From: H.G.Muller <hgm@hgm-xboard.(none)>
Date: Thu, 16 Oct 2014 19:44:33 +0000 (+0200)
Subject: Fix loading of engine-defined PGN games
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=837f9247aaf15b2440dacd4ae4672a0f3f99f787;p=xboard.git

Fix loading of engine-defined PGN games

Somehow there could be disagreement over what the official opening
position of an engine-defined variant was during loading of the game.
It then refused Betza-defined castling, which tests the corner pieces
based on this initial position. We now assume the FEN tag, which such
a PGN game will always contain, holds the official opening position,
so that castling will always be assumed possible (if there is a corner
piece).
---

diff --git a/backend.c b/backend.c
index e50e869..bab4386 100644
--- a/backend.c
+++ b/backend.c
@@ -12877,6 +12877,8 @@ LoadGame (FILE *f, int gameNumber, char *title, int useList)
 	    return FALSE;
 	  }
 	  CopyBoard(boards[0], initial_position);
+	  if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
+	    CopyBoard(initialPosition, initial_position);
 	  if (blackPlaysFirst) {
 	    currentMove = forwardMostMove = backwardMostMove = 1;
 	    CopyBoard(boards[1], initial_position);