove->twoMachinesColor, onmove);
+    }
+    bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
+//    SendToProgram("go\n", onmove);
+    onmove->maybeThinking = TRUE;
+    SetMachineThinkingEnables();
+
+    StartClocks();
+
+    if(bookHit) { // [HGM] book: simulate book reply
+       static char bookMove[MSG_SIZ]; // a bit generous?
+
+       programStats.nodes = programStats.depth = programStats.time = 
+       programStats.score = programStats.got_only_move = 0;
+       sprintf(programStats.movelist, "%s (xbook)", bookHit);
+
+       strcpy(bookMove, "move ");
+       strcat(bookMove, bookHit);
+       HandleMachineMove(bookMove, &first);
+    }
+}
+
+void
+TrainingEvent()
+{
+    if (gameMode == Training) {
+      SetTrainingModeOff();
+      gameMode = PlayFromGameFile;
+      DisplayMessage("", _("Training mode off"));
+    } else {
+      gameMode = Training;
+      animateTraining = appData.animate;
+
+      /* make sure we are not already at the end of the game */
+      if (currentMove < forwardMostMove) {
+       SetTrainingModeOn();
+       DisplayMessage("", _("Training mode on"));
+      } else {
+       gameMode = PlayFromGameFile;
+       DisplayError(_("Already at end of game"), 0);
+      }
+    }
+    ModeHighlight();
+}
+
+void
+IcsClientEvent()
+{
+    if (!appData.icsActive) return;
+    switch (gameMode) {
+      case IcsPlayingWhite:
+      case IcsPlayingBlack:
+      case IcsObserving:
+      case IcsIdle:
+      case BeginningOfGame:
+      case IcsExamining:
+       return;
+
+      case EditGame:
+       break;
+
+      case EditPosition:
+       EditPositionDone();
+       break;
+
+      case AnalyzeMode:
+      case AnalyzeFile:
+       ExitAnalyzeMode();
+       break;
+       
+      default:
+       EditGameEvent();
+       break;
+    }
+
+    gameMode = IcsIdle;
+    ModeHighlight();
+    return;
+}
+
+
+void
+EditGameEvent()
+{
+    int i;
+
+    switch (gameMode) {
+      case Training:
+       SetTrainingModeOff();
+       break;
+      case MachinePlaysWhite:
+      case MachinePlaysBlack:
+      case BeginningOfGame:
+       SendToProgram("force\n", &first);
+       SetUserThinkingEnables();
+       break;
+      case PlayFromGameFile:
+       (void) StopLoadGameTimer();
+       if (gameFileFP != NULL) {
+           gameFileFP = NULL;
+       }
+       break;
+      case EditPosition:
+       EditPositionDone();
+       break;
+      case AnalyzeMode:
+      case AnalyzeFile:
+       ExitAnalyzeMode();
+       SendToProgram("force\n", &first);
+       break;
+      case TwoMachinesPlay:
+       GameEnds((ChessMove) 0, NULL, GE_PLAYER);
+       ResurrectChessProgram();
+       SetUserThinkingEnables();
+       break;
+      case EndOfGame:
+       ResurrectChessProgram();
+       break;
+      case IcsPlayingBlack:
+      case IcsPlayingWhite:
+       DisplayError(_("Warning: You are still playing a game"), 0);
+       break;
+      case IcsObserving:
+       DisplayError(_("Warning: You are still observing a game"), 0);
+       break;
+      case IcsExamining:
+       DisplayError(_("Warning: You are still examining a game"), 0);
+       break;
+      case IcsIdle:
+       break;
+      case EditGame:
+      default:
+       return;
+    }
+    
+    pausing = FALSE;
+    StopClocks();
+    first.offeredDraw = second.offeredDraw = 0;
+
+    if (gameMode == PlayFromGameFile) {
+       whiteTimeRemaining = timeRemaining[0][currentMove];
+       blackTimeRemaining = timeRemaining[1][currentMove];
+       DisplayTitle("");
+    }
+
+    if (gameMode == MachinePlaysWhite ||
+       gameMode == MachinePlaysBlack ||
+       gameMode == TwoMachinesPlay ||
+       gameMode == EndOfGame) {
+       i = forwardMostMove;
+       while (i > currentMove) {
+           SendToProgram("undo\n", &first);
+           i--;
+       }
+       whiteTimeRemaining = timeRemaining[0][currentMove];
+       blackTimeRemaining = timeRemaining[1][currentMove];
+       DisplayBothClocks();
+       if (whiteFlag || blackFlag) {
+           whiteFlag = blackFlag = 0;
+       }
+       DisplayTitle("");
+    }          
+    
+    gameMode = EditGame;
+    ModeHighlight();
+    SetGameInfo();
+}
+
+
+void
+EditPositionEvent()
+{
+    if (gameMode == EditPosition) {
+       EditGameEvent();
+       return;
+    }
+    
+    EditGameEvent();
+    if (gameMode != EditGame) return;
+    
+    gameMode = EditPosition;
+    ModeHighlight();
+    SetGameInfo();
+    if (currentMove > 0)
+      CopyBoard(boards[0], boards[currentMove]);
+    
+    blackPlaysFirst = !WhiteOnMove(currentMove);
+    ResetClocks();
+    currentMove = forwardMostMove = backwardMostMove = 0;
+    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
+    DisplayMove(-1);
+}
+
+void
+ExitAnalyzeMode()
+{
+    /* [DM] icsEngineAnalyze - possible call from other functions */
+    if (appData.icsEngineAnalyze) {
+        appData.icsEngineAnalyze = FALSE;
+
+        DisplayMessage("",_("Close ICS engine analyze..."));
+    }
+    if (first.analysisSupport && first.analyzing) {
+      SendToProgram("exit\n", &first);
+      first.analyzing = FALSE;
+    }
+    AnalysisPopDown();
+    thinkOutput[0] = NULLCHAR;
+}
+
+void
+EditPositionDone()
+{
+    startedFromSetupPosition = TRUE;
+    InitChessProgram(&first, FALSE);
+    SendToProgram("force\n", &first);
+    if (blackPlaysFirst) {
+       strcpy(moveList[0], "");
+       strcpy(parseList[0], "");
+       currentMove = forwardMostMove = backwardMostMove = 1;
+       CopyBoard(boards[1], boards[0]);
+       /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
+       { int i;
+         epStatus[1] = epStatus[0];
+         for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
+       }
+    } else {
+       currentMove = forwardMostMove = backwardMostMove = 0;
+    }
+    SendBoard(&first, forwardMostMove);
+    if (appData.debugMode) {
+        fprintf(debugFP, "EditPosDone\n");
+    }
+    DisplayTitle("");
+    timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
+    timeRemaining[1][forwardMostMove] = blackTimeRemaining;
+    gameMode = EditGame;
+    ModeHighlight();
+    HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
+    ClearHighlights(); /* [AS] */
+}
+
+/* Pause for `ms' milliseconds */
+/* !! Ugh, this is a kludge. Fix it sometime. --tpm */
+void
+TimeDelay(ms)
+     long ms;
+{
+    TimeMark m1, m2;
+
+    GetTimeMark(&m1);
+    do {
+       GetTimeMark(&m2);
+    } while (SubtractTimeMarks(&m2, &m1) < ms);
+}
+
+/* !! Ugh, this is a kludge. Fix it sometime. --tpm */
+void
+SendMultiLineToICS(buf)
+     char *buf;
+{
+    char temp[MSG_SIZ+1], *p;
+    int len;
+
+    len = strlen(buf);
+    if (len > MSG_SIZ)
+      len = MSG_SIZ;
+  
+    strncpy(temp, buf, len);
+    temp[len] = 0;
+
+    p = temp;
+    while (*p) {
+       if (*p == '\n' || *p == '\r')
+         *p = ' ';
+       ++p;
+    }
+
+    strcat(temp, "\n");
+    SendToICS(temp);
+    SendToPlayer(temp, strlen(temp));
+}
+
+void
+SetWhiteToPlayEvent()
+{
+    if (gameMode == EditPosition) {
+       blackPlaysFirst = FALSE;
+       DisplayBothClocks();    /* works because currentMove is 0 */
+    } else if (gameMode == IcsExamining) {
+        SendToICS(ics_prefix);
+       SendToICS("tomove white\n");
+    }
+}
+
+void
+SetBlackToPlayEvent()
+{
+    if (gameMode == EditPosition) {
+       blackPlaysFirst = TRUE;
+       currentMove = 1;        /* kludge */
+       DisplayBothClocks();
+       currentMove = 0;
+    } else if (gameMode == IcsExamining) {
+        SendToICS(ics_prefix);
+       SendToICS("tomove black\n");
+    }
+}
+
+void
+EditPositionMenuEvent(selection, x, y)
+     ChessSquare selection;
+     int x, y;
+{
+    char buf[MSG_SIZ];
+    ChessSquare piece = boards[0][y][x];
+
+    if (gameMode != EditPosition && gameMode != IcsExamining) return;
+
+    switch (selection) {
+      case ClearBoard:
+       if (gameMode == IcsExamining && ics_type == ICS_FICS) {
+           SendToICS(ics_prefix);
+           SendToICS("bsetup clear\n");
+       } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
+           SendToICS(ics_prefix);
+           SendToICS("clearboard\n");
+       } else {
+            for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
+               if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
+                for (y = 0; y < BOARD_HEIGHT; y++) {
+                   if (gameMode == IcsExamining) {
+                       if (boards[currentMove][y][x] != EmptySquare) {
+                           sprintf(buf, "%sx@%c%c\n", ics_prefix,
+                                    AAA + x, ONE + y);
+                           SendToICS(buf);
+                       }
+                   } else {
+                       boards[0][y][x] = p;
+                   }
+               }
+           }
+       }
+       if (gameMode == EditPosition) {
+           DrawPosition(FALSE, boards[0]);
+       }
+       break;
+
+      case WhitePlay:
+       SetWhiteToPlayEvent();
+       break;
+
+      case BlackPlay:
+       SetBlackToPlayEvent();
+       break;
+
+      case EmptySquare:
+       if (gameMode == IcsExamining) {
+            sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
+           SendToICS(buf);
+       } else {
+           boards[0][y][x] = EmptySquare;
+           DrawPosition(FALSE, boards[0]);
+       }
+       break;
+
+      case PromotePiece:
+        if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
+           piece >= (int)BlackPawn && piece < (int)BlackMan   ) {
+            selection = (ChessSquare) (PROMOTED piece);
+        } else if(piece == EmptySquare) selection = WhiteSilver;
+        else selection = (ChessSquare)((int)piece - 1);
+        goto defaultlabel;
+
+      case DemotePiece:
+        if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
+           piece > (int)BlackMan && piece <= (int)BlackKing   ) {
+            selection = (ChessSquare) (DEMOTED piece);
+        } else if(piece == EmptySquare) selection = BlackSilver;
+        else selection = (ChessSquare)((int)piece + 1);       
+        goto defaultlabel;
+
+      case WhiteQueen:
+      case BlackQueen:
+        if(gameInfo.variant == VariantShatranj ||
+           gameInfo.variant == VariantXiangqi  ||
+           gameInfo.variant == VariantCourier    )
+            selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
+        goto defaultlabel;
+
+      case WhiteKing:
+      case BlackKing:
+        if(gameInfo.variant == VariantXiangqi)
+            selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
+        if(gameInfo.variant == VariantKnightmate)
+            selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
+      default:
+        defaultlabel:
+       if (gameMode == IcsExamining) {
+           sprintf(buf, "%s%c@%c%c\n", ics_prefix,
+                    PieceToChar(selection), AAA + x, ONE + y);
+           SendToICS(buf);
+       } else {
+           boards[0][y][x] = selection;
+           DrawPosition(FALSE, boards[0]);
+       }
+       break;
+    }
+}
+
+
+void
+DropMenuEvent(selection, x, y)
+     ChessSquare selection;
+     int x, y;
+{
+    ChessMove moveType;
+
+    switch (gameMode) {
+      case IcsPlayingWhite:
+      case MachinePlaysBlack:
+       if (!WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is Black's turn"));
+           return;
+       }
+       moveType = WhiteDrop;
+       break;
+      case IcsPlayingBlack:
+      case MachinePlaysWhite:
+       if (WhiteOnMove(currentMove)) {
+           DisplayMoveError(_("It is White's turn"));
+           return;
+       }
+       moveType = BlackDrop;
+       break;
+      case EditGame:
+       moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
+       break;
+      default:
+       return;
+    }
+
+    if (moveType == BlackDrop && selection < BlackPawn) {
+      selection = (ChessSquare) ((int) selection
+                                + (int) BlackPawn - (int) WhitePawn);
+    }
+    if (boards[currentMove][y][x] != EmptySquare) {
+       DisplayMoveError(_("That square is occupied"));
+       return;
+    }
+
+    FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
+}
+
+void
+AcceptEvent()
+{
+    /* Accept a pending offer of any kind from opponent */
+    
+    if (appData.icsActive) {
+        SendToICS(ics_prefix);
+       SendToICS("accept\n");
+    } else if (cmailMsgLoaded) {
+       if (currentMove == cmailOldMove &&
+           commentList[cmailOldMove] != NULL &&
+           StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
+                  "Black offers a draw" : "White offers a draw")) {
+           TruncateGame();
+           GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
+           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
+       } else {
+           DisplayError(_("There is no pending offer on this move"), 0);
+           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
+       }
+    } else {
+       /* Not used for offers from chess program */
+    }
+}
+
+void
+DeclineEvent()
+{
+    /* Decline a pending offer of any kind from opponent */
+    
+    if (appData.icsActive) {
+        SendToICS(ics_prefix);
+       SendToICS("decline\n");
+    } else if (cmailMsgLoaded) {
+       if (currentMove == cmailOldMove &&
+           commentList[cmailOldMove] != NULL &&
+           StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
+                  "Black offers a draw" : "White offers a draw")) {
+#ifdef NOTDEF
+           AppendComment(cmailOldMove, "Draw declined");
+           DisplayComment(cmailOldMove - 1, "Draw declined");
+#endif /*NOTDEF*/
+       } else {
+           DisplayError(_("There is no pending offer on this move"), 0);
+       }
+    } else {
+       /* Not used for offers from chess program */
+    }
+}
+
+void
+RematchEvent()
+{
+    /* Issue ICS rematch command */
+    if (appData.icsActive) {
+        SendToICS(ics_prefix);
+       SendToICS("rematch\n");
+    }
+}
+
+void
+CallFlagEvent()
+{
+    /* Call your opponent's flag (claim a win on time) */
+    if (appData.icsActive) {
+        SendToICS(ics_prefix);
+       SendToICS("flag\n");
+    } else {
+       switch (gameMode) {
+         default:
+           return;
+         case MachinePlaysWhite:
+           if (whiteFlag) {
+               if (blackFlag)
+                 GameEnds(GameIsDrawn, "Both players ran out of time",
+                          GE_PLAYER);
+               else
+                 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
+           } else {
+               DisplayError(_("Your opponent is not out of time"), 0);
+           }
+           break;
+         case MachinePlaysBlack:
+           if (blackFlag) {
+               if (whiteFlag)
+                 GameEnds(GameIsDrawn, "Both players ran out of time",
+                          GE_PLAYER);
+               else
+                 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
+           } else {
+               DisplayError(_("Your opponent is not out of time"), 0);
+           }
+           break;
+       }
+    }
+}
+
+void
+DrawEvent()
+{
+    /* Offer draw or accept pending draw offer from opponent */
+    
+    if (appData.icsActive) {
+       /* Note: tournament rules require draw offers to be
+          made after you make your move but before you punch
+          your clock.  Currently ICS doesn't let you do that;
+          instead, you immediately punch your clock after making
+          a move, but you can offer a draw at any time. */
+       
+        SendToICS(ics_prefix);
+       SendToICS("draw\n");
+    } else if (cmailMsgLoaded) {
+       if (currentMove == cmailOldMove &&
+           commentList[cmailOldMove] != NULL &&
+           StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
+                  "Black offers a draw" : "White offers a draw")) {
+           GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
+           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
+       } else if (currentMove == cmailOldMove + 1) {
+           char *offer = WhiteOnMove(cmailOldMove) ?
+             "White offers a draw" : "Black offers a draw";
+           AppendComment(currentMove, offer);
+           DisplayComment(currentMove - 1, offer);
+           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
+       } else {
+           DisplayError(_("You must make your move before offering a draw"), 0);
+           cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
+       }
+    } else if (first.offeredDraw) {
+       GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
+    } else {
+        if (first.sendDrawOffers) {
+           SendToProgram("draw\n", &first);
+            userOfferedDraw = TRUE;
+       }
+    }
+}
+
+void
+AdjournEvent()
+{
+    /* Offer Adjourn or accept pending Adjourn offer from opponent */
+    
+    if (appData.icsActive) {
+        SendToICS(ics_prefix);
+       SendToICS("adjourn\n");
+    } else {
+       /* Currently GNU Chess doesn't offer or accept Adjourns */
+    }
+}
+
+
+void
+AbortEvent()
+{
+    /* Offer Abort or accept pending Abort offer from opponent */
+    
+    if (appData.icsActive) {
+        SendToICS(ics_prefix);
+       SendToICS("abort\n");
+    } else {
+       GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
+    }
+}
+
+void
+ResignEvent()
+{
+    /* Resign.  You can do this even if it's not your turn. */
+    
+    if (appData.icsActive) {
+        SendToICS(ics_prefix);
+       SendToICS("resign\n");
+    } else {
+       switch (gameMode) {
+         case MachinePlaysWhite:
+           GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
+           break;
+         case MachinePlaysBlack:
+           GameEnds(BlackWins, "White resigns", GE_PLAYER);
+           break;
+         case EditGame:
+           if (cmailMsgLoaded) {
+               TruncateGame();
+               if (WhiteOnMove(cmailOldMove)) {
+                   GameEnds(BlackWins, "White resigns", GE_PLAYER);
+               } else {
+                   GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
+               }
+               cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
+           }
+           break;
+         default:
+           break;
+       }
+    }
+}
+
+
+void
+StopObservingEvent()
+{
+    /* Stop observing current games */
+    SendToICS(ics_prefix);
+    SendToICS("unobserve\n");
+}
+
+void
+StopExaminingEvent()
+{
+    /* Stop observing current game */
+    SendToICS(ics_prefix);
+    SendToICS("unexamine\n");
+}
+
+void
+ForwardInner(target)
+     int target;
+{
+    int limit;
+
+    if (appData.debugMode)
+       fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
+               target, currentMove, forwardMostMove);
+
+    if (gameMode == EditPosition)
+      return;
+
+    if (gameMode == PlayFromGameFile && !pausing)
+      PauseEvent();
+    
+    if (gameMode == IcsExamining && pausing)
+      limit = pauseExamForwardMostMove;
+    else
+      limit = forwardMostMove;
+    
+    if (target > limit) target = limit;
+
+    if (target > 0 && moveList[target - 1][0]) {
+       int fromX, fromY, toX, toY;
+        toX = moveList[target - 1][2] - AAA;
+        toY = moveList[target - 1][3] - ONE;
+       if (moveList[target - 1][1] == '@') {
+           if (appData.highlightLastMove) {
+               SetHighlights(-1, -1, toX, toY);
+           }
+       } else {
+            fromX = moveList[target - 1][0] - AAA;
+            fromY = moveList[target - 1][1] - ONE;
+           if (target == currentMove + 1) {
+               AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
+           }
+           if (appData.highlightLastMove) {
+               SetHighlights(fromX, fromY, toX, toY);
+           }
+       }
+    }
+    if (gameMode == EditGame || gameMode == AnalyzeMode || 
+       gameMode == Training || gameMode == PlayFromGameFile || 
+       gameMode == AnalyzeFile) {
+       while (currentMove < target) {
+           SendMoveToProgram(currentMove++, &first);
+       }
+    } else {
+       currentMove = target;
+    }
+    
+    if (gameMode == EditGame || gameMode == EndOfGame) {
+       whiteTimeRemaining = timeRemaining[0][currentMove];
+       blackTimeRemaining = timeRemaining[1][currentMove];
+    }
+    DisplayBothClocks();
+    DisplayMove(currentMove - 1);
+    DrawPosition(FALSE, boards[currentMove]);
+    HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
+    if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
+       DisplayComment(currentMove - 1, commentList[currentMove]);
+    }
+}
+
+
+void
+ForwardEvent()
+{
+    if (gameMode == IcsExamining && !pausing) {
+        SendToICS(ics_prefix);
+       SendToICS("forward\n");
+    } else {
+       ForwardInner(currentMove + 1);
+    }
+}
+
+void
+ToEndEvent()
+{
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
+       /* to optimze, we temporarily turn off analysis mode while we feed
+        * the remaining moves to the engine. Otherwise we get analysis output
+        * after each move.
+        */ 
+        if (first.analysisSupport) {
+         SendToProgram("exit\nforce\n", &first);
+         first.analyzing = FALSE;
+       }
+    }
+       
+    if (gameMode == IcsExamining && !pausing) {
+        SendToICS(ics_prefix);
+       SendToICS("forward 999999\n");
+    } else {
+       ForwardInner(forwardMostMove);
+    }
+
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
+       /* we have fed all the moves, so reactivate analysis mode */
+       SendToProgram("analyze\n", &first);
+       first.analyzing = TRUE;
+       /*first.maybeThinking = TRUE;*/
+       first.maybeThinking = FALSE; /* avoid killing GNU Chess */
+    }
+}
+
+void
+BackwardInner(target)
+     int target;
+{
+    int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
+
+    if (appData.debugMode)
+       fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
+               target, currentMove, forwardMostMove);
+
+    if (gameMode == EditPosition) return;
+    if (currentMove <= backwardMostMove) {
+       ClearHighlights();
+       DrawPosition(full_redraw, boards[currentMove]);
+       return;
+    }
+    if (gameMode == PlayFromGameFile && !pausing)
+      PauseEvent();
+    
+    if (moveList[target][0]) {
+       int fromX, fromY, toX, toY;
+        toX = moveList[target][2] - AAA;
+        toY = moveList[target][3] - ONE;
+       if (moveList[target][1] == '@') {
+           if (appData.highlightLastMove) {
+               SetHighlights(-1, -1, toX, toY);
+           }
+       } else {
+            fromX = moveList[target][0] - AAA;
+            fromY = moveList[target][1] - ONE;
+           if (target == currentMove - 1) {
+               AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
+           }
+           if (appData.highlightLastMove) {
+               SetHighlights(fromX, fromY, toX, toY);
+           }
+       }
+    }
+    if (gameMode == EditGame || gameMode==AnalyzeMode ||
+       gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
+       while (currentMove > target) {
+           SendToProgram("undo\n", &first);
+           currentMove--;
+       }
+    } else {
+       currentMove = target;
+    }
+    
+    if (gameMode == EditGame || gameMode == EndOfGame) {
+       whiteTimeRemaining = timeRemaining[0][currentMove];
+       blackTimeRemaining = timeRemaining[1][currentMove];
+    }
+    DisplayBothClocks();
+    DisplayMove(currentMove - 1);
+    DrawPosition(full_redraw, boards[currentMove]);
+    HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
+    // [HGM] PV info: routine tests if comment empty
+    DisplayComment(currentMove - 1, commentList[currentMove]);
+}
+
+void
+BackwardEvent()
+{
+    if (gameMode == IcsExamining && !pausing) {
+        SendToICS(ics_prefix);
+       SendToICS("backward\n");
+    } else {
+       BackwardInner(currentMove - 1);
+    }
+}
+
+void
+ToStartEvent()
+{
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
+       /* to optimze, we temporarily turn off analysis mode while we undo
+        * all the moves. Otherwise we get analysis output after each undo.
+        */ 
+        if (first.analysisSupport) {
+         SendToProgram("exit\nforce\n", &first);
+         first.analyzing = FALSE;
+       }
+    }
+
+    if (gameMode == IcsExamining && !pausing) {
+        SendToICS(ics_prefix);
+       SendToICS("backward 999999\n");
+    } else {
+       BackwardInner(backwardMostMove);
+    }
+
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
+       /* we have fed all the moves, so reactivate analysis mode */
+       SendToProgram("analyze\n", &first);
+       first.analyzing = TRUE;
+       /*first.maybeThinking = TRUE;*/
+       first.maybeThinking = FALSE; /* avoid killing GNU Chess */
+    }
+}
+
+void
+ToNrEvent(int to)
+{
+  if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
+  if (to >= forwardMostMove) to = forwardMostMove;
+  if (to <= backwardMostMove) to = backwardMostMove;
+  if (to < currentMove) {
+    BackwardInner(to);
+  } else {
+    ForwardInner(to);
+  }
+}
+
+void
+RevertEvent()
+{
+    if (gameMode != IcsExamining) {
+       DisplayError(_("You are not examining a game"), 0);
+       return;
+    }
+    if (pausing) {
+       DisplayError(_("You can't revert while pausing"), 0);
+       return;
+    }
+    SendToICS(ics_prefix);
+    SendToICS("revert\n");
+}
+
+void
+RetractMoveEvent()
+{
+    switch (gameMode) {
+      case MachinePlaysWhite:
+      case MachinePlaysBlack:
+       if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
+           DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
+           return;
+       }
+       if (forwardMostMove < 2) return;
+       currentMove = forwardMostMove = forwardMostMove - 2;
+       whiteTimeRemaining = timeRemaining[0][currentMove];
+       blackTimeRemaining = timeRemaining[1][currentMove];
+       DisplayBothClocks();
+       DisplayMove(currentMove - 1);
+       ClearHighlights();/*!! could figure this out*/
+       DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
+       SendToProgram("remove\n", &first);
+       /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
+       break;
+
+      case BeginningOfGame:
+      default:
+       break;
+
+      case IcsPlayingWhite:
+      case IcsPlayingBlack:
+       if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
+           SendToICS(ics_prefix);
+           SendToICS("takeback 2\n");
+       } else {
+           SendToICS(ics_prefix);
+           SendToICS("takeback 1\n");
+       }
+       break;
+    }
+}
+
+void
+MoveNowEvent()
+{
+    ChessProgramState *cps;
+
+    switch (gameMode) {
+      case MachinePlaysWhite:
+       if (!WhiteOnMove(forwardMostMove)) {
+           DisplayError(_("It is your turn"), 0);
+           return;
+       }
+       cps = &first;
+       break;
+      case MachinePlaysBlack:
+       if (WhiteOnMove(forwardMostMove)) {
+           DisplayError(_("It is your turn"), 0);
+           return;
+       }
+       cps = &first;
+       break;
+      case TwoMachinesPlay:
+       if (WhiteOnMove(forwardMostMove) ==
+           (first.twoMachinesColor[0] == 'w')) {
+           cps = &first;
+       } else {
+           cps = &second;
+       }
+       break;
+      case BeginningOfGame:
+      default:
+       return;
+    }
+    SendToProgram("?\n", cps);
+}
+
+void
+TruncateGameEvent()
+{
+    EditGameEvent();
+    if (gameMode != EditGame) return;
+    TruncateGame();
+}
+
+void
+TruncateGame()
+{
+    if (forwardMostMove > currentMove) {
+       if (gameInfo.resultDetails != NULL) {
+           free(gameInfo.resultDetails);
+           gameInfo.resultDetails = NULL;
+           gameInfo.result = GameUnfinished;
+       }
+       forwardMostMove = currentMove;
+       HistorySet(parseList, backwardMostMove, forwardMostMove,
+                  currentMove-1);
+    }
+}
+
+void
+HintEvent()
+{
+    if (appData.noChessProgram) return;
+    switch (gameMode) {
+      case MachinePlaysWhite:
+       if (WhiteOnMove(forwardMostMove)) {
+           DisplayError(_("Wait until your turn"), 0);
+           return;
+       }
+       break;
+      case BeginningOfGame:
+      case MachinePlaysBlack:
+       if (!WhiteOnMove(forwardMostMove)) {
+           DisplayError(_("Wait until your turn"), 0);
+           return;
+       }
+       break;
+      default:
+       DisplayError(_("No hint available"), 0);
+       return;
+    }
+    SendToProgram("hint\n", &first);
+    hintRequested = TRUE;
+}
+
+void
+BookEvent()
+{
+    if (appData.noChessProgram) return;
+    switch (gameMode) {
+      case MachinePlaysWhite:
+       if (WhiteOnMove(forwardMostMove)) {
+           DisplayError(_("Wait until your turn"), 0);
+           return;
+       }
+       break;
+      case BeginningOfGame:
+      case MachinePlaysBlack:
+       if (!WhiteOnMove(forwardMostMove)) {
+           DisplayError(_("Wait until your turn"), 0);
+           return;
+       }
+       break;
+      case EditPosition:
+       EditPositionDone();
+       break;
+      case TwoMachinesPlay:
+       return;
+      default:
+       break;
+    }
+    SendToProgram("bk\n", &first);
+    bookOutput[0] = NULLCHAR;
+    bookRequested = TRUE;
+}
+
+void
+AboutGameEvent()
+{
+    char *tags = PGNTags(&gameInfo);
+    TagsPopUp(tags, CmailMsg());
+    free(tags);
+}
+
+/* end button procedures */
+
+void
+PrintPosition(fp, move)
+     FILE *fp;
+     int move;
+{
+    int i, j;
+    
+    for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
+        for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
+           char c = PieceToChar(boards[move][i][j]);
+           fputc(c == 'x' ? '.' : c, fp);
+            fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
+       }
+    }
+    if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
+      fprintf(fp, "white to play\n");
+    else
+      fprintf(fp, "black to play\n");
+}
+
+void
+PrintOpponents(fp)
+     FILE *fp;
+{
+    if (gameInfo.white != NULL) {
+       fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
+    } else {
+       fprintf(fp, "\n");
+    }
+}
+
+/* Find last component of program's own name, using some heuristics */
+void
+TidyProgramName(prog, host, buf)
+     char *prog, *host, buf[MSG_SIZ];
+{
+    char *p, *q;
+    int local = (strcmp(host, "localhost") == 0);
+    while (!local && (p = strchr(prog, ';')) != NULL) {
+       p++;
+       while (*p == ' ') p++;
+       prog = p;
+    }
+    if (*prog == '"' || *prog == '\'') {
+       q = strchr(prog + 1, *prog);
+    } else {
+       q = strchr(prog, ' ');
+    }
+    if (q == NULL) q = prog + strlen(prog);
+    p = q;
+    while (p >= prog && *p != '/' && *p != '\\') p--;
+    p++;
+    if(p == prog && *p == '"') p++;
+    if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
+    memcpy(buf, p, q - p);
+    buf[q - p] = NULLCHAR;
+    if (!local) {
+       strcat(buf, "@");
+       strcat(buf, host);
+    }
+}
+
+char *
+TimeControlTagValue()
+{
+    char buf[MSG_SIZ];
+    if (!appData.clockMode) {
+       strcpy(buf, "-");
+    } else if (movesPerSession > 0) {
+       sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
+    } else if (timeIncrement == 0) {
+       sprintf(buf, "%ld", timeControl/1000);
+    } else {
+       sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
+    }
+    return StrSave(buf);
+}
+
+void
+SetGameInfo()
+{
+    /* This routine is used only for certain modes */
+    VariantClass v = gameInfo.variant;
+    ClearGameInfo(&gameInfo);
+    gameInfo.variant = v;
+
+    switch (gameMode) {
+      case MachinePlaysWhite:
+       gameInfo.event = StrSave( appData.pgnEventHeader );
+       gameInfo.site = StrSave(HostName());
+       gameInfo.date = PGNDate();
+       gameInfo.round = StrSave("-");
+       gameInfo.white = StrSave(first.tidy);
+       gameInfo.black = StrSave(UserName());
+       gameInfo.timeControl = TimeControlTagValue();
+       break;
+
+      case MachinePlaysBlack:
+       gameInfo.event = StrSave( appData.pgnEventHeader );
+       gameInfo.site = StrSave(HostName());
+       gameInfo.date = PGNDate();
+       gameInfo.round = StrSave("-");
+       gameInfo.white = StrSave(UserName());
+       gameInfo.black = StrSave(first.tidy);
+       gameInfo.timeControl = TimeControlTagValue();
+       break;
+
+      case TwoMachinesPlay:
+       gameInfo.event = StrSave( appData.pgnEventHeader );
+       gameInfo.site = StrSave(HostName());
+       gameInfo.date = PGNDate();
+       if (matchGame > 0) {
+           char buf[MSG_SIZ];
+           sprintf(buf, "%d", matchGame);
+           gameInfo.round = StrSave(buf);
+       } else {
+           gameInfo.round = StrSave("-");
+       }
+       if (first.twoMachinesColor[0] == 'w') {
+           gameInfo.white = StrSave(first.tidy);
+           gameInfo.black = StrSave(second.tidy);
+       } else {
+           gameInfo.white = StrSave(second.tidy);
+           gameInfo.black = StrSave(first.tidy);
+       }
+       gameInfo.timeControl = TimeControlTagValue();
+       break;
+
+      case EditGame:
+       gameInfo.event = StrSave("Edited game");
+       gameInfo.site = StrSave(HostName());
+       gameInfo.date = PGNDate();
+       gameInfo.round = StrSave("-");
+       gameInfo.white = StrSave("-");
+       gameInfo.black = StrSave("-");
+       break;
+
+      case EditPosition:
+       gameInfo.event = StrSave("Edited position");
+       gameInfo.site = StrSave(HostName());
+       gameInfo.date = PGNDate();
+       gameInfo.round = StrSave("-");
+       gameInfo.white = StrSave("-");
+       gameInfo.black = StrSave("-");
+       break;
+
+      case IcsPlayingWhite:
+      case IcsPlayingBlack:
+      case IcsObserving:
+      case IcsExamining:
+       break;
+
+      case PlayFromGameFile:
+       gameInfo.event = StrSave("Game from non-PGN file");
+       gameInfo.site = StrSave(HostName());
+       gameInfo.date = PGNDate();
+       gameInfo.round = StrSave("-");
+       gameInfo.white = StrSave("?");
+       gameInfo.black = StrSave("?");
+       break;
+
+      default:
+       break;
+    }
+}
+
+void
+ReplaceComment(index, text)
+     int index;
+     char *text;
+{
+    int len;
+
+    while (*text == '\n') text++;
+    len = strlen(text);
+    while (len > 0 && text[len - 1] == '\n') len--;
+
+    if (commentList[index] != NULL)
+      free(commentList[index]);
+
+    if (len == 0) {
+       commentList[index] = NULL;
+       return;
+    }
+    commentList[index] = (char *) malloc(len + 2);
+    strncpy(commentList[index], text, len);
+    commentList[index][len] = '\n';
+    commentList[index][len + 1] = NULLCHAR;
+}
+
+void
+CrushCRs(text)
+     char *text;
+{
+  char *p = text;
+  char *q = text;
+  char ch;
+
+  do {
+    ch = *p++;
+    if (ch == '\r') continue;
+    *q++ = ch;
+  } while (ch != '\0');
+}
+
+void
+AppendComment(index, text)
+     int index;
+     char *text;
+{
+    int oldlen, len;
+    char *old;
+
+    text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
+
+    CrushCRs(text);
+    while (*text == '\n') text++;
+    len = strlen(text);
+    while (len > 0 && text[len - 1] == '\n') len--;
+
+    if (len == 0) return;
+
+    if (commentList[index] != NULL) {
+       old = commentList[index];
+       oldlen = strlen(old);
+       commentList[index] = (char *) malloc(oldlen + len + 2);
+       strcpy(commentList[index], old);
+       free(old);
+       strncpy(&commentList[index][oldlen], text, len);
+       commentList[index][oldlen + len] = '\n';
+       commentList[index][oldlen + len + 1] = NULLCHAR;
+    } else {
+       commentList[index] = (char *) malloc(len + 2);
+       strncpy(commentList[index], text, len);
+       commentList[index][len] = '\n';
+       commentList[index][len + 1] = NULLCHAR;
+    }
+}
+
+static char * FindStr( char * text, char * sub_text )
+{
+    char * result = strstr( text, sub_text );
+
+    if( result != NULL ) {
+        result += strlen( sub_text );
+    }
+
+    return result;
+}
+
+/* [AS] Try to extract PV info from PGN comment */
+/* [HGM] PV time: and then remove it, to prevent it appearing twice */
+char *GetInfoFromComment( int index, char * text )
+{
+    char * sep = text;
+
+    if( text != NULL && index > 0 ) {
+        int score = 0;
+        int depth = 0;
+        int time = -1, sec = 0, deci;
+        char * s_eval = FindStr( text, "[%eval " );
+        char * s_emt = FindStr( text, "[%emt " );
+
+        if( s_eval != NULL || s_emt != NULL ) {
+            /* New style */
+            char delim;
+
+            if( s_eval != NULL ) {
+                if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
+                    return text;
+                }
+
+                if( delim != ']' ) {
+                    return text;
+                }
+            }
+
+            if( s_emt != NULL ) {
+            }
+        }
+        else {
+            /* We expect something like: [+|-]nnn.nn/dd */
+            int score_lo = 0;
+
+            sep = strchr( text, '/' );
+            if( sep == NULL || sep < (text+4) ) {
+                return text;
+            }
+
+            time = -1; sec = -1; deci = -1;
+            if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
+               sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
+                sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
+                sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3   ) {
+                return text;
+            }
+
+            if( score_lo < 0 || score_lo >= 100 ) {
+                return text;
+            }
+
+            if(sec >= 0) time = 600*time + 10*sec; else
+            if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
+
+            score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
+
+            /* [HGM] PV time: now locate end of PV info */
+            while( *++sep >= '0' && *sep <= '9'); // strip depth
+            if(time >= 0)
+            while( *++sep >= '0' && *sep <= '9'); // strip time
+            if(sec >= 0)
+            while( *++sep >= '0' && *sep <= '9'); // strip seconds
+            if(deci >= 0)
+            while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
+            while(*sep == ' ') sep++;
+        }
+
+        if( depth <= 0 ) {
+            return text;
+        }
+
+        if( time < 0 ) {
+            time = -1;
+        }
+
+        pvInfoList[index-1].depth = depth;
+        pvInfoList[index-1].score = score;
+        pvInfoList[index-1].time  = 10*time; // centi-sec
+    }
+    return sep;
+}
+
+void
+SendToProgram(message, cps)
+     char *message;
+     ChessProgramState *cps;
+{
+    int count, outCount, error;
+    char buf[MSG_SIZ];
+
+    if (cps->pr == NULL) return;
+    Attention(cps);
+    
+    if (appData.debugMode) {
+       TimeMark now;
+       GetTimeMark(&now);
+       fprintf(debugFP, "%ld >%-6s: %s", 
+               SubtractTimeMarks(&now, &programStartTime),
+               cps->which, message);
+    }
+    
+    count = strlen(message);
+    outCount = OutputToProcess(cps->pr, message, count, &error);
+    if (outCount < count && !exiting 
+                         && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
+       sprintf(buf, _("Error writing to %s chess program"), cps->which);
+        if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
+            if(epStatus[forwardMostMove] <= EP_DRAWS) {
+                gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
+                sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
+            } else {
+                gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
+            }
+            gameInfo.resultDetails = buf;
+        }
+        DisplayFatalError(buf, error, 1);
+    }
+}
+
+void
+ReceiveFromProgram(isr, closure, message, count, error)
+     InputSourceRef isr;
+     VOIDSTAR closure;
+     char *message;
+     int count;
+     int error;
+{
+    char *end_str;
+    char buf[MSG_SIZ];
+    ChessProgramState *cps = (ChessProgramState *)closure;
+
+    if (isr != cps->isr) return; /* Killed intentionally */
+    if (count <= 0) {
+       if (count == 0) {
+           sprintf(buf,
+                   _("Error: %s chess program (%s) exited unexpectedly"),
+                   cps->which, cps->program);
+        if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
+                if(epStatus[forwardMostMove] <= EP_DRAWS) {
+                    gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
+                    sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
+                } else {
+                    gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
+                }
+                gameInfo.resultDetails = buf;
+            }
+           RemoveInputSource(cps->isr);
+           DisplayFatalError(buf, 0, 1);
+       } else {
+           sprintf(buf,
+                   _("Error reading from %s chess program (%s)"),
+                   cps->which, cps->program);
+           RemoveInputSource(cps->isr);
+
+            /* [AS] Program is misbehaving badly... kill it */
+            if( count == -2 ) {
+                DestroyChildProcess( cps->pr, 9 );
+                cps->pr = NoProc;
+            }
+
+            DisplayFatalError(buf, error, 1);
+       }
+       return;
+    }
+    
+    if ((end_str = strchr(message, '\r')) != NULL)
+      *end_str = NULLCHAR;
+    if ((end_str = strchr(message, '\n')) != NULL)
+      *end_str = NULLCHAR;
+    
+    if (appData.debugMode) {
+       TimeMark now; int print = 1;
+       char *quote = ""; char c; int i;
+
+       if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
+               char start = message[0];
+               if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
+               if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 && 
+                  sscanf(message, "move %c", &c)!=1  && sscanf(message, "offer%c", &c)!=1 &&
+                  sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
+                  sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
+                  sscanf(message, "tell%c", &c)!=1   && sscanf(message, "0-1 %c", &c)!=1 &&
+                  sscanf(message, "1-0 %c", &c)!=1   && sscanf(message, "1/2-1/2 %c", &c)!=1 && start != '#')
+                       { quote = "# "; print = (appData.engineComments == 2); }
+               message[0] = start; // restore original message
+       }
+       if(print) {
+               GetTimeMark(&now);
+               fprintf(debugFP, "%ld <%-6s: %s%s\n", 
+                       SubtractTimeMarks(&now, &programStartTime), cps->which, 
+                       quote,
+                       message);
+       }
+    }
+
+    /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
+    if (appData.icsEngineAnalyze) {
+        if (strstr(message, "whisper") != NULL ||
+             strstr(message, "kibitz") != NULL || 
+            strstr(message, "tellics") != NULL) return;
+    }
+
+    HandleMachineMove(message, cps);
+}
+
+
+void
+SendTimeControl(cps, mps, tc, inc, sd, st)
+     ChessProgramState *cps;
+     int mps, inc, sd, st;
+     long tc;
+{
+    char buf[MSG_SIZ];
+    int seconds;
+
+    if( timeControl_2 > 0 ) {
+        if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
+            tc = timeControl_2;
+        }
+    }
+    tc  /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
+    inc /= cps->timeOdds;
+    st  /= cps->timeOdds;
+
+    seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
+
+    if (st > 0) {
+      /* Set exact time per move, normally using st command */
+      if (cps->stKludge) {
+       /* GNU Chess 4 has no st command; uses level in a nonstandard way */
+       seconds = st % 60;
+       if (seconds == 0) {
+         sprintf(buf, "level 1 %d\n", st/60);
+       } else {
+         sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
+       }
+      } else {
+       sprintf(buf, "st %d\n", st);
+      }
+    } else {
+      /* Set conventional or incremental time control, using level command */
+      if (seconds == 0) {
+       /* Note old gnuchess bug -- minutes:seconds used to not work.
+          Fixed in later versions, but still avoid :seconds
+          when seconds is 0. */
+       sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
+      } else {
+       sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
+               seconds, inc/1000);
+      }
+    }
+    SendToProgram(buf, cps);
+
+    /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
+    /* Orthogonally, limit search to given depth */
+    if (sd > 0) {
+      if (cps->sdKludge) {
+       sprintf(buf, "depth\n%d\n", sd);
+      } else {
+       sprintf(buf, "sd %d\n", sd);
+      }
+      SendToProgram(buf, cps);
+    }
+
+    if(cps->nps > 0) { /* [HGM] nps */
+       if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
+       else {
+               sprintf(buf, "nps %d\n", cps->nps);
+             SendToProgram(buf, cps);
+       }
+    }
+}
+
+ChessProgramState *WhitePlayer()
+/* [HGM] return pointer to 'first' or 'second', depending on who plays white */
+{
+    if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' || 
+       gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
+        return &second;
+    return &first;
+}
+
+void
+SendTimeRemaining(cps, machineWhite)
+     ChessProgramState *cps;
+     int /*boolean*/ machineWhite;
+{
+    char message[MSG_SIZ];
+    long time, otime;
+
+    /* Note: this routine must be called when the clocks are stopped
+       or when they have *just* been set or switched; otherwise
+       it will be off by the time since the current tick started.
+    */
+    if (machineWhite) {
+       time = whiteTimeRemaining / 10;
+       otime = blackTimeRemaining / 10;
+    } else {
+       time = blackTimeRemaining / 10;
+       otime = whiteTimeRemaining / 10;
+    }
+    /* [HGM] translate opponent's time by time-odds factor */
+    otime = (otime * cps->other->timeOdds) / cps->timeOdds;
+    if (appData.debugMode) {
+        fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
+    }
+
+    if (time <= 0) time = 1;
+    if (otime <= 0) otime = 1;
+    
+    sprintf(message, "time %ld\n", time);
+    SendToProgram(message, cps);
+
+    sprintf(message, "otim %ld\n", otime);
+    SendToProgram(message, cps);
+}
+
+int
+BoolFeature(p, name, loc, cps)
+     char **p;
+     char *name;
+     int *loc;
+     ChessProgramState *cps;
+{
+  char buf[MSG_SIZ];
+  int len = strlen(name);
+  int val;
+  if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
+    (*p) += len + 1;
+    sscanf(*p, "%d", &val);
+    *loc = (val != 0);
+    while (**p && **p != ' ') (*p)++;
+    sprintf(buf, "accepted %s\n", name);
+    SendToProgram(buf, cps);
+    return TRUE;
+  }
+  return FALSE;
+}
+
+int
+IntFeature(p, name, loc, cps)
+     char **p;
+     char *name;
+     int *loc;
+     ChessProgramState *cps;
+{
+  char buf[MSG_SIZ];
+  int len = strlen(name);
+  if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
+    (*p) += len + 1;
+    sscanf(*p, "%d", loc);
+    while (**p && **p != ' ') (*p)++;
+    sprintf(buf, "accepted %s\n", name);
+    SendToProgram(buf, cps);
+    return TRUE;
+  }
+  return FALSE;
+}
+
+int
+StringFeature(p, name, loc, cps)
+     char **p;
+     char *name;
+     char loc[];
+     ChessProgramState *cps;
+{
+  char buf[MSG_SIZ];
+  int len = strlen(name);
+  if (strncmp((*p), name, len) == 0
+      && (*p)[len] == '=' && (*p)[len+1] == '\"') {
+    (*p) += len + 2;
+    sscanf(*p, "%[^\"]", loc);
+    while (**p && **p != '\"') (*p)++;
+    if (**p == '\"') (*p)++;
+    sprintf(buf, "accepted %s\n", name);
+    SendToProgram(buf, cps);
+    return TRUE;
+  }
+  return FALSE;
+}
+
+int 
+ParseOption(Option *opt, ChessProgramState *cps)
+// [HGM] options: process the string that defines an engine option, and determine
+// name, type, default value, and allowed value range
+{
+       char *p, *q, buf[MSG_SIZ];
+       int n, min = (-1)<<31, max = 1<<31, def;
+
+       if(p = strstr(opt->name, " -spin ")) {
+           if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
+           if(max < min) max = min; // enforce consistency
+           if(def < min) def = min;
+           if(def > max) def = max;
+           opt->value = def;
+           opt->min = min;
+           opt->max = max;
+           opt->type = Spin;
+       } else if(p = strstr(opt->name, " -string ")) {
+           opt->textValue = p+9;
+           opt->type = TextBox;
+       } else if(p = strstr(opt->name, " -check ")) {
+           if(sscanf(p, " -check %d", &def) < 1) return FALSE;
+           opt->value = (def != 0);
+           opt->type = CheckBox;
+       } else if(p = strstr(opt->name, " -combo ")) {
+           opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
+           cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
+           opt->value = n = 0;
+           while(q = StrStr(q, " /// ")) {
+               n++; *q = 0;    // count choices, and null-terminate each of them
+               q += 5;
+               if(*q == '*') { // remember default, which is marked with * prefix
+                   q++;
+                   opt->value = n;
+               }
+               cps->comboList[cps->comboCnt++] = q;
+           }
+           cps->comboList[cps->comboCnt++] = NULL;
+           opt->max = n + 1;
+           opt->type = ComboBox;
+       } else if(p = strstr(opt->name, " -button")) {
+           opt->type = Button;
+       } else if(p = strstr(opt->name, " -save")) {
+           opt->type = SaveButton;
+       } else return FALSE;
+       *p = 0; // terminate option name
+       // now look if the command-line options define a setting for this engine option.
+       if(cps->optionSettings && cps->optionSettings[0])
+           p = strstr(cps->optionSettings, opt->name); else p = NULL;
+       if(p && (p == cps->optionSettings || p[-1] == ',')) {
+               sprintf(buf, "option %s", p);
+               if(p = strstr(buf, ",")) *p = 0;
+               strcat(buf, "\n");
+               SendToProgram(buf, cps);
+       }
+       return TRUE;
+}
+
+void
+FeatureDone(cps, val)
+     ChessProgramState* cps;
+     int val;
+{
+  DelayedEventCallback cb = GetDelayedEvent();
+  if ((cb == InitBackEnd3 && cps == &first) ||
+      (cb == TwoMachinesEventIfReady && cps == &second)) {
+    CancelDelayedEvent();
+    ScheduleDelayedEvent(cb, val ? 1 : 3600000);
+  }
+  cps->initDone = val;
+}
+
+/* Parse feature command from engine */
+void
+ParseFeatures(args, cps)
+     char* args;
+     ChessProgramState *cps;  
+{
+  char *p = args;
+  char *q;
+  int val;
+  char buf[MSG_SIZ];
+
+  for (;;) {
+    while (*p == ' ') p++;
+    if (*p == NULLCHAR) return;
+
+    if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
+    if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;    
+    if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;    
+    if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;    
+    if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;    
+    if (BoolFeature(&p, "reuse", &val, cps)) {
+      /* Engine can disable reuse, but can't enable it if user said no */
+      if (!val) cps->reuse = FALSE;
+      continue;
+    }
+    if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
+    if (StringFeature(&p, "myname", &cps->tidy, cps)) {
+      if (gameMode == TwoMachinesPlay) {
+       DisplayTwoMachinesTitle();
+      } else {
+       DisplayTitle("");
+      }
+      continue;
+    }
+    if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
+    if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
+    if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
+    if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
+    if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
+    if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
+    if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
+    if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
+    if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
+    if (IntFeature(&p, "done", &val, cps)) {
+      FeatureDone(cps, val);
+      continue;
+    }
+    /* Added by Tord: */
+    if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
+    if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
+    /* End of additions by Tord */
+
+    /* [HGM] added features: */
+    if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
+    if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
+    if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
+    if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
+    if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
+    if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
+    if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
+       ParseOption(&(cps->option[cps->nrOptions++]), cps); // [HGM] options: add option feature
+       if(cps->nrOptions >= MAX_OPTIONS) {
+           cps->nrOptions--;
+           sprintf(buf, "%s engine has too many options\n", cps->which);
+           DisplayError(buf, 0);
+       }
+       continue;
+    }
+    if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
+    /* End of additions by HGM */
+
+    /* unknown feature: complain and skip */
+    q = p;
+    while (*q && *q != '=') q++;
+    sprintf(buf, "rejected %.*s\n", q-p, p);
+    SendToProgram(buf, cps);
+    p = q;
+    if (*p == '=') {
+      p++;
+      if (*p == '\"') {
+       p++;
+       while (*p && *p != '\"') p++;
+       if (*p == '\"') p++;
+      } else {
+       while (*p && *p != ' ') p++;
+      }
+    }
+  }
+
+}
+
+void
+PeriodicUpdatesEvent(newState)
+     int newState;
+{
+    if (newState == appData.periodicUpdates)
+      return;
+
+    appData.periodicUpdates=newState;
+
+    /* Display type changes, so update it now */
+    DisplayAnalysis();
+
+    /* Get the ball rolling again... */
+    if (newState) {
+       AnalysisPeriodicEvent(1);
+       StartAnalysisClock();
+    }
+}
+
+void
+PonderNextMoveEvent(newState)
+     int newState;
+{
+    if (newState == appData.ponderNextMove) return;
+    if (gameMode == EditPosition) EditPositionDone();
+    if (newState) {
+       SendToProgram("hard\n", &first);
+       if (gameMode == TwoMachinesPlay) {
+           SendToProgram("hard\n", &second);
+       }
+    } else {
+       SendToProgram("easy\n", &first);
+       thinkOutput[0] = NULLCHAR;
+       if (gameMode == TwoMachinesPlay) {
+           SendToProgram("easy\n", &second);
+       }
+    }
+    appData.ponderNextMove = newState;
+}
+
+void
+NewSettingEvent(option, command, value)
+     char *command;
+     int option, value;
+{
+    char buf[MSG_SIZ];
+
+    if (gameMode == EditPosition) EditPositionDone();
+    sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
+    SendToProgram(buf, &first);
+    if (gameMode == TwoMachinesPlay) {
+       SendToProgram(buf, &second);
+    }
+}
+
+void
+ShowThinkingEvent()
+// [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
+{
+    static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
+    int newState = appData.showThinking
+       // [HGM] thinking: other features now need thinking output as well
+       || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
+    
+    if (oldState == newState) return;
+    oldState = newState;
+    if (gameMode == EditPosition) EditPositionDone();
+    if (oldState) {
+       SendToProgram("post\n", &first);
+       if (gameMode == TwoMachinesPlay) {
+           SendToProgram("post\n", &second);
+       }
+    } else {
+       SendToProgram("nopost\n", &first);
+       thinkOutput[0] = NULLCHAR;
+       if (gameMode == TwoMachinesPlay) {
+           SendToProgram("nopost\n", &second);
+       }
+    }
+//    appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
+}
+
+void
+AskQuestionEvent(title, question, replyPrefix, which)
+     char *title; char *question; char *replyPrefix; char *which;
+{
+  ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
+  if (pr == NoProc) return;
+  AskQuestion(title, question, replyPrefix, pr);
+}
+
+void
+DisplayMove(moveNumber)
+     int moveNumber;
+{
+    char message[MSG_SIZ];
+    char res[MSG_SIZ];
+    char cpThinkOutput[MSG_SIZ];
+
+    if(appData.noGUI) return; // [HGM] fast: suppress display of moves
+    
+    if (moveNumber == forwardMostMove - 1 || 
+       gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
+
+       safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
+
+        if (strchr(cpThinkOutput, '\n')) {
+           *strchr(cpThinkOutput, '\n') = NULLCHAR;
+        }
+    } else {
+       *cpThinkOutput = NULLCHAR;
+    }
+
+    /* [AS] Hide thinking from human user */
+    if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
+        *cpThinkOutput = NULLCHAR;
+        if( thinkOutput[0] != NULLCHAR ) {
+            int i;
+
+            for( i=0; i<=hiddenThinkOutputState; i++ ) {
+                cpThinkOutput[i] = '.';
+            }
+            cpThinkOutput[i] = NULLCHAR;
+            hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
+        }
+    }
+
+    if (moveNumber == forwardMostMove - 1 &&
+       gameInfo.resultDetails != NULL) {
+       if (gameInfo.resultDetails[0] == NULLCHAR) {
+           sprintf(res, " %s", PGNResult(gameInfo.result));
+       } else {
+           sprintf(res, " {%s} %s",
+                   gameInfo.resultDetails, PGNResult(gameInfo.result));
+       }
+    } else {
+       res[0] = NULLCHAR;
+    }
+
+    if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
+       DisplayMessage(res, cpThinkOutput);
+    } else {
+       sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
+               WhiteOnMove(moveNumber) ? " " : ".. ",
+               parseList[moveNumber], res);
+       DisplayMessage(message, cpThinkOutput);
+    }
+}
+
+void
+DisplayAnalysisText(text)
+     char *text;
+{
+    char buf[MSG_SIZ];
+
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile 
+               || appData.icsEngineAnalyze) {
+       sprintf(buf, "Analysis (%s)", first.tidy);
+       AnalysisPopUp(buf, text);
+    }
+}
+
+static int
+only_one_move(str)
+     char *str;
+{
+    while (*str && isspace(*str)) ++str;
+    while (*str && !isspace(*str)) ++str;
+    if (!*str) return 1;
+    while (*str && isspace(*str)) ++str;
+    if (!*str) return 1;
+    return 0;
+}
+
+void
+DisplayAnalysis()
+{
+    char buf[MSG_SIZ];
+    char lst[MSG_SIZ / 2];
+    double nps;
+    static char *xtra[] = { "", " (--)", " (++)" };
+    int h, m, s, cs;
+  
+    if (programStats.time == 0) {
+       programStats.time = 1;
+    }
+  
+    if (programStats.got_only_move) {
+       safeStrCpy(buf, programStats.movelist, sizeof(buf));
+    } else {
+        safeStrCpy( lst, programStats.movelist, sizeof(lst));
+
+        nps = (u64ToDouble(programStats.nodes) /
+             ((double)programStats.time /100.0));
+
+       cs = programStats.time % 100;
+       s = programStats.time / 100;
+       h = (s / (60*60));
+       s = s - h*60*60;
+       m = (s/60);
+       s = s - m*60;
+
+       if (programStats.moves_left > 0 && appData.periodicUpdates) {
+         if (programStats.move_name[0] != NULLCHAR) {
+           sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
+                   programStats.depth,
+                   programStats.nr_moves-programStats.moves_left,
+                   programStats.nr_moves, programStats.move_name,
+                   ((float)programStats.score)/100.0, lst,
+                   only_one_move(lst)?
+                   xtra[programStats.got_fail] : "",
+                   (u64)programStats.nodes, (int)nps, h, m, s, cs);
+         } else {
+           sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
+                   programStats.depth,
+                   programStats.nr_moves-programStats.moves_left,
+                   programStats.nr_moves, ((float)programStats.score)/100.0,
+                   lst,
+                   only_one_move(lst)?
+                   xtra[programStats.got_fail] : "",
+                   (u64)programStats.nodes, (int)nps, h, m, s, cs);
+         }
+       } else {
+           sprintf(buf, "depth=%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
+                   programStats.depth,
+                   ((float)programStats.score)/100.0,
+                   lst,
+                   only_one_move(lst)?
+                   xtra[programStats.got_fail] : "",
+                   (u64)programStats.nodes, (int)nps, h, m, s, cs);
+       }
+    }
+    DisplayAnalysisText(buf);
+}
+
+void
+DisplayComment(moveNumber, text)
+     int moveNumber;
+     char *text;
+{
+    char title[MSG_SIZ];
+    char buf[8000]; // comment can be long!
+    int score, depth;
+
+    if( appData.autoDisplayComment ) {
+        if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
+           strcpy(title, "Comment");
+        } else {
+           sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
+                   WhiteOnMove(moveNumber) ? " " : ".. ",
+                   parseList[moveNumber]);
+        }
+       // [HGM] PV info: display PV info together with (or as) comment
+       if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
+           if(text == NULL) text = "";                                           
+           score = pvInfoList[moveNumber].score;
+           sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
+                              depth, (pvInfoList[moveNumber].time+50)/100, text);
+           text = buf;
+       }
+    } else title[0] = 0;
+
+    if (text != NULL)
+        CommentPopUp(title, text);
+}
+
+/* This routine sends a ^C interrupt to gnuchess, to awaken it if it
+ * might be busy thinking or pondering.  It can be omitted if your
+ * gnuchess is configured to stop thinking immediately on any user
+ * input.  However, that gnuchess feature depends on the FIONREAD
+ * ioctl, which does not work properly on some flavors of Unix.
+ */
+void
+Attention(cps)
+     ChessProgramState *cps;
+{
+#if ATTENTION
+    if (!cps->useSigint) return;
+    if (appData.noChessProgram || (cps->pr == NoProc)) return;
+    switch (gameMode) {
+      case MachinePlaysWhite:
+      case MachinePlaysBlack:
+      case TwoMachinesPlay:
+      case IcsPlayingWhite:
+      case IcsPlayingBlack:
+      case AnalyzeMode:
+      case AnalyzeFile:
+       /* Skip if we know it isn't thinking */
+       if (!cps->maybeThinking) return;
+       if (appData.debugMode)
+         fprintf(debugFP, "Interrupting %s\n", cps->which);
+       InterruptChildProcess(cps->pr);
+       cps->maybeThinking = FALSE;
+       break;
+      default:
+       break;
+    }
+#endif /*ATTENTION*/
+}
+
+int
+CheckFlags()
+{
+    if (whiteTimeRemaining <= 0) {
+       if (!whiteFlag) {
+           whiteFlag = TRUE;
+           if (appData.icsActive) {
+               if (appData.autoCallFlag &&
+                   gameMode == IcsPlayingBlack && !blackFlag) {
+                 SendToICS(ics_prefix);
+                 SendToICS("flag\n");
+               }
+           } else {
+               if (blackFlag) {
+                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
+               } else {
+                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
+                   if (appData.autoCallFlag) {
+                       GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
+                       return TRUE;
+                   }
+               }
+           }
+       }
+    }
+    if (blackTimeRemaining <= 0) {
+       if (!blackFlag) {
+           blackFlag = TRUE;
+           if (appData.icsActive) {
+               if (appData.autoCallFlag &&
+                   gameMode == IcsPlayingWhite && !whiteFlag) {
+                 SendToICS(ics_prefix);
+                 SendToICS("flag\n");
+               }
+           } else {
+               if (whiteFlag) {
+                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
+               } else {
+                    if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
+                   if (appData.autoCallFlag) {
+                       GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
+                       return TRUE;
+                   }
+               }
+           }
+       }
+    }
+    return FALSE;
+}
+
+void
+CheckTimeControl()
+{
+    if (!appData.clockMode || appData.icsActive ||
+       gameMode == PlayFromGameFile || forwardMostMove == 0) return;
+
+    /*
+     * add time to clocks when time control is achieved ([HGM] now also used for increment)
+     */
+    if ( !WhiteOnMove(forwardMostMove) )
+       /* White made time control */
+        whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
+        /* [HGM] time odds: correct new time quota for time odds! */
+                                            / WhitePlayer()->timeOdds;
+      else
+       /* Black made time control */
+        blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
+                                            / WhitePlayer()->other->timeOdds;
+}
+
+void
+DisplayBothClocks()
+{
+    int wom = gameMode == EditPosition ?
+      !blackPlaysFirst : WhiteOnMove(currentMove);
+    DisplayWhiteClock(whiteTimeRemaining, wom);
+    DisplayBlackClock(blackTimeRemaining, !wom);
+}
+
+
+/* Timekeeping seems to be a portability nightmare.  I think everyone
+   has ftime(), but I'm really not sure, so I'm including some ifdefs
+   to use other calls if you don't.  Clocks will be less accurate if
+   you have neither ftime nor gettimeofday.
+*/
+
+/* VS 2008 requires the #include outside of the function */
+#if !HAVE_GETTIMEOFDAY && HAVE_FTIME
+#include <sys/timeb.h>
+#endif
+
+/* Get the current time as a TimeMark */
+void
+GetTimeMark(tm)
+     TimeMark *tm;
+{
+#if HAVE_GETTIMEOFDAY
+
+    struct timeval timeVal;
+    struct timezone timeZone;
+
+    gettimeofday(&timeVal, &timeZone);
+    tm->sec = (long) timeVal.tv_sec; 
+    tm->ms = (int) (timeVal.tv_usec / 1000L);
+
+#else /*!HAVE_GETTIMEOFDAY*/
+#if HAVE_FTIME
+
+// include <sys/timeb.h> / moved to just above start of function
+    struct timeb timeB;
+
+    ftime(&timeB);
+    tm->sec = (long) timeB.time;
+    tm->ms = (int) timeB.millitm;
+
+#else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
+    tm->sec = (long) time(NULL);
+    tm->ms = 0;
+#endif
+#endif
+}
+
+/* Return the difference in milliseconds between two
+   time marks.  We assume the difference will fit in a long!
+*/
+long
+SubtractTimeMarks(tm2, tm1)
+     TimeMark *tm2, *tm1;
+{
+    return 1000L*(tm2->sec - tm1->sec) +
+           (long) (tm2->ms - tm1->ms);
+}
+
+
+/*
+ * Code to manage the game clocks.
+ *
+ * In tournament play, black starts the clock and then white makes a move.
+ * We give the human user a slight advantage if he is playing white---the
+ * clocks don't run until he makes his first move, so it takes zero time.
+ * Also, we don't account for network lag, so we could get out of sync
+ * with GNU Chess's clock -- but then, referees are always right.  
+ */
+
+static TimeMark tickStartTM;
+static long intendedTickLength;
+
+long
+NextTickLength(timeRemaining)
+     long timeRemaining;
+{
+    long nominalTickLength, nextTickLength;
+
+    if (timeRemaining > 0L && timeRemaining <= 10000L)
+      nominalTickLength = 100L;
+    else
+      nominalTickLength = 1000L;
+    nextTickLength = timeRemaining % nominalTickLength;
+    if (nextTickLength <= 0) nextTickLength += nominalTickLength;
+
+    return nextTickLength;
+}
+
+/* Adjust clock one minute up or down */
+void
+AdjustClock(Boolean which, int dir)
+{
+    if(which) blackTimeRemaining += 60000*dir;
+    else      whiteTimeRemaining += 60000*dir;
+    DisplayBothClocks();
+}
+
+/* Stop clocks and reset to a fresh time control */
+void
+ResetClocks() 
+{
+    (void) StopClockTimer();
+    if (appData.icsActive) {
+       whiteTimeRemaining = blackTimeRemaining = 0;
+    } else { /* [HGM] correct new time quote for time odds */
+        whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
+        blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
+    }
+    if (whiteFlag || blackFlag) {
+       DisplayTitle("");
+       whiteFlag = blackFlag = FALSE;
+    }
+    DisplayBothClocks();
+}
+
+#define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
+
+/* Decrement running clock by amount of time that has passed */
+void
+DecrementClocks()
+{
+    long timeRemaining;
+    long lastTickLength, fudge;
+    TimeMark now;
+
+    if (!appData.clockMode) return;
+    if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
+       
+    GetTimeMark(&now);
+
+    lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
+
+    /* Fudge if we woke up a little too soon */
+    fudge = intendedTickLength - lastTickLength;
+    if (fudge < 0 || fudge > FUDGE) fudge = 0;
+
+    if (WhiteOnMove(forwardMostMove)) {
+       if(whiteNPS >= 0) lastTickLength = 0;
+       timeRemaining = whiteTimeRemaining -= lastTickLength;
+       DisplayWhiteClock(whiteTimeRemaining - fudge,
+                         WhiteOnMove(currentMove));
+    } else {
+       if(blackNPS >= 0) lastTickLength = 0;
+       timeRemaining = blackTimeRemaining -= lastTickLength;
+       DisplayBlackClock(blackTimeRemaining - fudge,
+                         !WhiteOnMove(currentMove));
+    }
+
+    if (CheckFlags()) return;
+       
+    tickStartTM = now;
+    intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
+    StartClockTimer(intendedTickLength);
+
+    /* if the time remaining has fallen below the alarm threshold, sound the
+     * alarm. if the alarm has sounded and (due to a takeback or time control
+     * with increment) the time remaining has increased to a level above the
+     * threshold, reset the alarm so it can sound again. 
+     */
+    
+    if (appData.icsActive && appData.icsAlarm) {
+
+       /* make sure we are dealing with the user's clock */
+       if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
+              ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
+          )) return;
+
+       if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
+           alarmSounded = FALSE;
+       } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) { 
+           PlayAlarmSound();
+           alarmSounded = TRUE;
+       }
+    }
+}
+
+
+/* A player has just moved, so stop the previously running
+   clock and (if in clock mode) start the other one.
+   We redisplay both clocks in case we're in ICS mode, because
+   ICS gives us an update to both clocks after every move.
+   Note that this routine is called *after* forwardMostMove
+   is updated, so the last fractional tick must be subtracted
+   from the color that is *not* on move now.
+*/
+void
+SwitchClocks()
+{
+    long lastTickLength;
+    TimeMark now;
+    int flagged = FALSE;
+
+    GetTimeMark(&now);
+
+    if (StopClockTimer() && appData.clockMode) {
+       lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
+       if (WhiteOnMove(forwardMostMove)) {
+           if(blackNPS >= 0) lastTickLength = 0;
+           blackTimeRemaining -= lastTickLength;
+           /* [HGM] PGNtime: save time for PGN file if engine did not give it */
+//         if(pvInfoList[forwardMostMove-1].time == -1)
+                 pvInfoList[forwardMostMove-1].time =               // use GUI time
+                      (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
+       } else {
+          if(whiteNPS >= 0) lastTickLength = 0;
+          whiteTimeRemaining -= lastTickLength;
+           /* [HGM] PGNtime: save time for PGN file if engine did not give it */
+//         if(pvInfoList[forwardMostMove-1].time == -1)
+                 pvInfoList[forwardMostMove-1].time = 
+                      (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
+       }
+       flagged = CheckFlags();
+    }
+    CheckTimeControl();
+
+    if (flagged || !appData.clockMode) return;
+
+    switch (gameMode) {
+      case MachinePlaysBlack:
+      case MachinePlaysWhite:
+      case BeginningOfGame:
+       if (pausing) return;
+       break;
+
+      case EditGame:
+      case PlayFromGameFile:
+      case IcsExamining:
+       return;
+
+      default:
+       break;
+    }
+
+    tickStartTM = now;
+    intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
+      whiteTimeRemaining : blackTimeRemaining);
+    StartClockTimer(intendedTickLength);
+}
+       
+
+/* Stop both clocks */
+void
+StopClocks()
+{      
+    long lastTickLength;
+    TimeMark now;
+
+    if (!StopClockTimer()) return;
+    if (!appData.clockMode) return;
+
+    GetTimeMark(&now);
+
+    lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
+    if (WhiteOnMove(forwardMostMove)) {
+       if(whiteNPS >= 0) lastTickLength = 0;
+       whiteTimeRemaining -= lastTickLength;
+       DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
+    } else {
+       if(blackNPS >= 0) lastTickLength = 0;
+       blackTimeRemaining -= lastTickLength;
+       DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
+    }
+    CheckFlags();
+}
+       
+/* Start clock of player on move.  Time may have been reset, so
+   if clock is already running, stop and restart it. */
+void
+StartClocks()
+{
+    (void) StopClockTimer(); /* in case it was running already */
+    DisplayBothClocks();
+    if (CheckFlags()) return;
+
+    if (!appData.clockMode) return;
+    if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
+
+    GetTimeMark(&tickStartTM);
+    intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
+      whiteTimeRemaining : blackTimeRemaining);
+
+   /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
+    whiteNPS = blackNPS = -1; 
+    if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
+       || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
+       whiteNPS = first.nps;
+    if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
+       || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
+       blackNPS = first.nps;
+    if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
+       whiteNPS = second.nps;
+    if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
+       blackNPS = second.nps;
+    if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
+
+    StartClockTimer(intendedTickLength);
+}
+
+char *
+TimeString(ms)
+     long ms;
+{
+    long second, minute, hour, day;
+    char *sign = "";
+    static char buf[32];
+    
+    if (ms > 0 && ms <= 9900) {
+      /* convert milliseconds to tenths, rounding up */
+      double tenths = floor( ((double)(ms + 99L)) / 100.00 );
+
+      sprintf(buf, " %03.1f ", tenths/10.0);
+      return buf;
+    }
+
+    /* convert milliseconds to seconds, rounding up */
+    /* use floating point to avoid strangeness of integer division
+       with negative dividends on many machines */
+    second = (long) floor(((double) (ms + 999L)) / 1000.0);
+
+    if (second < 0) {
+       sign = "-";
+       second = -second;
+    }
+    
+    day = second / (60 * 60 * 24);
+    second = second % (60 * 60 * 24);
+    hour = second / (60 * 60);
+    second = second % (60 * 60);
+    minute = second / 60;
+    second = second % 60;
+    
+    if (day > 0)
+      sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
+             sign, day, hour, minute, second);
+    else if (hour > 0)
+      sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
+    else
+      sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
+    
+    return buf;
+}
+
+
+/*
+ * This is necessary because some C libraries aren't ANSI C compliant yet.
+ */
+char *
+StrStr(string, match)
+     char *string, *match;
+{
+    int i, length;
+    
+    length = strlen(match);
+    
+    for (i = strlen(string) - length; i >= 0; i--, string++)
+      if (!strncmp(match, string, length))
+       return string;
+    
+    return NULL;
+}
+
+char *
+StrCaseStr(string, match)
+     char *string, *match;
+{
+    int i, j, length;
+    
+    length = strlen(match);
+    
+    for (i = strlen(string) - length; i >= 0; i--, string++) {
+       for (j = 0; j < length; j++) {
+           if (ToLower(match[j]) != ToLower(string[j]))
+             break;
+       }
+       if (j == length) return string;
+    }
+
+    return NULL;
+}
+
+#ifndef _amigados
+int
+StrCaseCmp(s1, s2)
+     char *s1, *s2;
+{
+    char c1, c2;
+    
+    for (;;) {
+       c1 = ToLower(*s1++);
+       c2 = ToLower(*s2++);
+       if (c1 > c2) return 1;
+       if (c1 < c2) return -1;
+       if (c1 == NULLCHAR) return 0;
+    }
+}
+
+
+int
+ToLower(c)
+     int c;
+{
+    return isupper(c) ? tolower(c) : c;
+}
+
+
+int
+ToUpper(c)
+     int c;
+{
+    return islower(c) ? toupper(c) : c;
+}
+#endif /* !_amigados   */
+
+char *
+StrSave(s)
+     char *s;
+{
+    char *ret;
+
+    if ((ret = (char *) malloc(strlen(s) + 1))) {
+       strcpy(ret, s);
+    }
+    return ret;
+}
+
+char *
+StrSavePtr(s, savePtr)
+     char *s, **savePtr;
+{
+    if (*savePtr) {
+       free(*savePtr);
+    }
+    if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
+       strcpy(*savePtr, s);
+    }
+    return(*savePtr);
+}
+
+char *
+PGNDate()
+{
+    time_t clock;
+    struct tm *tm;
+    char buf[MSG_SIZ];
+
+    clock = time((time_t *)NULL);
+    tm = localtime(&clock);
+    sprintf(buf, "%04d.%02d.%02d",
+           tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
+    return StrSave(buf);
+}
+
+
+char *
+PositionToFEN(move, overrideCastling)
+     int move;
+     char *overrideCastling;
+{
+    int i, j, fromX, fromY, toX, toY;
+    int whiteToPlay;
+    char buf[128];
+    char *p, *q;
+    int emptycount;
+    ChessSquare piece;
+
+    whiteToPlay = (gameMode == EditPosition) ?
+      !blackPlaysFirst : (move % 2 == 0);
+    p = buf;
+
+    /* Piece placement data */
+    for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
+       emptycount = 0;
+        for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
+           if (boards[move][i][j] == EmptySquare) {
+               emptycount++;
+            } else { ChessSquare piece = boards[move][i][j];
+               if (emptycount > 0) {
+                    if(emptycount<10) /* [HGM] can be >= 10 */
+                        *p++ = '0' + emptycount;
+                    else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
+                   emptycount = 0;
+               }
+                if(PieceToChar(piece) == '+') {
+                    /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
+                    *p++ = '+';
+                    piece = (ChessSquare)(DEMOTED piece);
+                } 
+                *p++ = PieceToChar(piece);
+                if(p[-1] == '~') {
+                    /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
+                    p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
+                    *p++ = '~';
+                }
+           }
+       }
+       if (emptycount > 0) {
+            if(emptycount<10) /* [HGM] can be >= 10 */
+                *p++ = '0' + emptycount;
+            else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
+           emptycount = 0;
+       }
+       *p++ = '/';
+    }
+    *(p - 1) = ' ';
+
+    /* [HGM] print Crazyhouse or Shogi holdings */
+    if( gameInfo.holdingsWidth ) {
+        *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
+        q = p;
+        for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
+            piece = boards[move][i][BOARD_WIDTH-1];
+            if( piece != EmptySquare )
+              for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
+                  *p++ = PieceToChar(piece);
+        }
+        for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
+            piece = boards[move][BOARD_HEIGHT-i-1][0];
+            if( piece != EmptySquare )
+              for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
+                  *p++ = PieceToChar(piece);
+        }
+
+        if( q == p ) *p++ = '-';
+        *p++ = ']';
+        *p++ = ' ';
+    }
+
+    /* Active color */
+    *p++ = whiteToPlay ? 'w' : 'b';
+    *p++ = ' ';
+
+  if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
+    while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
+  } else {
+  if(nrCastlingRights) {
+     q = p;
+     if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
+       /* [HGM] write directly from rights */
+           if(castlingRights[move][2] >= 0 &&
+              castlingRights[move][0] >= 0   )
+                *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
+           if(castlingRights[move][2] >= 0 &&
+              castlingRights[move][1] >= 0   )
+                *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
+           if(castlingRights[move][5] >= 0 &&
+              castlingRights[move][3] >= 0   )
+                *p++ = castlingRights[move][3] + AAA;
+           if(castlingRights[move][5] >= 0 &&
+              castlingRights[move][4] >= 0   )
+                *p++ = castlingRights[move][4] + AAA;
+     } else {
+
+        /* [HGM] write true castling rights */
+        if( nrCastlingRights == 6 ) {
+            if(castlingRights[move][0] == BOARD_RGHT-1 &&
+               castlingRights[move][2] >= 0  ) *p++ = 'K';
+            if(castlingRights[move][1] == BOARD_LEFT &&
+               castlingRights[move][2] >= 0  ) *p++ = 'Q';
+            if(castlingRights[move][3] == BOARD_RGHT-1 &&
+               castlingRights[move][5] >= 0  ) *p++ = 'k';
+            if(castlingRights[move][4] == BOARD_LEFT &&
+               castlingRights[move][5] >= 0  ) *p++ = 'q';
+        }
+     }
+     if (q == p) *p++ = '-'; /* No castling rights */
+     *p++ = ' ';
+  }
+
+  if(gameInfo.variant != VariantShogi    && gameInfo.variant != VariantXiangqi &&
+     gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) { 
+    /* En passant target square */
+    if (move > backwardMostMove) {
+        fromX = moveList[move - 1][0] - AAA;
+        fromY = moveList[move - 1][1] - ONE;
+        toX = moveList[move - 1][2] - AAA;
+        toY = moveList[move - 1][3] - ONE;
+       if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
+           toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
+           boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
+           fromX == toX) {
+           /* 2-square pawn move just happened */
+            *p++ = toX + AAA;
+           *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
+       } else {
+           *p++ = '-';
+       }
+    } else {
+       *p++ = '-';
+    }
+    *p++ = ' ';
+  }
+  }
+
+    /* [HGM] find reversible plies */
+    {   int i = 0, j=move;
+
+        if (appData.debugMode) { int k;
+            fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
+            for(k=backwardMostMove; k<=forwardMostMove; k++)
+                fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
+
+        }
+
+        while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
+        if( j == backwardMostMove ) i += initialRulePlies;
+        sprintf(p, "%d ", i);
+        p += i>=100 ? 4 : i >= 10 ? 3 : 2;
+    }
+    /* Fullmove number */
+    sprintf(p, "%d", (move / 2) + 1);
+    
+    return StrSave(buf);
+}
+
+Boolean
+ParseFEN(board, blackPlaysFirst, fen)
+    Board board;
+     int *blackPlaysFirst;
+     char *fen;
+{
+    int i, j;
+    char *p;
+    int emptycount;
+    ChessSquare piece;
+
+    p = fen;
+
+    /* [HGM] by default clear Crazyhouse holdings, if present */
+    if(gameInfo.holdingsWidth) {
+       for(i=0; i<BOARD_HEIGHT; i++) {
+           board[i][0]             = EmptySquare; /* black holdings */
+           board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
+           board[i][1]             = (ChessSquare) 0; /* black counts */
+           board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
+       }
+    }
+
+    /* Piece placement data */
+    for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
+       j = 0;
+       for (;;) {
+            if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
+                if (*p == '/') p++;
+                emptycount = gameInfo.boardWidth - j;
+                while (emptycount--)
+                        board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
+               break;
+#if(BOARD_SIZE >= 10)
+            } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
+                p++; emptycount=10;
+                if (j + emptycount > gameInfo.boardWidth) return FALSE;
+                while (emptycount--)
+                        board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
+#endif
+            } else if (isdigit(*p)) {
+               emptycount = *p++ - '0';
+                while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
+                if (j + emptycount > gameInfo.boardWidth) return FALSE;
+                while (emptycount--)
+                        board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
+            } else if (*p == '+' || isalpha(*p)) {
+                if (j >= gameInfo.boardWidth) return FALSE;
+                if(*p=='+') {
+                    piece = CharToPiece(*++p);
+                    if(piece == EmptySquare) return FALSE; /* unknown piece */
+                    piece = (ChessSquare) (PROMOTED piece ); p++;
+                    if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
+                } else piece = CharToPiece(*p++);
+
+                if(piece==EmptySquare) return FALSE; /* unknown piece */
+                if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
+                    piece = (ChessSquare) (PROMOTED piece);
+                    if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
+                    p++;
+                }
+                board[i][(j++)+gameInfo.holdingsWidth] = piece;
+           } else {
+               return FALSE;
+           }
+       }
+    }
+    while (*p == '/' || *p == ' ') p++;
+
+    /* [HGM] look for Crazyhouse holdings here */
+    while(*p==' ') p++;
+    if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
+        if(*p == '[') p++;
+        if(*p == '-' ) *p++; /* empty holdings */ else {
+            if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
+            /* if we would allow FEN reading to set board size, we would   */
+            /* have to add holdings and shift the board read so far here   */
+            while( (piece = CharToPiece(*p) ) != EmptySquare ) {
+                *p++;
+                if((int) piece >= (int) BlackPawn ) {
+                    i = (int)piece - (int)BlackPawn;
+                   i = PieceToNumber((ChessSquare)i);
+                    if( i >= gameInfo.holdingsSize ) return FALSE;
+                    board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
+                    board[BOARD_HEIGHT-1-i][1]++;       /* black counts   */
+                } else {
+                    i = (int)piece - (int)WhitePawn;
+                   i = PieceToNumber((ChessSquare)i);
+                    if( i >= gameInfo.holdingsSize ) return FALSE;
+                    board[i][BOARD_WIDTH-1] = piece;    /* white holdings */
+                    board[i][BOARD_WIDTH-2]++;          /* black holdings */
+                }
+            }
+        }
+        if(*p == ']') *p++;
+    }
+
+    while(*p == ' ') p++;
+
+    /* Active color */
+    switch (*p++) {
+      case 'w':
+        *blackPlaysFirst = FALSE;
+       break;
+      case 'b': 
+       *blackPlaysFirst = TRUE;
+       break;
+      default:
+       return FALSE;
+    }
+
+    /* [HGM] We NO LONGER ignore the rest of the FEN notation */
+    /* return the extra info in global variiables             */
+
+    /* set defaults in case FEN is incomplete */
+    FENepStatus = EP_UNKNOWN;
+    for(i=0; i<nrCastlingRights; i++ ) {
+        FENcastlingRights[i] =
+            gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
+    }   /* assume possible unless obviously impossible */
+    if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
+    if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
+    if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
+    if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
+    if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
+    if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
+    FENrulePlies = 0;
+
+    while(*p==' ') p++;
+    if(nrCastlingRights) {
+      if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
+          /* castling indicator present, so default becomes no castlings */
+          for(i=0; i<nrCastlingRights; i++ ) {
+                 FENcastlingRights[i] = -1;
+          }
+      }
+      while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
+             (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
+             ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
+             ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth)   ) {
+        char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
+
+        for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
+            if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
+            if(board[0             ][i] == WhiteKing) whiteKingFile = i;
+        }
+        switch(c) {
+          case'K':
+              for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
+              FENcastlingRights[0] = i != whiteKingFile ? i : -1;
+              FENcastlingRights[2] = whiteKingFile;
+              break;
+          case'Q':
+              for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
+              FENcastlingRights[1] = i != whiteKingFile ? i : -1;
+              FENcastlingRights[2] = whiteKingFile;
+              break;
+          case'k':
+              for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
+              FENcastlingRights[3] = i != blackKingFile ? i : -1;
+              FENcastlingRights[5] = blackKingFile;
+              break;
+          case'q':
+              for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
+              FENcastlingRights[4] = i != blackKingFile ? i : -1;
+              FENcastlingRights[5] = blackKingFile;
+          case '-':
+              break;
+          default: /* FRC castlings */
+              if(c >= 'a') { /* black rights */
+                  for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
+                    if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
+                  if(i == BOARD_RGHT) break;
+                  FENcastlingRights[5] = i;
+                  c -= AAA;
+                  if(board[BOARD_HEIGHT-1][c] <  BlackPawn ||
+                     board[BOARD_HEIGHT-1][c] >= BlackKing   ) break;
+                  if(c > i)
+                      FENcastlingRights[3] = c;
+                  else
+                      FENcastlingRights[4] = c;
+              } else { /* white rights */
+                  for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
+                    if(board[0][i] == WhiteKing) break;
+                  if(i == BOARD_RGHT) break;
+                  FENcastlingRights[2] = i;
+                  c -= AAA - 'a' + 'A';
+                  if(board[0][c] >= WhiteKing) break;
+                  if(c > i)
+                      FENcastlingRights[0] = c;
+                  else
+                      FENcastlingRights[1] = c;
+              }
+        }
+      }
+    if (appData.debugMode) {
+        fprintf(debugFP, "FEN castling rights:");
+        for(i=0; i<nrCastlingRights; i++)
+        fprintf(debugFP, " %d", FENcastlingRights[i]);
+        fprintf(debugFP, "\n");
+    }
+
+      while(*p==' ') p++;
+    }
+
+    /* read e.p. field in games that know e.p. capture */
+    if(gameInfo.variant != VariantShogi    && gameInfo.variant != VariantXiangqi &&
+       gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) { 
+      if(*p=='-') {
+        p++; FENepStatus = EP_NONE;
+      } else {
+         char c = *p++ - AAA;
+
+         if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
+         if(*p >= '0' && *p <='9') *p++;
+         FENepStatus = c;
+      }
+    }
+
+
+    if(sscanf(p, "%d", &i) == 1) {
+        FENrulePlies = i; /* 50-move ply counter */
+        /* (The move number is still ignored)    */
+    }
+
+    return TRUE;
+}
+      
+void
+EditPositionPasteFEN(char *fen)
+{
+  if (fen != NULL) {
+    Board initial_position;
+
+    if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
+      DisplayError(_("Bad FEN position in clipboard"), 0);
+      return ;
+    } else {
+      int savedBlackPlaysFirst = blackPlaysFirst;
+      EditPositionEvent();
+      blackPlaysFirst = savedBlackPlaysFirst;
+      CopyBoard(boards[0], initial_position);
+          /* [HGM] copy FEN attributes as well */
+          {   int i;
+              initialRulePlies = FENrulePlies;
+              epStatus[0] = FENepStatus;
+              for( i=0; i<nrCastlingRights; i++ )
+                  castlingRights[0][i] = FENcastlingRights[i];
+          }
+      EditPositionDone();
+      DisplayBothClocks();
+      DrawPosition(FALSE, boards[currentMove]);
+    }
+  }
+}