Keep track of number of remaining checks

[xboard.git] / common.h

diff --git a/common.h b/common.h
index 7e74e06..16942e5 100644 (file)
--- a/common.h
+++ b/common.h
@@ -181,6 +181,7 @@ typedef char *String;
 #define BOARD_RGHT   (gameInfo.boardWidth + gameInfo.holdingsWidth)
 #define CASTLING     (BOARD_RANKS-1)           /* [HGM] hide in upper rank   */
 #define VIRGIN       (BOARD_RANKS-2)           /* [HGM] pieces not moved     */
+#define CHECK_COUNT  CASTLING][(BOARD_FILES-8) /* [HGM] in upper rank        */
 #define LAST_TO      CASTLING][(BOARD_FILES-7) /* [HGM] in upper rank        */
 #define TOUCHED_W    CASTLING][(BOARD_FILES-6) /* [HGM] in upper rank        */
 #define TOUCHED_B    CASTLING][(BOARD_FILES-5) /* [HGM] in upper rank        */