X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=b288d6bd5bd9b7c03cb14d2796130117b33f9acf;hb=5297eb5a91178cf9a403da89709a4661efde0210;hp=48695ad804485bf07ab19ee8a0c448fe2cf6da12;hpb=a70f567b63dafae38af86be07c0cc3112a013cca;p=xboard.git

diff --git a/backend.c b/backend.c
index 48695ad..b288d6b 100644
--- a/backend.c
+++ b/backend.c
@@ -6498,7 +6498,7 @@ SendBoard (ChessProgramState *cps, int moveNum)
        * deprecated "black" command.
        */
       if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
-        SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
+        SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
 
       if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
 
@@ -14877,7 +14877,9 @@ MachineWhiteEvent ()
 
 	safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
 	strcat(bookMove, bookHit);
-	HandleMachineMove(bookMove, &first);
+	savedMessage = bookMove; // args for deferred call
+	savedState = &first;
+	ScheduleDelayedEvent(DeferredBookMove, 1);
     }
 }
 
@@ -14952,7 +14954,9 @@ MachineBlackEvent ()
 
 	safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
 	strcat(bookMove, bookHit);
-	HandleMachineMove(bookMove, &first);
+	savedMessage = bookMove; // args for deferred call
+	savedState = &first;
+	ScheduleDelayedEvent(DeferredBookMove, 1);
     }
 }