Simplify check extension

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index d470ef908e13a40b2196ece8fa2f1a05b169a01a..c226373b1f7cd3d1125b8434c4ad78e699e4e98d 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -115,7 +115,6 @@ public:
   Bitboard blockers_for_king(Color c) const;
   Bitboard check_squares(PieceType pt) const;
   Bitboard pinners(Color c) const;
-  bool is_discovered_check_on_king(Color c, Move m) const;
 
   // Attacks to/from a given square
   Bitboard attackers_to(Square s) const;
@@ -301,10 +300,6 @@ inline Bitboard Position::check_squares(PieceType pt) const {
   return st->checkSquares[pt];
 }
 
-inline bool Position::is_discovered_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));
 }