From 554e685e6c47d5e6c7baff69304d89064a0f49b7 Mon Sep 17 00:00:00 2001
From: H.G.Muller <hgm@hgm-xboard.(none)>
Date: Tue, 10 Apr 2018 18:07:23 +0200
Subject: [PATCH] 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.
---
 dropper.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dropper.c b/dropper.c
index 3730022..6f12051 100644
--- 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)
-- 
1.7.0.4