X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=27a70aaedde51b83a25cb22a216f474dde603896;hp=6351f58003557274955c7d69b7fd254c7d084c44;hb=dc88cd691f5b393fe52c1b2be93d467def7391ea;hpb=a358dfe934eeefc00ea9adb20d4a83c4cf4d4e1e

diff --git a/src/position.h b/src/position.h
index 6351f580..27a70aae 100644
--- a/src/position.h
+++ b/src/position.h
@@ -60,6 +60,14 @@ struct StateInfo {
   StateInfo* previous;
 };
 
+struct ReducedStateInfo {
+  Key pawnKey, materialKey;
+  Value npMaterial[2];
+  int castleRights, rule50, pliesFromNull;
+  Score psqScore;
+  Square epSquare;
+};
+
 
 /// The position data structure. A position consists of the following data:
 ///
@@ -133,6 +141,7 @@ public:
   // Properties of moves
   bool move_gives_check(Move m, const CheckInfo& ci) const;
   bool move_attacks_square(Move m, Square s) const;
+  bool move_is_legal(const Move m) const;
   bool pl_move_is_legal(Move m, Bitboard pinned) const;
   bool is_pseudo_legal(const Move m) const;
   bool is_capture(Move m) const;
@@ -189,7 +198,6 @@ private:
   void clear();
   void put_piece(Piece p, Square s);
   void set_castle_right(Color c, Square rfrom);
-  bool move_is_legal(const Move m) const;
 
   // Helper template functions
   template<bool Do> void do_castle_move(Move m);
@@ -416,14 +424,14 @@ inline bool Position::is_chess960() const {
 inline bool Position::is_capture_or_promotion(Move m) const {
 
   assert(is_ok(m));
-  return is_special(m) ? !is_castle(m) : !is_empty(to_sq(m));
+  return type_of(m) ? type_of(m) != CASTLE : !is_empty(to_sq(m));
 }
 
 inline bool Position::is_capture(Move m) const {
 
   // Note that castle is coded as "king captures the rook"
   assert(is_ok(m));
-  return (!is_empty(to_sq(m)) && !is_castle(m)) || is_enpassant(m);
+  return (!is_empty(to_sq(m)) && type_of(m) != CASTLE) || type_of(m) == ENPASSANT;
 }
 
 inline PieceType Position::captured_piece_type() const {