Check mate

1 files changed, 8 insertions, 0 deletions

diff --git a/board.h b/board.h
index eb50917..6b17d53 100644
--- a/board.h
+++ b/board.h
@@ -17,6 +17,10 @@ const int EMPTY = 0, PAWN = 1, ROOK = 2, KNIGHT = 3, BISHOP = 4, KING = 5, QUEEN
 // ...
 // WHITE WHITE WHITE  y = 7
 
+enum class CheckResult {
+	safe, check, checkmate, stalemate
+};
+
 
 #define IDX(x_, y_) (8 * (y_) + (x_))
 
@@ -59,6 +63,10 @@ public:
 
 	bool isValid(const Move &mv) const;  // SLOW
 
+	// SLOW; Only detects anything for the given player.
+	// Assumes no king has been taken yet.
+	CheckResult checkCheck(int player) const;
+
 	friend bool operator==(const Board &B1, const Board &B2);
 };