X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=2106414ba2dd4f3475bf5cb42e2149539e939abf;hp=343751ede6201175c894c99c68c002b6495625ff;hb=4ae5a7b45a430aea5f4b21f9455b4db74ed1c44a;hpb=c83cbe42f3a6c9b145a4557ef874222fe685a9bc

diff --git a/src/position.h b/src/position.h
index 343751ed..2106414b 100644
--- a/src/position.h
+++ b/src/position.h
@@ -108,6 +108,7 @@ public:
   Bitboard checkers() const;
   Bitboard blockers_for_king(Color c) const;
   Bitboard check_squares(PieceType pt) const;
+  bool is_discovery_check_on_king(Color c, Move m) const;
 
   // Attacks to/from a given square
   Bitboard attackers_to(Square s) const;
@@ -316,6 +317,10 @@ inline Bitboard Position::check_squares(PieceType pt) const {
   return st->checkSquares[pt];
 }
 
+inline bool Position::is_discovery_check_on_king(Color c, Move m) const {
+  return st->blockersForKing[c] & from_sq(m);
+}
+
 inline bool Position::pawn_passed(Color c, Square s) const {
   return !(pieces(~c, PAWN) & passed_pawn_span(c, s));
 }