X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=moves.h;h=f50ea085ea8ca7e5ee3ff67feab4bc3dd30a6dca;hb=0efdc4c5ef60cf4c15e9dddf3658d2115e4d5d93;hp=cc70260eef0a37529d122d82c83c642d148a36d6;hpb=93077be9f3009b8eb6ad64067f31d000aaf284c3;p=xboard.git

diff --git a/moves.h b/moves.h
index cc70260..f50ea08 100644
--- a/moves.h
+++ b/moves.h
@@ -73,6 +73,7 @@ typedef void (*MoveCallback) P((Board board, int flags, ChessMove kind,
 #define F_ATOMIC_CAPTURE 128    /* capturing piece explodes, destroying itself
 				   and all non-pawns on adjacent squares; 
 				   destroying your own king is illegal */
+#define F_FRC_TYPE_CASTLING 256 /* generate castlings as captures of own Rook */
 
 /* Special epfile values. [HGM] positive values are non-reversible moves! */
 #define EP_NONE (-4)           /* [HGM] Tricky! order matters:            */