X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=d05546f75ff7d6cae1157d92be10ae79b86eb37c;hp=33f3937738db900bb0c1ada00af6140c650e19c0;hb=1d2247aea39074d8ecea4a5ce81b1cf85165538e;hpb=76381cbd6903f8be571cbc0d644a0f78026134bc

diff --git a/src/position.h b/src/position.h
index 33f39377..d05546f7 100644
--- a/src/position.h
+++ b/src/position.h
@@ -86,8 +86,8 @@ struct UndoInfo {
   Key key, pawnKey, materialKey;
   int rule50;
   Move lastMove;
-  PieceType capture;
   Value mgValue, egValue;
+  PieceType capture;
 };
 
 
@@ -308,6 +308,9 @@ private:
   void undo_ep_move(Move m);
   void find_checkers();
 
+  template<PieceType Piece>
+  void update_checkers(Bitboard* pCheckersBB, Square ksq, Square from, Square to, Bitboard dcCandidates);
+
   template<PieceType Piece, bool FindPinned>
   Bitboard hidden_checks(Color c, Square ksq) const;
 
@@ -571,6 +574,16 @@ Bitboard Position::piece_attacks_square(Square f, Square t) const {
   return bit_is_set(piece_attacks<Piece>(f), t);
 }
 
+inline Bitboard Position::attacks_to(Square s, Color c) const {
+
+  return attacks_to(s) & pieces_of_color(c);
+}
+
+inline bool Position::square_is_attacked(Square s, Color c) const {
+
+  return attacks_to(s, c) != EmptyBoardBB;
+}
+
 inline bool Position::pawn_is_passed(Color c, Square s) const {
   return !(pawns(opposite_color(c)) & passed_pawn_mask(c, s));
 }