Fix taking back of moves

The loop over game history to remake the moves upto the desired position
was incrementing moveNr, but the RootMakeMove() it called already did that
too. With as a result that only white moves were replayed.

diff --git a/dropper.c b/dropper.c
index 3730022..6f12051 100644 (file)
--- a/dropper.c
+++ b/dropper.c
@@ -1718,7 +1718,7 @@ TakeBack (int n)
   int last;
   stm = Setup(NULL); // uses FEN saved during previous Setup
   last = moveNr - n; if(last < 0) last = 0;
-  for(moveNr=0; moveNr<last; moveNr++) RootMakeMove(gameMove[moveNr]);
+  for(moveNr=0; moveNr<last; ) RootMakeMove(gameMove[moveNr]);
 }
 
 void PrintResult(int stm, int score)