Lock game an position file during writing
[xboard.git] / backend.c
index 4c9390e..9ecc707 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -5,7 +5,7 @@
  * Massachusetts.
  *
  * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
  *
  * Enhancements Copyright 2005 Alessandro Scotti
  *
@@ -57,6 +57,9 @@
 
 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
 
+int flock(int f, int code);
+#define LOCK_EX 2
+
 #else
 
 #define DoSleep( n ) if( (n) >= 0) sleep(n)
@@ -267,6 +270,10 @@ char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
 extern int chatCount;
 int chattingPartner;
 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
+char lastMsg[MSG_SIZ];
+ChessSquare pieceSweep = EmptySquare;
+ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
+int promoDefaultAltered;
 
 /* States for ics_getting_history */
 #define H_FALSE 0
@@ -322,7 +329,7 @@ safeStrCpy( char *dst, const char *src, size_t count )
     {
       dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
       if(appData.debugMode)
-      fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
+      fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
     }
 
   return dst;
@@ -516,6 +523,13 @@ ChessSquare  KnightmateArray[2][BOARD_FILES] = {
         BlackUnicorn, BlackBishop, BlackMan, BlackRook }
 };
 
+ChessSquare SpartanArray[2][BOARD_FILES] = {
+    { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
+        WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
+    { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
+        BlackDragon, BlackKing, BlackAngel, BlackAlfil }
+};
+
 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
     { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
         WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
@@ -649,6 +663,194 @@ ClearProgramStats()
 }
 
 void
+CommonEngineInit()
+{   // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
+    if (appData.firstPlaysBlack) {
+       first.twoMachinesColor = "black\n";
+       second.twoMachinesColor = "white\n";
+    } else {
+       first.twoMachinesColor = "white\n";
+       second.twoMachinesColor = "black\n";
+    }
+
+    first.other = &second;
+    second.other = &first;
+
+    { float norm = 1;
+        if(appData.timeOddsMode) {
+            norm = appData.timeOdds[0];
+            if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
+        }
+        first.timeOdds  = appData.timeOdds[0]/norm;
+        second.timeOdds = appData.timeOdds[1]/norm;
+    }
+
+    if(programVersion) free(programVersion);
+    if (appData.noChessProgram) {
+       programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
+       sprintf(programVersion, "%s", PACKAGE_STRING);
+    } else {
+      /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
+      programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
+      sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
+    }
+}
+
+void
+UnloadEngine(ChessProgramState *cps)
+{
+       /* Kill off first chess program */
+       if (cps->isr != NULL)
+         RemoveInputSource(cps->isr);
+       cps->isr = NULL;
+
+       if (cps->pr != NoProc) {
+           ExitAnalyzeMode();
+            DoSleep( appData.delayBeforeQuit );
+           SendToProgram("quit\n", cps);
+            DoSleep( appData.delayAfterQuit );
+           DestroyChildProcess(cps->pr, cps->useSigterm);
+       }
+       cps->pr = NoProc;
+}
+
+void
+ClearOptions(ChessProgramState *cps)
+{
+    int i;
+    cps->nrOptions = cps->comboCnt = 0;
+    for(i=0; i<MAX_OPTIONS; i++) {
+       cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
+       cps->option[i].textValue = 0;
+    }
+}
+
+char *engineNames[] = {
+"first",
+"second"
+};
+
+InitEngine(ChessProgramState *cps, int n)
+{   // [HGM] all engine initialiation put in a function that does one engine
+
+    ClearOptions(cps);
+
+    cps->which = engineNames[n];
+    cps->maybeThinking = FALSE;
+    cps->pr = NoProc;
+    cps->isr = NULL;
+    cps->sendTime = 2;
+    cps->sendDrawOffers = 1;
+
+    cps->program = appData.chessProgram[n];
+    cps->host = appData.host[n];
+    cps->dir = appData.directory[n];
+    cps->initString = appData.engInitString[n];
+    cps->computerString = appData.computerString[n];
+    cps->useSigint  = TRUE;
+    cps->useSigterm = TRUE;
+    cps->reuse = appData.reuse[n];
+    cps->nps = appData.NPS[n];   // [HGM] nps: copy nodes per second
+    cps->useSetboard = FALSE;
+    cps->useSAN = FALSE;
+    cps->usePing = FALSE;
+    cps->lastPing = 0;
+    cps->lastPong = 0;
+    cps->usePlayother = FALSE;
+    cps->useColors = TRUE;
+    cps->useUsermove = FALSE;
+    cps->sendICS = FALSE;
+    cps->sendName = appData.icsActive;
+    cps->sdKludge = FALSE;
+    cps->stKludge = FALSE;
+    TidyProgramName(cps->program, cps->host, cps->tidy);
+    cps->matchWins = 0;
+    safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
+    cps->analysisSupport = 2; /* detect */
+    cps->analyzing = FALSE;
+    cps->initDone = FALSE;
+
+    /* New features added by Tord: */
+    cps->useFEN960 = FALSE;
+    cps->useOOCastle = TRUE;
+    /* End of new features added by Tord. */
+    cps->fenOverride  = appData.fenOverride[n];
+
+    /* [HGM] time odds: set factor for each machine */
+    cps->timeOdds  = appData.timeOdds[n];
+
+    /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
+    cps->accumulateTC = appData.accumulateTC[n];
+    cps->maxNrOfSessions = 1;
+
+    /* [HGM] debug */
+    cps->debug = FALSE;
+    cps->supportsNPS = UNKNOWN;
+
+    /* [HGM] options */
+    cps->optionSettings  = appData.engOptions[n];
+
+    cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
+    cps->isUCI = appData.isUCI[n]; /* [AS] */
+    cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
+
+    if (appData.protocolVersion[n] > PROTOVER
+       || appData.protocolVersion[n] < 1)
+      {
+       char buf[MSG_SIZ];
+       int len;
+
+       len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
+                      appData.protocolVersion[n]);
+       if( (len > MSG_SIZ) && appData.debugMode )
+         fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
+
+       DisplayFatalError(buf, 0, 2);
+      }
+    else
+      {
+       cps->protocolVersion = appData.protocolVersion[n];
+      }
+
+    InitEngineUCI( installDir, cps );  // [HGM] moved here from winboard.c, to make available in xboard
+}
+
+ChessProgramState *savCps;
+
+void
+LoadEngine()
+{
+    int i;
+    if(WaitForEngine(savCps, LoadEngine)) return;
+    CommonEngineInit(); // recalculate time odds
+    if(gameInfo.variant != StringToVariant(appData.variant)) {
+       // we changed variant when loading the engine; this forces us to reset
+       Reset(TRUE, savCps != &first);
+       EditGameEvent(); // for consistency with other path, as Reset changes mode
+    }
+    InitChessProgram(savCps, FALSE);
+    SendToProgram("force\n", savCps);
+    DisplayMessage("", "");
+    if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
+    for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
+    ThawUI();
+    SetGNUMode();
+}
+
+void
+ReplaceEngine(ChessProgramState *cps, int n)
+{
+    EditGameEvent();
+    UnloadEngine(cps);
+    appData.noChessProgram = False;
+    appData.clockMode = True;
+    InitEngine(cps, n);
+    if(n) return; // only startup first engine immediately; second can wait
+    savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
+    LoadEngine();
+}
+
+void
 InitBackEnd1()
 {
     int matched, min, sec;
@@ -730,137 +932,12 @@ InitBackEnd1()
     /* [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;
-    safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
-    safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
-    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;
-    { float 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];
-       int len;
-
-       len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
-                      appData.firstProtocolVersion);
-       if( (len > MSG_SIZ) && appData.debugMode )
-         fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
-
-       DisplayFatalError(buf, 0, 2);
-      }
-    else
-      {
-       first.protocolVersion = appData.firstProtocolVersion;
-      }
-
-    if (appData.secondProtocolVersion > PROTOVER
-       || appData.secondProtocolVersion < 1)
-      {
-       char buf[MSG_SIZ];
-       int len;
-
-       len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
-                      appData.secondProtocolVersion);
-       if( (len > MSG_SIZ) && appData.debugMode )
-         fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
-
-       DisplayFatalError(buf, 0, 2);
-      }
-    else
-      {
-       second.protocolVersion = appData.secondProtocolVersion;
-      }
+    InitEngine(&first, 0);
+    InitEngine(&second, 1);
+    CommonEngineInit();
 
     if (appData.icsActive) {
         appData.clockMode = TRUE;  /* changes dynamically in ICS mode */
-//    } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
     } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
        appData.clockMode = FALSE;
        first.sendTime = second.sendTime = 0;
@@ -876,15 +953,6 @@ InitBackEnd1()
     }
 #endif
 
-    if (appData.noChessProgram) {
-       programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
-       sprintf(programVersion, "%s", PACKAGE_STRING);
-    } else {
-      /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
-      programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
-      sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
-    }
-
     if (!appData.icsActive) {
       char buf[MSG_SIZ];
       int len;
@@ -955,12 +1023,11 @@ InitBackEnd1()
       case VariantSuper:      /* experimental */
       case VariantGreat:      /* experimental, requires legality testing to be off */
       case VariantSChess:     /* S-Chess, should work */
+      case VariantSpartan:    /* should work */
        break;
       }
     }
 
-    InitEngineUCI( installDir, &first );  // [HGM] moved here from winboard.c, to make available in xboard
-    InitEngineUCI( installDir, &second );
 }
 
 int NextIntegerFromString( char ** str, long * value )
@@ -1165,6 +1232,40 @@ InitBackEnd2()
 }
 
 void
+MatchEvent(int mode)
+{      // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
+       /* Set up machine vs. machine match */
+       if (appData.noChessProgram) {
+           DisplayFatalError(_("Can't have a match with no chess programs"),
+                             0, 2);
+           return;
+       }
+       matchMode = mode;
+       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;
+           }
+       }
+       first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches\r
+       TwoMachinesEvent();
+}
+
+void
 InitBackEnd3 P((void))
 {
     GameMode initialMode;
@@ -1224,6 +1325,12 @@ InitBackEnd3 P((void))
     DisplayMessage("", "");
     if (StrCaseCmp(appData.initialMode, "") == 0) {
       initialMode = BeginningOfGame;
+      if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
+        gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
+        ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
+        gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
+        ModeHighlight();
+      }
     } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
       initialMode = TwoMachinesPlay;
     } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
@@ -1250,34 +1357,7 @@ InitBackEnd3 P((void))
     }
 
     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();
+       MatchEvent(TRUE);
     } else if (*appData.cmailGameName != NULLCHAR) {
        /* Set up cmail mode */
        ReloadCmailMsgEvent(TRUE);
@@ -2853,7 +2933,7 @@ read_from_ics(isr, closure, data, count, error)
 
                if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
                for(p=0; p<MAX_CHAT; p++) {
-                   if(channel == atoi(chatPartner[p])) {
+                   if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
                    talker[0] = '['; strcat(talker, "] ");
                    Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
                    chattingPartner = p; break;
@@ -2908,9 +2988,9 @@ read_from_ics(isr, closure, data, count, error)
                }
            } // [HGM] chat: end of patch
 
+          backup = i;
            if (appData.zippyTalk || appData.zippyPlay) {
                 /* [DM] Backup address for color zippy lines */
-                backup = i;
 #if ZIPPY
                if (loggedOn == TRUE)
                        if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
@@ -3075,6 +3155,8 @@ read_from_ics(isr, closure, data, count, error)
                    continue;
            }
 
+          if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
+
            if (looking_at(buf, &i, "\\   ")) {
                if (prevColor != ColorNormal) {
                    if (oldi > next_out) {
@@ -4360,7 +4442,8 @@ ParseBoard12(string)
            safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
            strcat(moveList[moveNum - 1], "\n");
 
-            if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
+            if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper
+                                 && gameInfo.variant != VariantGreat) // inherit info that ICS does not give from previous board
               for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
                 ChessSquare old, new = boards[moveNum][k][j];
                   if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
@@ -4802,6 +4885,59 @@ ProcessICSInitScript(f)
 }
 
 
+static int lastX, lastY, selectFlag, dragging;
+
+void
+Sweep(int step)
+{
+    ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
+    if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
+    if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
+    if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
+    if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
+    if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
+    do {
+       promoSweep -= step;
+       if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
+       else if((int)promoSweep == -1) promoSweep = WhiteKing;
+       else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
+       else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
+       if(!step) step = 1;
+    } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
+           appData.testLegality && (promoSweep == king ||
+           gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
+    ChangeDragPiece(promoSweep);
+}
+
+int PromoScroll(int x, int y)
+{
+  int step = 0;
+
+  if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
+  if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
+  if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
+  if(!step) return FALSE;
+  lastX = x; lastY = y;
+  if((promoSweep < BlackPawn) == flipView) step = -step;
+  if(step > 0) selectFlag = 1;
+  if(!selectFlag) Sweep(step);
+  return FALSE;
+}
+
+void
+NextPiece(int step)
+{
+    ChessSquare piece = boards[currentMove][toY][toX];
+    do {
+       pieceSweep -= step;
+       if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
+       if((int)pieceSweep == -1) pieceSweep = BlackKing;
+       if(!step) step = -1;
+    } while(PieceToChar(pieceSweep) == '.');
+    boards[currentMove][toY][toX] = pieceSweep;
+    DrawPosition(FALSE, boards[currentMove]);
+    boards[currentMove][toY][toX] = piece;
+}
 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
 void
 AlphaRank(char *move, int n)
@@ -4991,6 +5127,9 @@ fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, f
     moveList[endPV-1][1] = fromY + ONE;
     moveList[endPV-1][2] = toX + AAA;
     moveList[endPV-1][3] = toY + ONE;
+    moveList[endPV-1][4] = promoChar;
+    moveList[endPV-1][5] = NULLCHAR;
+    strncat(moveList[endPV-1], "\n", MOVE_LEN);
     if(storeComments)
        CoordsToAlgebraic(boards[endPV - 1],
                             PosFlags(endPV - 1),
@@ -5006,8 +5145,6 @@ fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, f
   DrawPosition(TRUE, boards[currentMove]);
 }
 
-static int lastX, lastY;
-
 Boolean
 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
 {
@@ -5053,13 +5190,17 @@ MovePV(int x, int y, int h)
 { // step through PV based on mouse coordinates (called on mouse move)
   int margin = h>>3, step = 0;
 
-  if(endPV < 0) return;
   // we must somehow check if right button is still down (might be released off board!)
-  if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
-  if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
-  if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
+  if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
+  if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
+  if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
   if(!step) return;
   lastX = x; lastY = y;
+
+  if(pieceSweep != EmptySquare) { NextPiece(step); return; }
+  if(endPV < 0) return;
+  if(y < margin) step = 1; else
+  if(y > h - margin) step = -1;
   if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
   currentMove += step;
   if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
@@ -5292,8 +5433,8 @@ InitPosition(redraw)
     int i, j, pawnRow, overrule,
     oldx = gameInfo.boardWidth,
     oldy = gameInfo.boardHeight,
-    oldh = gameInfo.holdingsWidth,
-    oldv = gameInfo.variant;
+    oldh = gameInfo.holdingsWidth;
+    static int oldv;
 
     if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
 
@@ -5410,6 +5551,10 @@ InitPosition(redraw)
       pieces = KnightmateArray;
       SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
       break;
+    case VariantSpartan:
+      pieces = SpartanArray;
+      SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
+      break;
     case VariantFairy:
       pieces = fairyArray;
       SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
@@ -5480,7 +5625,7 @@ InitPosition(redraw)
         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;
+        initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
         if(gameInfo.variant == VariantXiangqi) {
             if(j&1) {
                 initialPosition[pawnRow][j] =
@@ -5551,18 +5696,12 @@ InitPosition(redraw)
 
     if(oldx != gameInfo.boardWidth ||
        oldy != gameInfo.boardHeight ||
+       oldv != gameInfo.variant ||
        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);
 
+    oldv = gameInfo.variant;
     if (redraw)
       DrawPosition(TRUE, boards[currentMove]);
 }
@@ -5638,6 +5777,21 @@ SendBoard(cps, moveNum)
     setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
 }
 
+ChessSquare
+DefaultPromoChoice(int white)
+{
+    ChessSquare result;
+    if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
+       result = WhiteFerz; // no choice
+    else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
+       result= WhiteKing; // in Suicide Q is the last thing we want
+    else if(gameInfo.variant == VariantSpartan)
+       result = white ? WhiteQueen : WhiteAngel;
+    else result = WhiteQueen;
+    if(!white) result = WHITE_TO_BLACK result;
+    return result;
+}
+
 static int autoQueen; // [HGM] oneclick
 
 int
@@ -5665,6 +5819,12 @@ HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
         promotionZoneSize = 3;
     }
 
+    // Treat Lance as Pawn when it is not representing Amazon
+    if(gameInfo.variant != VariantSuper) {
+        if(piece == WhiteLance) piece = WhitePawn; else
+        if(piece == BlackLance) piece = BlackPawn;
+    }
+
     // next weed out all moves that do not touch the promotion zone at all
     if((int)piece >= BlackPawn) {
         if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
@@ -5715,12 +5875,13 @@ HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
        *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
        return FALSE;
     }
-    if(autoQueen) { // predetermined
-       if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
-            *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
-       else *promoChoice = PieceToChar(BlackQueen);
-       return FALSE;
-    }
+    // give caller the default choice even if we will not make it
+    *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
+    if(gameInfo.variant == VariantShogi) *promoChoice = '+';
+    if(appData.sweepSelect && gameInfo.variant != VariantGreat
+                          && gameInfo.variant != VariantShogi
+                          && gameInfo.variant != VariantSuper) return FALSE;
+    if(autoQueen) return FALSE; // predetermined
 
     // suppress promotion popup on illegal moves that are not premoves
     premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
@@ -5970,6 +6131,7 @@ UserMoveEvent(fromX, fromY, toX, toY, promoChar)
       case BeginningOfGame:
       case AnalyzeMode:
       case Training:
+       if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
        if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
             (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
            /* User is moving for Black */
@@ -6064,7 +6226,7 @@ UserMoveEvent(fromX, fromY, toX, toY, promoChar)
     pup = boards[currentMove][toY][toX];
 
     /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
-    if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) { 
+    if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
          if( pup != EmptySquare ) return;
          moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
           if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n", 
@@ -6172,7 +6334,10 @@ FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
 
   MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
 
-  if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
+  if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
+    ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+    return 1;
+  }
 
   if (gameMode == BeginningOfGame) {
     if (appData.noChessProgram) {
@@ -6227,6 +6392,7 @@ FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
 
   switch (gameMode) {
   case EditGame:
+    if(appData.testLegality)
     switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
     case MT_NONE:
     case MT_CHECK:
@@ -6256,6 +6422,7 @@ FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
   }
 
   userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
+  promoDefaultAltered = FALSE; // [HGM] fall back on default choice
 
   if(bookHit) { // [HGM] book: simulate book reply
        static char bookMove[MSG_SIZ]; // a bit generous?
@@ -6324,12 +6491,27 @@ Explode(Board board, int fromX, int fromY, int toX, int toY)
 
 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
 
+int CanPromote(ChessSquare piece, int y)
+{
+       if(gameMode == EditPosition) return FALSE; // no promotions when editing position
+       // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
+       if(gameInfo.variant == VariantShogi    || gameInfo.variant == VariantXiangqi ||
+          gameInfo.variant == VariantSuper    || gameInfo.variant == VariantGreat   ||
+          gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
+                                                 gameInfo.variant == VariantMakruk) return FALSE;
+       return (piece == BlackPawn && y == 1 ||
+               piece == WhitePawn && y == BOARD_HEIGHT-2 ||
+               piece == BlackLance && y == 1 ||
+               piece == WhiteLance && y == BOARD_HEIGHT-2 );
+}
+
 void LeftClick(ClickType clickType, int xPix, int yPix)
 {
     int x, y;
     Boolean saveAnimate;
-    static int second = 0, promotionChoice = 0, dragging = 0;
+    static int second = 0, promotionChoice = 0, clearFlag = 0;
     char promoChoice = NULLCHAR;
+    ChessSquare piece;
 
     if(appData.seekGraph && appData.icsActive && loggedOn &&
        (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
@@ -6349,6 +6531,13 @@ void LeftClick(ClickType clickType, int xPix, int yPix)
        x = BOARD_WIDTH - 1 - x;
     }
 
+    if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
+       defaultPromoChoice = promoSweep;
+       promoSweep = EmptySquare;   // terminate sweep
+       promoDefaultAltered = TRUE;
+       if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
+    }
+
     if(promotionChoice) { // we are waiting for a click to indicate promotion piece
        if(clickType == Release) return; // ignore upclick of click-click destination
        promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
@@ -6377,9 +6566,19 @@ void LeftClick(ClickType clickType, int xPix, int yPix)
               || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
        return;
 
+    if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
+       fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
+
+    if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
+       int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
+                   gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
+       defaultPromoChoice = DefaultPromoChoice(side);
+    }
+
     autoQueen = appData.alwaysPromoteToQueen;
 
     if (fromX == -1) {
+      int originalY = y;
       gatingPiece = EmptySquare;
       if (clickType != Press) {
        if(dragging) { // [HGM] from-square must have been reset due to game end since last press
@@ -6388,18 +6587,25 @@ void LeftClick(ClickType clickType, int xPix, int yPix)
        }
        return;
       }
-      if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
+      fromX = x; fromY = y;
+      if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
+        // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
+        appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
            /* First square */
-           if (OKToStartUserMove(x, y)) {
-               fromX = x;
-               fromY = y;
+           if (OKToStartUserMove(fromX, fromY)) {
                second = 0;
                MarkTargetSquares(0);
                DragPieceBegin(xPix, yPix); dragging = 1;
+               if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
+                   promoSweep = defaultPromoChoice;
+                   selectFlag = 0; lastX = xPix; lastY = yPix;
+                   Sweep(0); // Pawn that is going to promote: preview promotion piece
+                   DisplayMessage("", _("Pull pawn backwards to under-promote"));
+               }
                if (appData.highlightDragging) {
-                   SetHighlights(x, y, -1, -1);
+                   SetHighlights(fromX, fromY, -1, -1);
                }
-           }
+           } else fromX = fromY = -1;
            return;
        }
     }
@@ -6427,6 +6633,7 @@ void LeftClick(ClickType clickType, int xPix, int yPix)
             !(fromP == BlackKing && toP == BlackRook && frc))) {
            /* Clicked again on same color piece -- changed his mind */
            second = (x == fromX && y == fromY);
+           promoDefaultAltered = FALSE;
           if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
            if (appData.highlightDragging) {
                SetHighlights(x, y, -1, -1);
@@ -6443,6 +6650,11 @@ void LeftClick(ClickType clickType, int xPix, int yPix)
                fromY = y; dragging = 1;
                MarkTargetSquares(0);
                DragPieceBegin(xPix, yPix);
+               if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
+                   promoSweep = defaultPromoChoice;
+                   selectFlag = 0; lastX = xPix; lastY = yPix;
+                   Sweep(0); // Pawn that is going to promote: preview promotion piece
+               }
            }
           }
           if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
@@ -6454,6 +6666,14 @@ void LeftClick(ClickType clickType, int xPix, int yPix)
 
     if (clickType == Release && x == fromX && y == fromY) {
        DragPieceEnd(xPix, yPix); dragging = 0;
+       if(clearFlag) {
+           // a deferred attempt to click-click move an empty square on top of a piece
+           boards[currentMove][y][x] = EmptySquare;
+           ClearHighlights();
+           DrawPosition(FALSE, boards[currentMove]);
+           fromX = fromY = -1; clearFlag = 0;
+           return;
+       }
        if (appData.animateDragging) {
            /* Undo animation damage if any */
            DrawPosition(FALSE, NULL);
@@ -6473,12 +6693,20 @@ void LeftClick(ClickType clickType, int xPix, int yPix)
        return;
     }
 
+    clearFlag = 0;
+
     /* we now have a different from- and (possibly off-board) to-square */
     /* Completed move */
     toX = x;
     toY = y;
     saveAnimate = appData.animate;
     if (clickType == Press) {
+       if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
+           // must be Edit Position mode with empty-square selected
+           fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
+           if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
+           return;
+       }
        /* Finish clickclick move */
        if (appData.animate || appData.highlightLastMove) {
            SetHighlights(fromX, fromY, toX, toY);
@@ -6592,16 +6820,25 @@ int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
 
     xSqr = EventToSquare(x, BOARD_WIDTH);
     ySqr = EventToSquare(y, BOARD_HEIGHT);
-    if (action == Release) UnLoadPV(); // [HGM] pv
+    if (action == Release) {
+       if(pieceSweep != EmptySquare) {
+           EditPositionMenuEvent(pieceSweep, toX, toY);
+           pieceSweep = EmptySquare;
+       } else UnLoadPV(); // [HGM] pv
+    }
     if (action != Press) return -2; // return code to be ignored
     switch (gameMode) {
       case IcsExamining:
        if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;\r
       case EditPosition:
        if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;\r
-       if (xSqr < 0 || ySqr < 0) return -1;\r
-       whichMenu = 0; // edit-position menu
-       break;
+       if (xSqr < 0 || ySqr < 0) return -1;
+       if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
+       pieceSweep = shiftKey ? BlackPawn : WhitePawn;  // [HGM] sweep: prepare selecting piece by mouse sweep
+       toX = xSqr; toY = ySqr; lastX = x, lastY = y;
+       if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
+       NextPiece(0);
+       return -2;\r
       case IcsObserving:
        if(!appData.icsEngineAnalyze) return -1;
       case IcsPlayingWhite:
@@ -6795,7 +7032,6 @@ Adjudicate(ChessProgramState *cps)
                     if(canAdjudicate && appData.checkMates) {
                         if(engineOpponent)
                           SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
-                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                          GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
                                                        "Xboard adjudication: King destroyed", GE_XBOARD );
                          return 1;
@@ -6809,7 +7045,6 @@ Adjudicate(ChessProgramState *cps)
                     if(canAdjudicate && appData.checkMates) {
                         if(engineOpponent)
                           SendMoveToProgram(forwardMostMove-1, engineOpponent); // 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 1;
@@ -6822,7 +7057,6 @@ Adjudicate(ChessProgramState *cps)
                            /* but only adjudicate if adjudication enabled */
                            if(engineOpponent)
                              SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
-                           ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                            GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
                                                        "Xboard adjudication: Bare king", GE_XBOARD );
                            return 1;
@@ -6883,7 +7117,6 @@ Adjudicate(ChessProgramState *cps)
                 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
                    if(engineOpponent)
                      SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
-                   ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                    GameEnds( result, reason, GE_XBOARD );
                    return 1;
                }
@@ -6902,7 +7135,6 @@ Adjudicate(ChessProgramState *cps)
                           SendToProgram("force\n", engineOpponent); // suppress reply
                           SendMoveToProgram(forwardMostMove-1, engineOpponent); /* 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 1;
                      }
@@ -6923,7 +7155,6 @@ Adjudicate(ChessProgramState *cps)
                            SendToProgram("force\n", engineOpponent); // suppress reply
                            SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
                          }
-                          ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                           GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
                           return 1;
                      }
@@ -7006,7 +7237,6 @@ Adjudicate(ChessProgramState *cps)
                               SendToProgram("force\n", engineOpponent); // suppress reply
                               SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
                             }
-                             ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                              GameEnds( result, details, GE_XBOARD );
                              return 1;
                         }
@@ -7043,7 +7273,6 @@ Adjudicate(ChessProgramState *cps)
                           SendToProgram("force\n", engineOpponent); // suppress reply
                           SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
                         }
-                         ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                          GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
                          return 1;
                 }
@@ -7066,7 +7295,6 @@ Adjudicate(ChessProgramState *cps)
                               SendToProgram("force\n", engineOpponent); // suppress reply
                               SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
                             }
-                             ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                              GameEnds( GameIsDrawn, p, GE_XBOARD );
                              return 1;
                          }
@@ -7077,7 +7305,6 @@ Adjudicate(ChessProgramState *cps)
                      SendToProgram("force\n", engineOpponent); // suppress reply
                      SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
                    }
-                   ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
                    GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
                    return 1;
                }
@@ -7256,7 +7483,7 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h
                               &fromX, &fromY, &toX, &toY, &promoChar)) {
            /* Machine move could not be parsed; ignore it. */
          snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
-                   machineMove, cps->which);
+                   machineMove, _(cps->which));
            DisplayError(buf1, 0);
             snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
                     machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
@@ -7313,11 +7540,6 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h
        if (cps->sendTime == 2) cps->sendTime = 1;
        if (cps->offeredDraw) cps->offeredDraw--;
 
-       /* currentMoveString is set as a side-effect of ParseOneMove */
-       safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
-       strcat(machineMove, "\n");
-       safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
-
         /* [AS] Save move info*/
         pvInfoList[ forwardMostMove ].score = programStats.score;
         pvInfoList[ forwardMostMove ].depth = programStats.depth;
@@ -7354,7 +7576,10 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h
             }
         }
 
-       if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
+       if(Adjudicate(cps)) {
+           ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
+           return; // [HGM] adjudicate: for all automatic game ends
+       }
 
 #if ZIPPY
        if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
@@ -7676,21 +7901,21 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.
            gameMode = EditGame;
            ModeHighlight();
        }
+        /* [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; // do not take back move we tested as valid
+        }
        currentMove = forwardMostMove-1;
        DisplayMove(currentMove-1); /* before DisplayMoveError */
        SwitchClocks(forwardMostMove-1); // [HGM] race
        DisplayBothClocks();
        snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
-               parseList[currentMove], cps->which);
+               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")) {
@@ -7713,9 +7938,12 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.
 
        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);
+               _(cps->which), cps->program, cps->host, message);
        RemoveInputSource(cps->isr);
-       DisplayFatalError(buf1, 0, 1);
+       if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
+           if(cps == &first) appData.noChessProgram = TRUE;
+           DisplayError(buf1, 0);
+       }
        return;
     }
 
@@ -7736,7 +7964,7 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.
                /* Hint move could not be parsed!? */
              snprintf(buf2, sizeof(buf2),
                        _("Illegal hint move \"%s\"\nfrom %s chess program"),
-                       buf1, cps->which);
+                       buf1, _(cps->which));
                DisplayError(buf2, 0);
            }
        } else {
@@ -8340,6 +8568,7 @@ ParseGameHistory(game)
                if (q != NULL) *q = NULLCHAR;
                p++;
            }
+           while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
            gameInfo.resultDetails = StrSave(p);
            continue;
        }
@@ -8402,7 +8631,8 @@ ApplyMove(fromX, fromY, toX, toY, promoChar, board)
       int i;
 
       if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
-           if( gameInfo.variant == VariantFairy ) board[EP_STATUS] = EP_PAWN_MOVE; // Lance in fairy is Pawn-like
+           if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
+               board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
       } else
       if( board[fromY][fromX] == WhitePawn ) {
            if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
@@ -8478,9 +8708,9 @@ ApplyMove(fromX, fromY, toX, toY, promoChar, board)
         board[toY][toX] = king;
         board[toY][toX+1] = board[fromY][BOARD_LEFT];
         board[fromY][BOARD_LEFT] = EmptySquare;
-    } else if (board[fromY][fromX] == WhitePawn
+    } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
+                board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
                && toY >= BOARD_HEIGHT-promoRank
-               && gameInfo.variant != VariantXiangqi
                ) {
        /* white pawn promotion */
         board[toY][toX] = CharToPiece(ToUpper(promoChar));
@@ -8542,9 +8772,9 @@ ApplyMove(fromX, fromY, toX, toY, promoChar, board)
        board[toY][toX] = BlackKing;
        board[fromY][0] = EmptySquare;
        board[toY][2] = BlackRook;
-    } else if (board[fromY][fromX] == BlackPawn
+    } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
+                board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
               && toY < promoRank
-               && gameInfo.variant != VariantXiangqi
                ) {
        /* black pawn promotion */
        board[toY][toX] = CharToPiece(ToLower(promoChar));
@@ -8885,7 +9115,7 @@ InitChessProgram(cps, setup)
       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 )
+          gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
            overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
       if( gameInfo.variant == VariantCourier )
            overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
@@ -9437,6 +9667,13 @@ GameEnds(result, resultDetails, whosays)
                     first.matchWins, second.matchWins,
                     appData.matchGames - (first.matchWins + second.matchWins));
            popupRequested++; // [HGM] crash: postpone to after resetting endingGame
+           if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
+               first.twoMachinesColor = "black\n";
+               second.twoMachinesColor = "white\n";
+           } else {
+               first.twoMachinesColor = "white\n";
+               second.twoMachinesColor = "black\n";
+           }
        }
     }
     if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
@@ -9606,7 +9843,7 @@ AutoPlayGameLoop()
          return;
        if (matchMode || appData.timeDelay == 0)
          continue;
-       if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
+       if (appData.timeDelay < 0)
          return;
        StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
        break;
@@ -9623,10 +9860,18 @@ AutoPlayOneMove()
       fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
     }
 
-    if (gameMode != PlayFromGameFile)
+    if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
       return FALSE;
 
+    if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
+      pvInfoList[currentMove].depth = programStats.depth;
+      pvInfoList[currentMove].score = programStats.score;
+      pvInfoList[currentMove].time  = 0;
+      if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
+    }
+
     if (currentMove >= forwardMostMove) {
+      if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
       gameMode = EditGame;
       ModeHighlight();
 
@@ -9759,6 +10004,7 @@ LoadGameOneMove(readAhead)
            if (q != NULL) *q = NULLCHAR;
            p++;
        }
+       while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
        GameEnds(moveType, p, GE_FILE);
        done = TRUE;
        if (cmailMsgLoaded) {
@@ -9891,8 +10137,6 @@ LoadGameOneMove(readAhead)
        return FALSE;
     } else {
        /* currentMoveString is set as a side-effect of yylex */
-       strcat(currentMoveString, "\n");
-       safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
 
        thinkOutput[0] = NULLCHAR;
        MakeMove(fromX, fromY, toX, toY, promoChar);
@@ -10397,6 +10641,7 @@ LoadGame(f, gameNumber, title, useList)
             for (i = BOARD_HEIGHT - 1; i >= 0; i--)
               for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
                switch (*p) {
+                 case '{':
                  case '[':
                  case '-':
                  case ' ':
@@ -10747,6 +10992,7 @@ SaveGameToFile(filename, append)
 {
     FILE *f;
     char buf[MSG_SIZ];
+    int result;
 
     if (strcmp(filename, "-") == 0) {
        return SaveGame(stdout, 0, NULL);
@@ -10757,7 +11003,14 @@ SaveGameToFile(filename, append)
            DisplayError(buf, errno);
            return FALSE;
        } else {
-           return SaveGame(f, 0, NULL);
+           safeStrCpy(buf, lastMsg, MSG_SIZ);
+           DisplayMessage(_("Waiting for access to save file"), "");
+           flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
+           DisplayMessage(_("Saving game"), "");
+           if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno);     // better safe than sorry...
+           result = SaveGame(f, 0, NULL);
+           DisplayMessage(buf, "");
+           return result;
        }
     }
 }
@@ -11119,7 +11372,13 @@ SavePositionToFile(filename)
            DisplayError(buf, errno);
            return FALSE;
        } else {
+           safeStrCpy(buf, lastMsg, MSG_SIZ);
+           DisplayMessage(_("Waiting for access to save file"), "");
+           flock(fileno(f), LOCK_EX); // [HGM] lock
+           DisplayMessage(_("Saving position"), "");
+           lseek(fileno(f), 0, SEEK_END);     // better safe than sorry...
            SavePosition(f, 0, NULL);
+           DisplayMessage(buf, "");
            return TRUE;
        }
     }
@@ -11631,7 +11890,7 @@ void
 EditTagsEvent()
 {
     char *tags = PGNTags(&gameInfo);
-    EditTagsPopUp(tags);
+    EditTagsPopUp(tags, NULL);
     free(tags);
 }
 
@@ -11882,16 +12141,18 @@ SettingsMenuIfReady()
 }
 
 int
-WaitForSecond(DelayedEventCallback retry)
+WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
 {
-    if (second.pr == NULL) {
-       StartChessProgram(&second);
-       if (second.protocolVersion == 1) {
+    char buf[MSG_SIZ];
+    if (cps->pr == NULL) {
+       StartChessProgram(cps);
+       if (cps->protocolVersion == 1) {
          retry();
        } else {
          /* kludge: allow timeout for initial "feature" command */
          FreezeUI();
-         DisplayMessage("", _("Starting second chess program"));
+         snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
+         DisplayMessage("", buf);
          ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
        }
        return 1;
@@ -11906,6 +12167,7 @@ TwoMachinesEvent P((void))
     char buf[MSG_SIZ];
     ChessProgramState *onmove;
     char *bookHit = NULL;
+    static int stalling = 0;
 
     if (appData.noChessProgram) return;
 
@@ -11941,14 +12203,24 @@ TwoMachinesEvent P((void))
     TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
     ResurrectChessProgram();   /* in case first program isn't running */
 
-    if(WaitForSecond(TwoMachinesEventIfReady)) return;
-    DisplayMessage("", "");
-    InitChessProgram(&second, FALSE);
-    SendToProgram("force\n", &second);
+    if(WaitForEngine(&second, TwoMachinesEventIfReady)) return;
     if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
+      DisplayMessage("", _("Waiting for first chess program"));
+      ScheduleDelayedEvent(TwoMachinesEvent, 10);
+      return;
+    }
+    if(!stalling) {
+      InitChessProgram(&second, FALSE);
+      SendToProgram("force\n", &second);
+    }
+    if(second.lastPing != second.lastPong) { // [HGM] second engine might have to reallocate hash
+      if(!stalling) DisplayMessage("", _("Waiting for second chess program"));
+      stalling = 1;
       ScheduleDelayedEvent(TwoMachinesEvent, 10);
       return;
     }
+    stalling = 0;
+    DisplayMessage("", "");
     if (startedFromSetupPosition) {
        SendBoard(&second, backwardMostMove);
     if (appData.debugMode) {
@@ -12584,6 +12856,32 @@ CallFlagEvent()
 }
 
 void
+ClockClick(int which)
+{      // [HGM] code moved to back-end from winboard.c
+       if(which) { // black clock
+         if (gameMode == EditPosition || gameMode == IcsExamining) {
+           if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
+           SetBlackToPlayEvent();
+         } else if (gameMode == EditGame || shiftKey) {
+           AdjustClock(which, -1);
+         } else if (gameMode == IcsPlayingWhite ||
+                    gameMode == MachinePlaysBlack) {
+           CallFlagEvent();
+         }
+       } else { // white clock
+         if (gameMode == EditPosition || gameMode == IcsExamining) {
+           if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
+           SetWhiteToPlayEvent();
+         } else if (gameMode == EditGame || shiftKey) {
+           AdjustClock(which, -1);
+         } else if (gameMode == IcsPlayingBlack ||
+                  gameMode == MachinePlaysWhite) {
+           CallFlagEvent();
+         }
+       }
+}
+
+void
 DrawEvent()
 {
     /* Offer draw or accept pending draw offer from opponent */
@@ -13287,7 +13585,13 @@ ReplaceComment(index, text)
      char *text;
 {
     int len;
+    char *p;
+    float score;
 
+    if(index && sscanf(text, "%f/%d", &score, &len) == 2 && 
+       pvInfoList[index-1].depth == len &&
+       fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
+       (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
     while (*text == '\n') text++;
     len = strlen(text);
     while (len > 0 && text[len - 1] == '\n') len--;
@@ -13361,24 +13665,24 @@ if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
        safeStrCpy(commentList[index], old, oldlen + len + 6);
        free(old);
        // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
-       if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
-         if(addBraces) addBraces = FALSE; else { text++; len--; }
+       if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
+         if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
          while (*text == '\n') { text++; len--; }
          commentList[index][--oldlen] = NULLCHAR;
       }
-       if(addBraces) strcat(commentList[index], "\n{\n");
+       if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
        else          strcat(commentList[index], "\n");
        strcat(commentList[index], text);
-       if(addBraces) strcat(commentList[index], "\n}\n");
+       if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
        else          strcat(commentList[index], "\n");
     } else {
        commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
        if(addBraces)
-         safeStrCpy(commentList[index], "{\n", 3);
+         safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
        else commentList[index][0] = NULLCHAR;
        strcat(commentList[index], text);
-       strcat(commentList[index], "\n");
-       if(addBraces) strcat(commentList[index], "}\n");
+       strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
+       if(addBraces == TRUE) strcat(commentList[index], "}\n");
     }
 }
 
@@ -13397,7 +13701,7 @@ static char * FindStr( char * text, char * sub_text )
 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
 char *GetInfoFromComment( int index, char * text )
 {
-    char * sep = text;
+    char * sep = text, *p;
 
     if( text != NULL && index > 0 ) {
         int score = 0;
@@ -13435,11 +13739,20 @@ char *GetInfoFromComment( int index, char * text )
                 return text;
             }
 
+            p = text;
+            if(p[1] == '(') { // comment starts with PV
+               p = strchr(p, ')'); // locate end of PV
+               if(p == NULL || sep < p+5) return text;
+               // at this point we have something like "{(.*) +0.23/6 ..."
+               p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
+               *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
+               // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
+            }
             time = -1; sec = -1; deci = -1;
-            if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
-               sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
-                sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
-                sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3   ) {
+            if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
+               sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
+                sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
+                sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3   ) {
                 return text;
             }
 
@@ -13455,7 +13768,7 @@ char *GetInfoFromComment( int index, char * text )
             /* [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
+            while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
             if(sec >= 0)
             while( *++sep >= '0' && *sep <= '9'); // strip seconds
             if(deci >= 0)
@@ -13475,6 +13788,7 @@ char *GetInfoFromComment( int index, char * text )
         pvInfoList[index-1].score = score;
         pvInfoList[index-1].time  = 10*time; // centi-sec
         if(*sep == '}') *sep = 0; else *--sep = '{';
+        if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
     }
     return sep;
 }
@@ -13502,11 +13816,12 @@ SendToProgram(message, cps)
     outCount = OutputToProcess(cps->pr, message, count, &error);
     if (outCount < count && !exiting
                          && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
-      snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
+      if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
+      snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
         if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
             if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
                 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
-                snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
+                snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
             } else {
                 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
             }
@@ -13532,11 +13847,11 @@ ReceiveFromProgram(isr, closure, message, count, error)
     if (count <= 0) {
        if (count == 0) {
            snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
-                   cps->which, cps->program);
+                   _(cps->which), cps->program);
         if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
                 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
                     gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
-                    snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
+                    snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
                 } else {
                     gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
                 }
@@ -13546,7 +13861,7 @@ ReceiveFromProgram(isr, closure, message, count, error)
            if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
        } else {
            snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
-                   cps->which, cps->program);
+                   _(cps->which), cps->program);
            RemoveInputSource(cps->isr);
 
             /* [AS] Program is misbehaving badly... kill it */
@@ -13664,7 +13979,7 @@ SendTimeControl(cps, mps, tc, inc, sd, st)
       SendToProgram(buf, cps);
     }
 
-    if(cps->nps > 0) { /* [HGM] nps */
+    if(cps->nps >= 0) { /* [HGM] nps */
        if(cps->supportsNPS == FALSE)
          cps->nps = -1; // don't use if engine explicitly says not supported!
        else {
@@ -13817,11 +14132,11 @@ ParseOption(Option *opt, ChessProgramState *cps)
        } else if((p = strstr(opt->name, " -file "))) {
            // for now -file is a synonym for -string, to already provide compatibility with future polyglots
            opt->textValue = p+7;
-           opt->type = TextBox; // FileName;
+           opt->type = FileName; // FileName;
        } else if((p = strstr(opt->name, " -path "))) {
            // for now -file is a synonym for -string, to already provide compatibility with future polyglots
            opt->textValue = p+7;
-           opt->type = TextBox; // PathName;
+           opt->type = PathName; // PathName;
        } else if(p = strstr(opt->name, " -check ")) {
            if(sscanf(p, " -check %d", &def) < 1) return FALSE;
            opt->value = (def != 0);
@@ -13883,6 +14198,7 @@ FeatureDone(cps, val)
   DelayedEventCallback cb = GetDelayedEvent();
   if ((cb == InitBackEnd3 && cps == &first) ||
       (cb == SettingsMenuIfReady && cps == &second) ||
+      (cb == LoadEngine) ||
       (cb == TwoMachinesEventIfReady && cps == &second)) {
     CancelDelayedEvent();
     ScheduleDelayedEvent(cb, val ? 1 : 3600000);
@@ -13957,7 +14273,7 @@ ParseFeatures(args, cps)
        }
        if(cps->nrOptions >= MAX_OPTIONS) {
            cps->nrOptions--;
-           snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
+           snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
            DisplayError(buf, 0);
        }
        continue;
@@ -14076,6 +14392,55 @@ AskQuestionEvent(title, question, replyPrefix, which)
 }
 
 void
+TypeInEvent(char firstChar)
+{
+    if ((gameMode == BeginningOfGame && !appData.icsActive) || \r
+        gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||\r
+       gameMode == AnalyzeMode || gameMode == EditGame || \r
+       gameMode == EditPosition || gameMode == IcsExamining ||\r
+       gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||\r
+       isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes\r
+               ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||\r
+                 gameMode == IcsObserving || gameMode == TwoMachinesPlay    ) ||\r
+       gameMode == Training) PopUpMoveDialog(firstChar);
+}
+
+void
+TypeInDoneEvent(char *move)
+{
+       Board board;
+       int n, fromX, fromY, toX, toY;
+       char promoChar;
+       ChessMove moveType;\r
+
+       // [HGM] FENedit\r
+       if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {\r
+               EditPositionPasteFEN(move);\r
+               return;\r
+       }\r
+       // [HGM] movenum: allow move number to be typed in any mode\r
+       if(sscanf(move, "%d", &n) == 1 && n != 0 ) {\r
+         ToNrEvent(2*n-1);\r
+         return;\r
+       }\r
+
+      if (gameMode != EditGame && currentMove != forwardMostMove && \r
+       gameMode != Training) {\r
+       DisplayMoveError(_("Displayed move is not current"));\r
+      } else {\r
+       int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove, \r
+         &moveType, &fromX, &fromY, &toX, &toY, &promoChar);\r
+       if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized\r
+       if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove, \r
+         &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {\r
+         UserMoveEvent(fromX, fromY, toX, toY, promoChar);     \r
+       } else {\r
+         DisplayMoveError(_("Could not parse move"));\r
+       }
+      }\r
+}\r
+
+void
 DisplayMove(moveNumber)
      int moveNumber;
 {
@@ -14493,15 +14858,15 @@ SwitchClocks(int newMoveNr)
            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
+//         if(pvInfoList[forwardMostMove].time == -1)
+                 pvInfoList[forwardMostMove].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 =
+//         if(pvInfoList[forwardMostMove].time == -1)
+                 pvInfoList[forwardMostMove].time =
                       (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
        }
        flagged = CheckFlags();