X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=5d14f0642195febc82309eff7234f5a3c2811425;hp=8f2539013cbd00dd848b3313f5295a4317f092d2;hb=f2e78d9f841b53b8d512ad2687ff982cf841df58;hpb=1a8e3f0b2e9e2a5b8a01b645ce1fc5b12e0aec55

diff --git a/src/position.h b/src/position.h
index 8f253901..5d14f064 100644
--- a/src/position.h
+++ b/src/position.h
@@ -148,13 +148,13 @@ public:
   template<PieceType> Bitboard attacks_from(Square s, Color c) const;
 
   // Properties of moves
-  bool pl_move_is_legal(Move m, Bitboard pinned) const;
-  bool move_is_pl(const Move m) const;
   bool move_gives_check(Move m, const CheckInfo& ci) const;
-  bool move_is_capture(Move m) const;
-  bool move_is_capture_or_promotion(Move m) const;
-  bool move_is_passed_pawn_push(Move m) const;
   bool move_attacks_square(Move m, Square s) 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;
+  bool is_capture_or_promotion(Move m) const;
+  bool is_passed_pawn_push(Move m) const;
 
   // Piece captured with previous moves
   PieceType captured_piece_type() const;
@@ -203,7 +203,7 @@ public:
   void set_nodes_searched(int64_t n);
 
   // Position consistency check, for debugging
-  bool is_ok(int* failedStep = NULL) const;
+  bool pos_is_ok(int* failedStep = NULL) const;
   void flip_me();
 
   // Global initialization
@@ -263,7 +263,7 @@ private:
 
   // Static variables
   static Score pieceSquareTable[16][64]; // [piece][square]
-  static Key zobrist[2][8][64];          // [color][pieceType][square]
+  static Key zobrist[2][8][64];          // [color][pieceType][square]/[piece count]
   static Key zobEp[64];                  // [square]
   static Key zobCastle[16];              // [castleRight]
   static Key zobSideToMove;
@@ -371,6 +371,14 @@ inline Bitboard Position::attacks_from<QUEEN>(Square s) const {
   return attacks_from<ROOK>(s) | attacks_from<BISHOP>(s);
 }
 
+inline Bitboard Position::attacks_from(Piece p, Square s) const {
+  return attacks_from(p, s, occupied_squares());
+}
+
+inline Bitboard Position::attackers_to(Square s) const {
+  return attackers_to(s, occupied_squares());
+}
+
 inline Bitboard Position::checkers() const {
   return st->checkersBB;
 }
@@ -415,7 +423,7 @@ inline Value Position::non_pawn_material(Color c) const {
   return st->npMaterial[c];
 }
 
-inline bool Position::move_is_passed_pawn_push(Move m) const {
+inline bool Position::is_passed_pawn_push(Move m) const {
 
   return   board[move_from(m)] == make_piece(sideToMove, PAWN)
         && pawn_is_passed(sideToMove, move_to(m));
@@ -440,17 +448,17 @@ inline bool Position::is_chess960() const {
   return chess960;
 }
 
-inline bool Position::move_is_capture_or_promotion(Move m) const {
+inline bool Position::is_capture_or_promotion(Move m) const {
 
-  assert(move_is_ok(m));
-  return move_is_special(m) ? !move_is_castle(m) : !square_is_empty(move_to(m));
+  assert(is_ok(m));
+  return is_special(m) ? !is_castle(m) : !square_is_empty(move_to(m));
 }
 
-inline bool Position::move_is_capture(Move m) const {
+inline bool Position::is_capture(Move m) const {
 
   // Note that castle is coded as "king captures the rook"
-  assert(move_is_ok(m));
-  return (!square_is_empty(move_to(m)) && !move_is_castle(m)) || move_is_ep(m);
+  assert(is_ok(m));
+  return (!square_is_empty(move_to(m)) && !is_castle(m)) || is_enpassant(m);
 }
 
 inline PieceType Position::captured_piece_type() const {