X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=moves.h;h=73cf6047e1ecde252d2dfd9afd4154f86611588b;hb=b084b634733361a70ef87a79e4554ea598154a04;hp=e81b105bed4c8aea59613d5033a538f0874fccf7;hpb=91d8e5853ca580769cc130aa6ea004869118d171;p=xboard.git

diff --git a/moves.h b/moves.h
index e81b105..73cf604 100644
--- a/moves.h
+++ b/moves.h
@@ -77,6 +77,7 @@ typedef void (*MoveCallback) P((Board board, int flags, ChessMove kind,
 				   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 */
+#define F_MANDATORY_CAPTURE 0x200
 
 /* Special epfile values. [HGM] positive values are non-reversible moves! */
 #define EP_NONE (-4)           /* [HGM] Tricky! order matters:            */