Implement aborting of games on engine request.

[xboard.git] / backend.c

diff --git a/backend.c b/backend.c
index 25134bf..3ab07f9 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -10632,6 +10632,10 @@ GameEnds (ChessMove result, char *resultDetails, int whosays)
                       resultDetails = buf;
                 }
                 /* (Claiming a loss is accepted no questions asked!) */
+           } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
+               forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
+               result = GameUnfinished;
+               if(!*appData.tourneyFile) matchGame--; // replay even in plain match
            }
            /* [HGM] bare: don't allow bare King to win */
            if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper