X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fposition.h;h=cc606a5ab00af8dcb0d7a6dbed9ec326997b7222;hb=7077fbdd1481829a0a20b6975c4245609118b938;hp=485540ef866f9610ae9c1978701764816d90cbbc;hpb=5c75c1c2fbb7bb4f0bf7c44fb855c415b788cbf7;p=stockfish

diff --git a/src/position.h b/src/position.h
index 485540ef..cc606a5a 100644
--- a/src/position.h
+++ b/src/position.h
@@ -125,6 +125,7 @@ public:
   // Properties of moves
   bool legal(Move m) const;
   bool pseudo_legal(const Move m) const;
+  bool capture(Move m) const;
   bool capture_stage(Move m) const;
   bool gives_check(Move m) const;
   Piece moved_piece(Move m) const;
@@ -381,14 +382,18 @@ inline bool Position::is_chess960() const {
   return chess960;
 }
 
+inline bool Position::capture(Move m) const {
+  assert(is_ok(m));
+  return     (!empty(to_sq(m)) && type_of(m) != CASTLING)
+          ||  type_of(m) == EN_PASSANT;
+}
+
 // returns true if a move is generated from the capture stage
 // having also queen promotions covered, i.e. consistency with the capture stage move generation
 // is needed to avoid the generation of duplicate moves.
 inline bool Position::capture_stage(Move m) const {
   assert(is_ok(m));
-  return     (!empty(to_sq(m)) && type_of(m) != CASTLING)
-          || (type_of(m) == PROMOTION && promotion_type(m) == QUEEN)
-          ||  type_of(m) == EN_PASSANT;
+  return  capture(m) || promotion_type(m) == QUEEN;
 }
 
 inline Piece Position::captured_piece() const {