version 1.4.30b
[polyglot.git] / xboard2uci.c
diff --git a/xboard2uci.c b/xboard2uci.c
new file mode 100644 (file)
index 0000000..43bc63b
--- /dev/null
@@ -0,0 +1,1553 @@
+\r
+// xboard2uci.c\r
+\r
+// includes\r
+\r
+#include <errno.h>\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <string.h>\r
+#include <time.h>\r
+\r
+#include "board.h"\r
+#include "book.h"\r
+#include "colour.h"\r
+#include "engine.h"\r
+#include "fen.h"\r
+#include "game.h"\r
+#include "gui.h"\r
+#include "line.h"\r
+#include "main.h"\r
+#include "move.h"\r
+#include "move_do.h"\r
+#include "move_legal.h"\r
+#include "option.h"\r
+#include "parse.h"\r
+#include "san.h"\r
+#include "uci.h"\r
+#include "uci2uci.h"\r
+#include "util.h"\r
+\r
+// defines\r
+\r
+#define StringSize 4096\r
+\r
+// constants\r
+\r
+static const bool UseDebug = FALSE;\r
+static const bool DelayPong = FALSE;\r
+\r
+// types\r
+\r
+typedef struct {\r
+   int state;\r
+   bool computer[ColourNb];\r
+   int exp_move;\r
+   int resign_nb;\r
+   my_timer_t timer[1];\r
+} state_t;\r
+\r
+typedef struct {\r
+    bool has_feature_memory;\r
+    bool has_feature_smp;\r
+    bool has_feature_egt;\r
+    bool analyse;\r
+    bool computer;\r
+    const char * name;\r
+    bool ics;\r
+    bool new_hack; // "new" is a C++ keyword\r
+    bool ponder;\r
+    int ping;\r
+    bool post;\r
+    int proto_ver;\r
+    bool result;\r
+\r
+    int mps;\r
+    double base;\r
+    double inc;\r
+    \r
+    bool time_limit;\r
+    double time_max;\r
+    \r
+    bool depth_limit;\r
+    int depth_max;\r
+    \r
+    double my_time;\r
+    double opp_time;\r
+} xb_t;\r
+\r
+typedef enum { WAIT, THINK, PONDER, ANALYSE } dummy_state_t;\r
+\r
+// variables\r
+\r
+static state_t State[1];\r
+static xb_t XB[1];\r
+\r
+// prototypes\r
+\r
+static void comp_move      (int move);\r
+static void move_step      (int move);\r
+static void board_update   ();\r
+\r
+static void mess           ();\r
+static void no_mess        (int move);\r
+\r
+static void search_update  ();\r
+static void search_clear   ();\r
+static void update_remaining_time();\r
+static int  report_best_score();\r
+static bool kibitz_throttle (bool searching);\r
+static void start_protected_command();\r
+static void end_protected_command();\r
+\r
+static bool active         ();\r
+static bool ponder         ();\r
+static bool ponder_ok      (int ponder_move);\r
+\r
+static void stop_search    ();\r
+\r
+static void send_board     (int extra_move);\r
+static void send_pv        ();\r
+\r
+static void send_xboard_options ();\r
+\r
+static void learn          (int result);\r
+\r
+\r
+// functions\r
+\r
+// xboard2uci_init()\r
+\r
+void xboard2uci_init() {\r
+   // init\r
+\r
+   game_clear(Game);\r
+\r
+   // state\r
+\r
+   State->state = WAIT;\r
+\r
+   State->computer[White] = FALSE;\r
+   State->computer[Black] = TRUE;\r
+\r
+   State->exp_move = MoveNone;\r
+   State->resign_nb = 0;\r
+   my_timer_reset(State->timer);\r
+\r
+   // yes there are engines that do not have the "Hash" option....\r
+   XB->has_feature_memory= uci_option_exist(Uci,"Hash");\r
+   XB->has_feature_smp = uci_thread_option_exist(Uci);\r
+   // TODO: support for other types of table bases\r
+   XB->has_feature_egt = uci_option_exist(Uci,"NalimovPath");\r
+   XB->analyse = FALSE;\r
+   XB->computer = FALSE;\r
+   XB->name = NULL;\r
+   my_string_set(&XB->name,"<empty>");\r
+   XB->ics = FALSE;\r
+   XB->new_hack = TRUE;\r
+   XB->ping = -1;\r
+   XB->ponder = FALSE;\r
+   XB->post = FALSE;\r
+   XB->proto_ver = 1;\r
+   XB->result = FALSE;\r
+\r
+   XB->mps = 0;\r
+   XB->base = 300.0;\r
+   XB->inc = 0.0;\r
+\r
+   XB->time_limit = FALSE;\r
+   XB->time_max = 5.0;\r
+\r
+   XB->depth_limit = FALSE;\r
+   XB->depth_max = 127;\r
+\r
+   XB->my_time = 300.0;\r
+   XB->opp_time = 300.0;\r
+}\r
+\r
+// xboard2uci_gui_step()\r
+\r
+void xboard2uci_gui_step(char string[]) {\r
+\r
+       int move;\r
+       char move_string[256];\r
+       board_t board[1];\r
+\r
+               if (FALSE) {\r
+         \r
+               } else if (match(string,"accepted *")) {\r
+\r
+                       // ignore\r
+\r
+               } else if (match(string,"analyze")) {\r
+\r
+                       State->computer[White] = FALSE;\r
+                       State->computer[Black] = FALSE;\r
+\r
+                       XB->analyse = TRUE;\r
+                       XB->new_hack = FALSE;\r
+                       ASSERT(!XB->result);\r
+                       XB->result = FALSE;\r
+\r
+                       mess();\r
+\r
+               } else if (match(string,"bk")) {\r
+\r
+                       if (option_get_bool("Book")) {\r
+                               game_get_board(Game,board);\r
+                               book_disp(board);\r
+                       }\r
+\r
+               } else if (match(string,"black")) {\r
+\r
+                       if (colour_is_black(game_turn(Game))) {\r
+\r
+                               State->computer[White] = TRUE;\r
+                               State->computer[Black] = FALSE;\r
+\r
+                               XB->new_hack = TRUE;\r
+                               XB->result = FALSE;\r
+\r
+                               mess();\r
+                       }\r
+\r
+               } else if (match(string,"computer")) {\r
+\r
+                       XB->computer = TRUE;\r
+\r
+               } else if (match(string,"draw")) {\r
+                       if(uci_option_exist(Uci,"UCI_DrawOffers")){\r
+                           my_log("POLYGLOT draw from XB received");\r
+                               uci_send_option(Uci,"DrawOffer","%s","draw");}\r
+               } else if (match(string,"easy")) {\r
+\r
+                       XB->ponder = FALSE;\r
+\r
+                       mess();\r
+\r
+               } else if (match(string,"edit")) {\r
+\r
+                       // refuse\r
+\r
+                       gui_send(GUI,"Error (unknown command): %s",string);\r
+\r
+               } else if (match(string,"exit")) {\r
+\r
+                       State->computer[White] = FALSE;\r
+                       State->computer[Black] = FALSE;\r
+\r
+                       XB->analyse = FALSE;\r
+\r
+                       mess();\r
+\r
+               } else if (match(string,"force")) {\r
+\r
+                       State->computer[White] = FALSE;\r
+                       State->computer[Black] = FALSE;\r
+\r
+                       mess();\r
+\r
+               } else if (match(string,"go")) {\r
+\r
+                       State->computer[game_turn(Game)] = TRUE;\r
+                       State->computer[colour_opp(game_turn(Game))] = FALSE;\r
+\r
+                       XB->new_hack = FALSE;\r
+                       ASSERT(!XB->result);\r
+                       XB->result = FALSE;\r
+\r
+                       mess();\r
+\r
+               } else if (match(string,"hard")) {\r
+\r
+                       XB->ponder = TRUE;\r
+\r
+                       mess();\r
+\r
+               } else if (match(string,"hint")) {\r
+\r
+                       if (option_get_bool("Book")) {\r
+\r
+                               game_get_board(Game,board);\r
+                               move = book_move(board,FALSE);\r
+\r
+                               if (move != MoveNone && move_is_legal(move,board)) {\r
+                                       move_to_san(move,board,move_string,256);\r
+                                       gui_send(GUI,"Hint: %s",move_string);\r
+                               }\r
+                       }\r
+\r
+               } else if (match(string,"ics *")) {\r
+\r
+                       XB->ics = TRUE;\r
+\r
+               } else if (match(string,"level * *:* *")) {\r
+\r
+                       XB->mps  = atoi(Star[0]);\r
+                       XB->base = ((double)atoi(Star[1])) * 60.0 + ((double)atoi(Star[2]));\r
+                       XB->inc  = ((double)atoi(Star[3]));\r
+\r
+               } else if (match(string,"level * * *")) {\r
+\r
+                       XB->mps  = atoi(Star[0]);\r
+                       XB->base = ((double)atoi(Star[1])) * 60.0;\r
+                       XB->inc  = ((double)atoi(Star[2]));\r
+\r
+               } else if (match(string,"name *")) {\r
+\r
+                       my_string_set(&XB->name,Star[0]);\r
+\r
+               } else if (match(string,"new")) {\r
+\r
+            uci_send_isready(Uci);\r
+                       my_log("POLYGLOT NEW GAME\n");\r
+\r
+                       option_set("Chess960","FALSE");\r
+\r
+                       game_clear(Game);\r
+\r
+                       if (XB->analyse) {\r
+                               State->computer[White] = FALSE;\r
+                               State->computer[Black] = FALSE;\r
+                       } else {\r
+                               State->computer[White] = FALSE;\r
+                               State->computer[Black] = TRUE;\r
+                       }\r
+\r
+                       XB->new_hack = TRUE;\r
+                       XB->result = FALSE;\r
+\r
+                       XB->depth_limit = FALSE;\r
+\r
+                       XB->computer = FALSE;\r
+                       my_string_set(&XB->name,"<empty>");\r
+\r
+                       board_update();\r
+                       mess();\r
+\r
+                       uci_send_ucinewgame(Uci);\r
+\r
+               } else if (match(string,"nopost")) {\r
+\r
+                       XB->post = FALSE;\r
+\r
+               } else if (match(string,"otim *")) {\r
+\r
+                       XB->opp_time = ((double)atoi(Star[0])) / 100.0;\r
+                       if (XB->opp_time < 0.0) XB->opp_time = 0.0;\r
+\r
+               } else if (match(string,"pause")) {\r
+\r
+                       // refuse\r
+\r
+                       gui_send(GUI,"Error (unknown command): %s",string);\r
+\r
+               } else if (match(string,"ping *")) {\r
+\r
+                       // HACK; TODO: answer only after an engine move\r
+\r
+                       if (DelayPong) {\r
+                               if (XB->ping >= 0) gui_send(GUI,"pong %d",XB->ping); // HACK: get rid of old ping\r
+                               XB->ping = atoi(Star[0]);\r
+                               uci_send_isready(Uci);\r
+                       } else {\r
+                               ASSERT(XB->ping==-1);\r
+                               gui_send(GUI,"pong %s",Star[0]);\r
+                       }\r
+\r
+               } else if (match(string,"playother")) {\r
+\r
+                       State->computer[game_turn(Game)] = FALSE;\r
+                       State->computer[colour_opp(game_turn(Game))] = TRUE;\r
+\r
+                       XB->new_hack = FALSE;\r
+                       ASSERT(!XB->result);\r
+                       XB->result = FALSE;\r
+\r
+                       mess();\r
+\r
+               } else if (match(string,"post")) {\r
+\r
+                       XB->post = TRUE;\r
+\r
+               } else if (match(string,"protover *")) {\r
+\r
+            send_xboard_options();\r
+\r
+               } else if (match(string,"quit")) {\r
+                       my_log("POLYGLOT *** \"quit\" from GUI ***\n");\r
+                       quit();\r
+               } else if (match(string,"random")) {\r
+\r
+                       // ignore\r
+\r
+               } else if (match(string,"rating * *")) {\r
+\r
+                       // ignore\r
+\r
+               } else if (match(string,"remove")) {\r
+\r
+                       if (game_pos(Game) >= 2) {\r
+\r
+                               game_goto(Game,game_pos(Game)-2);\r
+\r
+                               ASSERT(!XB->new_hack);\r
+                               XB->new_hack = FALSE; // HACK?\r
+                               XB->result = FALSE;\r
+\r
+                               board_update();\r
+                               mess();\r
+                       }\r
+\r
+               } else if (match(string,"rejected *")) {\r
+\r
+                       // ignore\r
+\r
+               } else if (match(string,"reset")) { // protover 3?\r
+\r
+                       // refuse\r
+\r
+                       gui_send(GUI,"Error (unknown command): %s",string);\r
+\r
+               } else if (FALSE\r
+                       || match(string,"result * {*}")\r
+                       || match(string,"result * {* }")\r
+                       || match(string,"result * { *}")\r
+                       || match(string,"result * { * }")) {\r
+\r
+                               my_log("POLYGLOT GAME END\n");\r
+\r
+                               XB->result = TRUE;\r
+\r
+                               mess();\r
+\r
+                               // book learning\r
+\r
+                               if (option_get_bool("Book") && option_get_bool("BookLearn")) {\r
+\r
+                                       if (FALSE) {\r
+                                       } else if (my_string_equal(Star[0],"1-0")) {\r
+                                               learn(+1);\r
+                                       } else if (my_string_equal(Star[0],"0-1")) {\r
+                                               learn(-1);\r
+                                       } else if (my_string_equal(Star[0],"1/2-1/2")) {\r
+                                               learn(0);\r
+                                       }\r
+                               }\r
+               } else if (match(string,"resume")) {\r
+\r
+                       // refuse\r
+\r
+                       gui_send(GUI,"Error (unknown command): %s",string);\r
+\r
+        } else if (match(string,"option *=*")){\r
+            char *name=Star[0];\r
+            char *value=Star[1];\r
+            if(match(name, "Polyglot *")){\r
+                char *pg_name=Star[0];\r
+                polyglot_set_option(pg_name,value);\r
+            }else{\r
+                start_protected_command();\r
+                engine_send(Engine,"setoption name %s value %s",name,value);\r
+                end_protected_command();\r
+            }\r
+        } else if (match(string,"option *")){\r
+            char *name=Star[0];\r
+            start_protected_command();\r
+            engine_send(Engine,"setoption name %s",name);\r
+            end_protected_command();\r
+        } else if (XB->has_feature_smp && match(string,"cores *")){\r
+                int cores=atoi(Star[0]);\r
+                if(cores>=1){\r
+                    // updating the number of cores\r
+                    my_log("POLYGLOT setting the number of cores to %d\n",cores);\r
+                    start_protected_command();\r
+                    uci_set_threads(Uci,cores); \r
+                    end_protected_command();\r
+                } else{\r
+                   // refuse\r
+                    gui_send(GUI,"Error (unknown command): %s",string);\r
+                }\r
+        } else if (XB->has_feature_egt && match(string,"egtpath * *")){\r
+                char *type=Star[0];\r
+                char *path=Star[1];\r
+                if(!my_string_case_equal(type,"nalimov")){\r
+                   // refuse\r
+                    gui_send(GUI,"Error (unsupported table base format): %s",string);\r
+                }else if(my_string_empty(path)){\r
+                    // refuse\r
+                    gui_send(GUI,"Error (unknown command): %s",string);\r
+                }else{\r
+                    // updating NalimovPath\r
+                    my_log("POLYGLOT setting the Nalimov path to %s\n",path);\r
+                    start_protected_command();\r
+                    uci_send_option(Uci,"NalimovPath","%s",path);\r
+                    end_protected_command();\r
+                }\r
+        } else if (XB->has_feature_memory && match(string,"memory *")){\r
+            int memory = atoi(Star[0]);\r
+            int nalimov_cache;\r
+            int real_memory;\r
+            if(memory>=1){\r
+                // updating the available memory\r
+                my_log("POLYGLOT setting the amount of memory to %dMb\n",memory);\r
+                if(uci_get_option(Uci,"NalimovCache")>=0){\r
+                    nalimov_cache=atoi(Uci->option[uci_get_option(Uci,"NalimovCache")].value);\r
+                }else{\r
+                    nalimov_cache=0;\r
+                }\r
+                my_log("POLYGLOT Nalimov Cache is %dMb\n",nalimov_cache);\r
+                real_memory=memory-nalimov_cache;\r
+                if(real_memory>0){\r
+                    start_protected_command();\r
+                    uci_send_option(Uci,"Hash", "%d", real_memory);\r
+                    end_protected_command();\r
+                }\r
+            }else{\r
+                // refuse\r
+                gui_send(GUI,"Error (unknown command): %s",string);\r
+            }\r
+\r
+               } else if (match(string,"sd *")) {\r
+\r
+                       XB->depth_limit = TRUE;\r
+                       XB->depth_max = atoi(Star[0]);\r
+\r
+               } else if (match(string,"setboard *")) {\r
+\r
+                       my_log("POLYGLOT FEN %s\n",Star[0]);\r
+\r
+                       if (!game_init(Game,Star[0])) my_fatal("xboard_step(): bad FEN \"%s\"\n",Star[0]);\r
+\r
+                       State->computer[White] = FALSE;\r
+                       State->computer[Black] = FALSE;\r
+\r
+                       XB->new_hack = TRUE; // HACK?\r
+                       XB->result = FALSE;\r
+\r
+                       board_update();\r
+                       mess();\r
+\r
+               } else if (match(string,"st *")) {\r
+\r
+                       XB->time_limit = TRUE;\r
+                       XB->time_max = ((double)atoi(Star[0]));\r
+\r
+               } else if (match(string,"time *")) {\r
+\r
+                       XB->my_time = ((double)atoi(Star[0])) / 100.0;\r
+                       if (XB->my_time < 0.0) XB->my_time = 0.0;\r
+\r
+               } else if (match(string,"undo")) {\r
+\r
+                       if (game_pos(Game) >= 1) {\r
+\r
+                               game_goto(Game,game_pos(Game)-1);\r
+\r
+                               ASSERT(!XB->new_hack);\r
+                               XB->new_hack = FALSE; // HACK?\r
+                               XB->result = FALSE;\r
+\r
+                               board_update();\r
+                               mess();\r
+                       }\r
+\r
+               } else if (match(string,"usermove *")) {\r
+\r
+                       game_get_board(Game,board);\r
+                       move = move_from_san(Star[0],board);\r
+\r
+                       if (move != MoveNone && move_is_legal(move,board)) {\r
+\r
+                               XB->new_hack = FALSE;\r
+                               ASSERT(!XB->result);\r
+                               XB->result = FALSE;\r
+\r
+                               move_step(move);\r
+                               no_mess(move);\r
+\r
+                       } else {\r
+\r
+                               gui_send(GUI,"Illegal move: %s",Star[0]);\r
+                       }\r
+\r
+               } else if (match(string,"variant *")) {\r
+\r
+                       if (my_string_equal(Star[0],"fischerandom")) {\r
+                               option_set("Chess960","TRUE");\r
+                       } else {\r
+                               option_set("Chess960","FALSE");\r
+                       }\r
+\r
+               } else if (match(string,"white")) {\r
+\r
+                       if (colour_is_white(game_turn(Game))) {\r
+\r
+                               State->computer[White] = FALSE;\r
+                               State->computer[Black] = TRUE;\r
+\r
+                               XB->new_hack = TRUE;\r
+                               XB->result = FALSE;\r
+\r
+                               mess();\r
+                       }\r
+\r
+               } else if (match(string,"xboard")) {\r
+\r
+                       // ignore\r
+\r
+               } else if (match(string,".")) { // analyse info\r
+\r
+                       if (State->state == ANALYSE) {\r
+                               int depth=Uci->best_depth;//HACK: don't clear engine-output window...\r
+\r
+                               ASSERT(Uci->searching);\r
+                               ASSERT(Uci->pending_nb>=1);\r
+\r
+                               if (Uci->root_move != MoveNone && move_is_legal(Uci->root_move,Uci->board)) {\r
+                                       move_to_san(Uci->root_move,Uci->board,move_string,256);\r
+                                       gui_send(GUI,"stat01: %.0f "S64_FORMAT" %d %d %d %s",Uci->time*100.0,Uci->node_nb,/*Uci->*/depth,Uci->root_move_nb-(Uci->root_move_pos+1),Uci->root_move_nb,move_string);\r
+                               } else {\r
+                                       gui_send(GUI,"stat01: %.0f "S64_FORMAT" %d %d %d",Uci->time*100.0,Uci->node_nb,/*Uci->*/depth,0,0); // HACK\r
+                               }\r
+                       }\r
+\r
+               } else if (match(string,"?")) { // move now\r
+\r
+                       if (State->state == THINK) {\r
+\r
+                               ASSERT(Uci->searching);\r
+                               ASSERT(Uci->pending_nb>=1);\r
+\r
+                               // HACK: just send "stop" to the engine\r
+\r
+                               if (Uci->searching) {\r
+                                       my_log("POLYGLOT STOP SEARCH\n");\r
+                                       engine_send(Engine,"stop");\r
+                               }\r
+                       }\r
+\r
+               } else { // unknown command, maybe a move?\r
+\r
+                       game_get_board(Game,board);\r
+                       move = move_from_san(string,board);\r
+\r
+                       if (move != MoveNone && move_is_legal(move,board)) {\r
+\r
+                               XB->new_hack = FALSE;\r
+                               ASSERT(!XB->result);\r
+                               XB->result = FALSE;\r
+\r
+                               move_step(move);\r
+                               no_mess(move);\r
+\r
+                       } else if (move != MoveNone) {\r
+\r
+                               gui_send(GUI,"Illegal move: %s",string);\r
+\r
+                       } else {\r
+\r
+                               gui_send(GUI,"Error (unknown command): %s",string);\r
+                       }\r
+               }\r
+       return;\r
+}\r
+\r
+// xboard2uci_engine_step()\r
+\r
+void xboard2uci_engine_step(char string[]) {\r
+\r
+       int event;\r
+               event = uci_parse(Uci,string);\r
+\r
+               // react to events\r
+\r
+               if ((event & EVENT_READY) != 0) {\r
+\r
+                       // the engine is now ready\r
+\r
+                       if (!Uci->ready) {\r
+                               Uci->ready = TRUE;\r
+                    // if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1");\r
+                       }\r
+\r
+                       if (!DelayPong && XB->ping >= 0) {\r
+                               gui_send(GUI,"pong %d",XB->ping);\r
+                               XB->ping = -1;\r
+                       }\r
+               }\r
+\r
+               if ((event & EVENT_MOVE) != 0 && State->state == THINK) {\r
+\r
+                       // the engine is playing a move\r
+\r
+                       // MEGA HACK: estimate remaining time because XBoard won't send it!\r
+\r
+                       my_timer_stop(State->timer);\r
+\r
+                       XB->my_time -= my_timer_elapsed_real(State->timer);\r
+                       XB->my_time += XB->inc;\r
+                       if (XB->mps != 0 && (game_move_nb(Game) + 1) % XB->mps == 0) XB->my_time += XB->base;\r
+\r
+                       if (XB->my_time < 0.0) XB->my_time = 0.0;\r
+\r
+                       // play the engine move\r
+\r
+                       comp_move(Uci->best_move);\r
+               }\r
+\r
+               if ((event & EVENT_PV) != 0) {\r
+\r
+                       // the engine has sent a new PV\r
+\r
+                       send_pv();\r
+               }\r
+               if((event & (EVENT_DRAW|EVENT_RESIGN))!=0){\r
+                       my_log("POYGLOT draw offer/resign from engine\n");\r
+                       if(uci_option_exist(Uci,"UCI_DrawOffers")){\r
+                               if(event & EVENT_DRAW)\r
+                                       gui_send(GUI,"offer draw");\r
+                               else\r
+                                       gui_send(GUI,"resign");\r
+                       }\r
+               }\r
+}\r
+\r
+// format_xboard_option_line\r
+\r
+void format_xboard_option_line(char * option_line, option_t *opt){\r
+    int j;\r
+    char option_string[StringSize];\r
+    strcpy(option_line,"");\r
+    strcat(option_line,"feature option=\"");\r
+    if(opt->mode&PG){\r
+        strcat(option_line,"Polyglot ");\r
+    }\r
+    sprintf(option_string,"%s",opt->name);\r
+    strcat(option_line,option_string);\r
+    sprintf(option_string," -%s",opt->type);\r
+    strcat(option_line,option_string);\r
+    if(strcmp(opt->type,"button") && strcmp(opt->type,"combo")){\r
+        if(strcmp(opt->type,"check")){\r
+            sprintf(option_string," %s",opt->default_);\r
+        }else{\r
+            sprintf(option_string," %d",\r
+                    strcmp(opt->default_,"TRUE")?0:1);\r
+        }\r
+        strcat(option_line,option_string);\r
+    }\r
+    if(!strcmp(opt->type,"spin")){\r
+        sprintf(option_string," %s",opt->min);\r
+            strcat(option_line,option_string);\r
+    }\r
+    if(!strcmp(opt->type,"spin")){\r
+        sprintf(option_string," %s",opt->max);\r
+        strcat(option_line,option_string);\r
+    }\r
+    for(j=0;j<opt->var_nb;j++){\r
+        if(!strcmp(opt->var[j],opt->default_)){\r
+            sprintf(option_string," *%s",opt->var[j]);\r
+        }else{\r
+            sprintf(option_string," %s",opt->var[j]);\r
+        }\r
+        strcat(option_line,option_string);\r
+        if(j!=opt->var_nb-1){\r
+            strcat(option_line," ///");\r
+        }\r
+    }\r
+    strcat(option_line,"\"");\r
+}\r
+\r
+// send_xboard_options\r
+\r
+static void send_xboard_options(){\r
+    int i;\r
+    char option_line[StringSize]="";\r
+    option_t *p=Option;\r
+    const char * name;\r
+    XB->proto_ver = atoi(Star[0]);\r
+    ASSERT(XB->proto_ver>=2);\r
+    \r
+    gui_send(GUI,"feature done=0");\r
+    \r
+    gui_send(GUI,"feature analyze=1");\r
+    gui_send(GUI,"feature colors=0");\r
+    gui_send(GUI,"feature draw=1");\r
+    gui_send(GUI,"feature ics=1");\r
+    gui_send(GUI,"feature myname=\"%s\"",option_get_string("EngineName"));\r
+    gui_send(GUI,"feature name=1");\r
+    gui_send(GUI,"feature pause=0");\r
+    gui_send(GUI,"feature ping=1");\r
+    gui_send(GUI,"feature playother=1");\r
+    gui_send(GUI,"feature reuse=1");\r
+    gui_send(GUI,"feature san=0");\r
+    gui_send(GUI,"feature setboard=1");\r
+    gui_send(GUI,"feature sigint=0");\r
+    gui_send(GUI,"feature sigterm=0");\r
+    gui_send(GUI,"feature time=1");\r
+    gui_send(GUI,"feature usermove=1");\r
+    if (XB->has_feature_memory){\r
+        gui_send(GUI,"feature memory=1");\r
+    }else{\r
+        gui_send(GUI,"feature memory=0");\r
+    }\r
+    if (XB->has_feature_smp){\r
+        gui_send(GUI,"feature smp=1");\r
+    }else{\r
+        gui_send(GUI,"feature smp=0");\r
+    }\r
+    if (XB->has_feature_egt){\r
+            // TODO: support for other types of table bases\r
+        gui_send(GUI,"feature egt=\"nalimov\"");\r
+    }else{\r
+        gui_send(GUI,"feature egt=\"\"");\r
+    }\r
+    \r
+    if (uci_option_exist(Uci,"UCI_Chess960")) {\r
+        gui_send(GUI,"feature variants=\"normal,fischerandom\"");\r
+    } else {\r
+        gui_send(GUI,"feature variants=\"normal\"");\r
+    }\r
+    \r
+    for(i=0;i<Uci->option_nb;i++){\r
+        if(my_string_case_equal(Uci->option[i].name,"UCI_AnalyseMode")) continue;\r
+        if(my_string_case_equal(Uci->option[i].name,"Ponder")) continue;\r
+        if(my_string_case_equal(Uci->option[i].name,"Hash")) continue;\r
+        if(my_string_case_equal(Uci->option[i].name,"NalimovPath")) continue;\r
+        if((name=uci_thread_option(Uci))!=NULL && my_string_case_equal(Uci->option[i].name,name)) continue;\r
+        format_xboard_option_line(option_line,Uci->option+i);\r
+\r
+        gui_send(GUI,"%s",option_line);\r
+\r
+    }\r
+    while(p->name){\r
+        if(p->mode &XBOARD){\r
+            format_xboard_option_line(option_line,p);\r
+            gui_send(GUI,"%s",option_line);\r
+        }\r
+        p++;\r
+    }       \r
+    gui_send(GUI,"feature done=1"); \r
+    \r
+}\r
+\r
+// report_best_score()\r
+\r
+static int report_best_score(){\r
+    if(!option_get_bool("ScoreWhite") || colour_is_white(Uci->board->turn)){\r
+        return Uci->best_score;\r
+    }else{\r
+        return -Uci->best_score;\r
+    }\r
+}\r
+\r
+// comp_move()\r
+\r
+static void comp_move(int move) {\r
+\r
+   board_t board[1];\r
+   char string[256];\r
+\r
+   ASSERT(move_is_ok(move));\r
+\r
+   ASSERT(State->state==THINK);\r
+   ASSERT(!XB->analyse);\r
+\r
+   if(option_get_bool("RepeatPV"))\r
+          send_pv(); // to update time and nodes\r
+\r
+   // send the move\r
+\r
+   game_get_board(Game,board);\r
+\r
+   if (move_is_castle(move,board) && option_get_bool("Chess960")) {\r
+      if (!move_to_san(move,board,string,256)) my_fatal("comp_move(): move_to_san() failed\n"); // O-O/O-O-O\r
+   } else {\r
+      if (!move_to_can(move,board,string,256)) my_fatal("comp_move(): move_to_can() failed\n");\r
+   }\r
+\r
+   gui_send(GUI,"move %s",string);\r
+\r
+   // resign?\r
+\r
+   if (option_get_bool("Resign") && Uci->root_move_nb > 1) {\r
+\r
+      if (Uci->best_score <= -abs(option_get_int("ResignScore"))) {\r
+\r
+         State->resign_nb++;\r
+         my_log("POLYGLOT %d move%s with resign score\n",State->resign_nb,(State->resign_nb>1)?"s":"");\r
+\r
+         if (State->resign_nb >= option_get_int("ResignMoves")) {\r
+            my_log("POLYGLOT *** RESIGN ***\n");\r
+            gui_send(GUI,"resign");\r
+         }\r
+\r
+      } else {\r
+\r
+         if (State->resign_nb > 0) my_log("POLYGLOT resign reset (State->resign_nb=%d)\n",State->resign_nb);\r
+         State->resign_nb = 0;\r
+      }\r
+   }\r
+\r
+   // play the move\r
+\r
+   move_step(move);\r
+   no_mess(move);\r
+}\r
+\r
+// move_step()\r
+\r
+static void move_step(int move) {\r
+\r
+   board_t board[1];\r
+   char move_string[256];\r
+\r
+   ASSERT(move_is_ok(move));\r
+\r
+   // log\r
+\r
+   game_get_board(Game,board);\r
+\r
+   if (move != MoveNone && move_is_legal(move,board)) {\r
+\r
+      move_to_san(move,board,move_string,256);\r
+      my_log("POLYGLOT MOVE %s\n",move_string);\r
+\r
+   } else {\r
+\r
+      move_to_can(move,board,move_string,256);\r
+      my_log("POLYGLOT ILLEGAL MOVE \"%s\"\n",move_string);\r
+      board_disp(board);\r
+\r
+      my_fatal("move_step(): illegal move \"%s\"\n",move_string);\r
+   }\r
+\r
+   // play the move\r
+\r
+   game_add_move(Game,move);\r
+   board_update();\r
+}\r
+\r
+// board_update()\r
+\r
+static void board_update() {\r
+\r
+   // handle game end\r
+\r
+   ASSERT(!XB->result);\r
+\r
+   switch (game_status(Game)) {\r
+   case PLAYING:\r
+      break;\r
+   case WHITE_MATES:\r
+      gui_send(GUI,"1-0 {White mates}");\r
+      break;\r
+   case BLACK_MATES:\r
+      gui_send(GUI,"0-1 {Black mates}");\r
+      break;\r
+   case STALEMATE:\r
+      gui_send(GUI,"1/2-1/2 {Stalemate}");\r
+      break;\r
+   case DRAW_MATERIAL:\r
+      gui_send(GUI,"1/2-1/2 {Draw by insufficient material}");\r
+      break;\r
+   case DRAW_FIFTY:\r
+      gui_send(GUI,"1/2-1/2 {Draw by fifty-move rule}");\r
+      break;\r
+   case DRAW_REPETITION:\r
+      gui_send(GUI,"1/2-1/2 {Draw by repetition}");\r
+      break;\r
+   default:\r
+      ASSERT(FALSE);\r
+      break;\r
+   }\r
+}\r
+\r
+// mess()\r
+\r
+static void mess() {\r
+\r
+   // clear state variables\r
+\r
+   State->resign_nb = 0;\r
+   State->exp_move = MoveNone;\r
+   my_timer_reset(State->timer);\r
+\r
+   // abort a possible search\r
+\r
+   stop_search();\r
+\r
+   // calculate the new state\r
+\r
+   if (FALSE) {\r
+   } else if (!active()) {\r
+      State->state = WAIT;\r
+      my_log("POLYGLOT WAIT\n");\r
+   } else if (XB->analyse) {\r
+      State->state = ANALYSE;\r
+      my_log("POLYGLOT ANALYSE\n");\r
+   } else if (State->computer[game_turn(Game)]) {\r
+      State->state = THINK;\r
+      my_log("POLYGLOT THINK\n");\r
+   } else {\r
+      State->state = WAIT;\r
+      my_log("POLYGLOT WAIT\n");\r
+   }\r
+\r
+   search_update();\r
+}\r
+\r
+// no_mess()\r
+\r
+static void no_mess(int move) {\r
+\r
+   ASSERT(move_is_ok(move));\r
+\r
+   // just received a move, calculate the new state\r
+\r
+   if (FALSE) {\r
+\r
+   } else if (!active()) {\r
+\r
+      stop_search(); // abort a possible search\r
+\r
+      State->state = WAIT;\r
+      State->exp_move = MoveNone;\r
+\r
+      my_log("POLYGLOT WAIT\n");\r
+\r
+   } else if (State->state == WAIT) {\r
+\r
+      ASSERT(State->computer[game_turn(Game)]);\r
+      ASSERT(!State->computer[colour_opp(game_turn(Game))]);\r
+      ASSERT(!XB->analyse);\r
+\r
+      my_log("POLYGLOT WAIT -> THINK\n");\r
+\r
+      State->state = THINK;\r
+      State->exp_move = MoveNone;\r
+\r
+   } else if (State->state == THINK) {\r
+\r
+      ASSERT(!State->computer[game_turn(Game)]);\r
+      ASSERT(State->computer[colour_opp(game_turn(Game))]);\r
+      ASSERT(!XB->analyse);\r
+\r
+      if (ponder() && ponder_ok(Uci->ponder_move)) {\r
+\r
+         my_log("POLYGLOT THINK -> PONDER\n");\r
+\r
+         State->state = PONDER;\r
+         State->exp_move = Uci->ponder_move;\r
+\r
+      } else {\r
+\r
+         my_log("POLYGLOT THINK -> WAIT\n");\r
+\r
+         State->state = WAIT;\r
+         State->exp_move = MoveNone;\r
+      }\r
+\r
+   } else if (State->state == PONDER) {\r
+\r
+      ASSERT(State->computer[game_turn(Game)]);\r
+      ASSERT(!State->computer[colour_opp(game_turn(Game))]);\r
+      ASSERT(!XB->analyse);\r
+\r
+      if (move == State->exp_move && Uci->searching) {\r
+\r
+         ASSERT(Uci->searching);\r
+         ASSERT(Uci->pending_nb>=1);\r
+\r
+         my_timer_start(State->timer);//also resets\r
+\r
+         my_log("POLYGLOT PONDER -> THINK (*** HIT ***)\n");\r
+         engine_send(Engine,"ponderhit");\r
+\r
+         State->state = THINK;\r
+         State->exp_move = MoveNone;\r
+\r
+         send_pv(); // update display\r
+\r
+         return; // do not launch a new search\r
+\r
+      } else {\r
+\r
+         my_log("POLYGLOT PONDER -> THINK (miss)\n");\r
+\r
+         stop_search();\r
+\r
+         State->state = THINK;\r
+         State->exp_move = MoveNone;\r
+      }\r
+\r
+   } else if (State->state == ANALYSE) {\r
+\r
+      ASSERT(XB->analyse);\r
+\r
+      my_log("POLYGLOT ANALYSE -> ANALYSE\n");\r
+\r
+      stop_search();\r
+\r
+   } else {\r
+\r
+      ASSERT(FALSE);\r
+   }\r
+\r
+   search_update();\r
+}\r
+\r
+// start_protected_command()\r
+\r
+static void start_protected_command(){\r
+    stop_search();\r
+}\r
+\r
+static void end_protected_command(){\r
+    if(Uci->ready){ // not init faze\r
+        uci_send_isready_sync(Uci); // gobble up spurious "bestmove"\r
+    }\r
+    update_remaining_time();\r
+    search_update();   // relaunch search if necessary\r
+}\r
+\r
+// update_remaining_time()\r
+\r
+static void update_remaining_time(){\r
+   double reduce;\r
+   if(State->timer->running){\r
+       my_timer_stop(State->timer);\r
+       reduce = my_timer_elapsed_real(State->timer);\r
+       my_log("POLYGLOT reducing remaing time by %f seconds\n",reduce);\r
+       XB->my_time -= reduce;\r
+       if(XB->my_time<0.0){\r
+           XB->my_time=0.0;\r
+       }\r
+   }\r
+}\r
+\r
+\r
+// search_update()\r
+\r
+static void search_update() {\r
+\r
+   int move;\r
+   int move_nb;\r
+   board_t board[1];\r
+\r
+   ASSERT(!Uci->searching);\r
+\r
+\r
+\r
+   \r
+   // launch a new search if needed\r
+\r
+   \r
+\r
+   if (State->state == THINK || State->state == PONDER || State->state == ANALYSE) {\r
+\r
+      // opening book\r
+\r
+      if (State->state == THINK && option_get_bool("Book")) {\r
+\r
+         game_get_board(Game,Uci->board);\r
+\r
+         move = book_move(Uci->board,option_get_bool("BookRandom"));\r
+\r
+         if (move != MoveNone && move_is_legal(move,Uci->board)) {\r
+\r
+            my_log("POLYGLOT *BOOK MOVE*\n");\r
+\r
+            search_clear(); // clears Uci->ponder_move\r
+            Uci->best_move = move;\r
+\r
+            board_copy(board,Uci->board);\r
+            move_do(board,move);\r
+            Uci->ponder_move = book_move(board,FALSE); // expected move = best book move\r
+\r
+            Uci->best_pv[0] = Uci->best_move;\r
+            Uci->best_pv[1] = Uci->ponder_move; // can be MoveNone\r
+            Uci->best_pv[2] = MoveNone;\r
+\r
+            comp_move(Uci->best_move);\r
+\r
+            return;\r
+         }\r
+      }\r
+\r
+      // engine search\r
+\r
+      my_log("POLYGLOT START SEARCH\n");\r
+\r
+      // options\r
+\r
+      uci_send_option(Uci,"UCI_Chess960","%s",option_get_bool("Chess960")?"TRUE":"FALSE");\r
+\r
+      if (option_get_int("UCIVersion") >= 2) {\r
+         uci_send_option(Uci,"UCI_Opponent","none none %s %s",(XB->computer)?"computer":"human",XB->name);\r
+         uci_send_option(Uci,"UCI_AnalyseMode","%s",(XB->analyse)?"TRUE":"FALSE");\r
+      }\r
+\r
+      uci_send_option(Uci,"Ponder","%s",ponder()?"TRUE":"FALSE");\r
+\r
+      // position\r
+\r
+      move = (State->state == PONDER) ? State->exp_move : MoveNone;\r
+      send_board(move); // updates Uci->board global variable\r
+\r
+      // search\r
+\r
+      if (State->state == THINK || State->state == PONDER) {\r
+\r
+         engine_send_queue(Engine,"go");\r
+\r
+         if (XB->time_limit) {\r
+\r
+            // fixed time per move\r
+\r
+            engine_send_queue(Engine," movetime %.0f",XB->time_max*1000.0);\r
+\r
+         } else {\r
+\r
+            // time controls\r
+\r
+            if (colour_is_white(Uci->board->turn)) {\r
+               engine_send_queue(Engine," wtime %.0f btime %.0f",XB->my_time*1000.0,XB->opp_time*1000.0);\r
+            } else {\r
+               engine_send_queue(Engine," wtime %.0f btime %.0f",XB->opp_time*1000.0,XB->my_time*1000.0);\r
+            }\r
+\r
+            if (XB->inc != 0.0) engine_send_queue(Engine," winc %.0f binc %.0f",XB->inc*1000.0,XB->inc*1000.0);\r
+\r
+            if (XB->mps != 0) {\r
+\r
+               move_nb = XB->mps - (Uci->board->move_nb % XB->mps);\r
+               ASSERT(move_nb>=1&&move_nb<=XB->mps);\r
+\r
+               engine_send_queue(Engine," movestogo %d",move_nb);\r
+            }\r
+         }\r
+\r
+         if (XB->depth_limit) engine_send_queue(Engine," depth %d",XB->depth_max);\r
+\r
+         if (State->state == PONDER) engine_send_queue(Engine," ponder");\r
+\r
+         engine_send(Engine,""); // newline\r
+\r
+      } else if (State->state == ANALYSE) {\r
+\r
+         engine_send(Engine,"go infinite");\r
+\r
+      } else {\r
+\r
+         ASSERT(FALSE);\r
+      }\r
+\r
+      // init search info\r
+\r
+      ASSERT(!Uci->searching);\r
+\r
+      search_clear();\r
+\r
+      Uci->searching = TRUE;\r
+      Uci->pending_nb++;\r
+   }\r
+}\r
+\r
+// search_clear()\r
+\r
+static void search_clear() {\r
+\r
+   uci_clear(Uci);\r
+\r
+   // TODO: MOVE ME\r
+\r
+   my_timer_start(State->timer);//also resets\r
+}\r
+\r
+// active()\r
+\r
+static bool active() {\r
+\r
+   // position state\r
+\r
+   if (game_status(Game) != PLAYING) return FALSE; // game ended\r
+\r
+   // xboard state\r
+\r
+   if (XB->analyse) return TRUE; // analysing\r
+   if (!State->computer[White] && !State->computer[Black]) return FALSE; // force mode\r
+   if (XB->new_hack || XB->result) return FALSE; // unstarted or ended game\r
+\r
+   return TRUE; // playing\r
+}\r
+\r
+// ponder()\r
+\r
+static bool ponder() {\r
+\r
+   return XB->ponder && (option_get_bool("CanPonder") || uci_option_exist(Uci,"Ponder"));\r
+}\r
+// ponder_ok()\r
+\r
+static bool ponder_ok(int move) {\r
+   int status;\r
+   board_t board[1];\r
+\r
+   ASSERT(move==MoveNone||move_is_ok(move));\r
+\r
+   // legal ponder move?\r
+\r
+   if (move == MoveNone) return FALSE;\r
+\r
+   game_get_board(Game,board);\r
+   if (!move_is_legal(move,board)) return FALSE;\r
+\r
+   // UCI-legal resulting position?\r
+\r
+   game_add_move(Game,move);\r
+\r
+   game_get_board(Game,board);\r
+   status = game_status(Game);\r
+\r
+   game_rem_move(Game);\r
+\r
+   if (status != PLAYING) return FALSE; // game ended\r
+\r
+   if (option_get_bool("Book") && is_in_book(board)) {\r
+      return FALSE;\r
+   }\r
+\r
+   return TRUE;\r
+}\r
+\r
+// stop_search()\r
+\r
+static void stop_search() {\r
+\r
+   if (Uci->searching) {\r
+\r
+      ASSERT(Uci->searching);\r
+      ASSERT(Uci->pending_nb>=1);\r
+\r
+      my_log("POLYGLOT STOP SEARCH\n");\r
+\r
+/*\r
+      engine_send(Engine,"stop");\r
+      Uci->searching = FALSE;\r
+*/\r
+\r
+      if (option_get_bool("SyncStop")) {\r
+         uci_send_stop_sync(Uci);\r
+      } else {\r
+         uci_send_stop(Uci);\r
+      }\r
+       }\r
+}\r
+\r
+// send_board()\r
+\r
+static void send_board(int extra_move) {\r
+\r
+   char fen[256];\r
+   int start, end;\r
+   board_t board[1];\r
+   int pos;\r
+   int move;\r
+   char string[256];\r
+\r
+   ASSERT(extra_move==MoveNone||move_is_ok(extra_move));\r
+\r
+   ASSERT(!Uci->searching);\r
+\r
+   // init\r
+\r
+   game_get_board(Game,Uci->board);\r
+   if (extra_move != MoveNone) move_do(Uci->board,extra_move);\r
+\r
+   board_to_fen(Uci->board,fen,256);\r
+   my_log("POLYGLOT FEN %s\n",fen);\r
+\r
+   ASSERT(board_can_play(Uci->board));\r
+\r
+   // more init\r
+\r
+   start = 0;\r
+   end = game_pos(Game);\r
+   ASSERT(end>=start);\r
+\r
+   // position\r
+\r
+   game_get_board_ex(Game,board,start);\r
+   board_to_fen(board,string,256);\r
+\r
+   engine_send_queue(Engine,"position");\r
+\r
+   if (my_string_equal(string,StartFen)) {\r
+      engine_send_queue(Engine," startpos");\r
+   } else {\r
+      engine_send_queue(Engine," fen %s",string);\r
+   }\r
+\r
+   // move list\r
+\r
+   if (end > start || extra_move != MoveNone) engine_send_queue(Engine," moves");\r
+\r
+   for (pos = start; pos < end; pos++) { // game moves\r
+\r
+      move = game_move(Game,pos);\r
+\r
+      move_to_can(move,board,string,256);\r
+      engine_send_queue(Engine," %s",string);\r
+\r
+      move_do(board,move);\r
+   }\r
+\r
+   if (extra_move != MoveNone) { // move to ponder on\r
+      move_to_can(extra_move,board,string,256);\r
+      engine_send_queue(Engine," %s",string);\r
+   }\r
+\r
+   // end\r
+\r
+   engine_send(Engine,""); // newline\r
+}\r
+\r
+// send_pv()\r
+\r
+static void send_pv() {\r
+\r
+   char pv_string[StringSize];\r
+   board_t board[1];\r
+   int move;\r
+   char move_string[StringSize];\r
+\r
+   ASSERT(State->state!=WAIT);\r
+\r
+   if (Uci->best_depth == 0) return;\r
+\r
+   // xboard search information\r
+\r
+   if (XB->post) {\r
+\r
+      if (State->state == THINK || State->state == ANALYSE) {\r
+\r
+         line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
+\r
+                if(Uci->depth==-1) //hack to clear the engine output window\r
+             gui_send(GUI,"%d %+d %.0f "S64_FORMAT" ",0,report_best_score(),Uci->time*100.0,Uci->node_nb);\r
+\r
+                gui_send(GUI,"%d %+d %.0f "S64_FORMAT" %s",Uci->best_depth,report_best_score(),Uci->time*100.0,Uci->node_nb,pv_string);\r
+\r
+      } else if (State->state == PONDER && option_get_bool("ShowPonder")) {\r
+\r
+         game_get_board(Game,board);\r
+         move = State->exp_move;\r
+\r
+         if (move != MoveNone && move_is_legal(move,board)) {\r
+            move_to_san(move,board,move_string,256);\r
+            line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
+            gui_send(GUI,"%d %+d %.0f "S64_FORMAT" (%s) %s",Uci->best_depth,report_best_score(),Uci->time*100.0,Uci->node_nb,move_string,pv_string);\r
+         }\r
+      }\r
+   }\r
+\r
+   // kibitz\r
+\r
+   if ((Uci->searching && option_get_bool("KibitzPV") && Uci->time >= option_get_double("KibitzDelay"))\r
+    || (!Uci->searching && option_get_bool("KibitzMove"))) {\r
+\r
+      if (State->state == THINK || State->state == ANALYSE) {\r
+\r
+         line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
+         if(kibitz_throttle(Uci->searching)){\r
+             gui_send(GUI,"%s depth=%d time=%.2f node="S64_FORMAT" speed=%.0f score=%+.2f pv=\"%s\"",option_get_string("KibitzCommand"),Uci->best_depth,Uci->time,Uci->node_nb,Uci->speed,((double)report_best_score())/100.0,pv_string);\r
+         }\r
+      } else if (State->state == PONDER) {\r
+\r
+         game_get_board(Game,board);\r
+         move = State->exp_move;\r
+\r
+         if (move != MoveNone && move_is_legal(move,board)) {\r
+            move_to_san(move,board,move_string,256);\r
+            line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
+            if(kibitz_throttle(Uci->searching)){\r
+                gui_send(GUI,"%s depth=%d time=%.2f node="S64_FORMAT" speed=%.0f score=%+.2f pv=\"(%s) %s\"",option_get_string("KibitzCommand"),Uci->best_depth,Uci->time,Uci->node_nb,Uci->speed,((double)report_best_score())/100.0,move_string,pv_string);\r
+            }\r
+         }\r
+      }\r
+   }\r
+}\r
+\r
+// kibitz_throttle()\r
+\r
+static bool kibitz_throttle(bool searching){\r
+    time_t curr_time;\r
+    static time_t lastKibitzMove=0;\r
+    static time_t lastKibitzPV=0;\r
+    curr_time = time(NULL);\r
+    if(searching){   // KibitzPV\r
+        if(curr_time >= (option_get_int("KibitzInterval") + lastKibitzPV)){\r
+            lastKibitzPV=curr_time;\r
+            return TRUE;\r
+        }\r
+    }else{       // KibitzMove\r
+        if(curr_time >= (option_get_int("KibitzInterval") + lastKibitzMove)){\r
+            lastKibitzPV=curr_time;\r
+            lastKibitzMove=curr_time;\r
+            return TRUE;\r
+        }        \r
+    }\r
+    return FALSE;\r
+}\r
+\r
+// learn()\r
+\r
+static void learn(int result) {\r
+\r
+   int pos;\r
+   board_t board[1];\r
+   int move;\r
+\r
+   ASSERT(result>=-1&&result<=+1);\r
+\r
+   ASSERT(XB->result);\r
+   ASSERT(State->computer[White]||State->computer[Black]);\r
+\r
+   // init\r
+\r
+   pos = 0;\r
+\r
+   if (FALSE) {\r
+   } else if (State->computer[White]) {\r
+      pos = 0;\r
+   } else if (State->computer[Black]) {\r
+      pos = 1;\r
+      result = -result;\r
+   } else {\r
+      my_fatal("learn(): unknown side\n");\r
+   }\r
+\r
+   if (FALSE) {\r
+   } else if (result > 0) {\r
+      my_log("POLYGLOT *LEARN WIN*\n");\r
+   } else if (result < 0) {\r
+      my_log("POLYGLOT *LEARN LOSS*\n");\r
+   } else {\r
+      my_log("POLYGLOT *LEARN DRAW*\n");\r
+   }\r
+\r
+   // loop\r
+\r
+   for (; pos < Game->size; pos += 2) {\r
+\r
+      game_get_board_ex(Game,board,pos);\r
+      move = game_move(Game,pos);\r
+\r
+      book_learn_move(board,move,result);\r
+   }\r
+\r
+   book_flush();\r
+}\r
+\r
+// end of adapter.cpp\r