X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fposition.h;h=b7a33bfada00a2202236802c4093f03f8d923dde;hb=141caf1d5b642bab826e2e8a7ab043b8c4928250;hp=e921b350cd7270f2fed7b632f0cc64821caf59fc;hpb=e6376d9b8daae0aa0dcda618ec6330bda2dcfaf7;p=stockfish

diff --git a/src/position.h b/src/position.h
index e921b350..b7a33bfa 100644
--- a/src/position.h
+++ b/src/position.h
@@ -50,9 +50,6 @@
 //// Constants
 ////
 
-/// FEN string for the initial position
-const std::string StartPositionFEN = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
-
 /// Maximum number of plies per game (220 should be enough, because the
 /// maximum search depth is 100, and during position setup we reset the
 /// move counter for every non-reversible move).
@@ -246,7 +243,6 @@ public:
   // Static exchange evaluation
   int see(Square from, Square to) const;
   int see(Move m) const;
-  int see(Square to) const;
   int see_sign(Move m) const;
 
   // Accessing hash keys
@@ -264,8 +260,8 @@ public:
   bool is_mate() const;
   bool is_draw() const;
 
-  // Check if one side threatens a mate in one
-  bool has_mate_threat(Color c);
+  // Check if side to move could be mated in one
+  bool has_mate_threat();
 
   // Number of plies since the last non-reversible move
   int rule_50_counter() const;
@@ -275,6 +271,7 @@ public:
   // Other properties of the position
   bool opposite_colored_bishops() const;
   bool has_pawn_on_7th(Color c) const;
+  bool is_chess960() const;
 
   // Current thread ID searching on the position
   int thread() const;
@@ -338,6 +335,7 @@ private:
   int castleRightsMask[64];
   StateInfo startState;
   File initialKFile, initialKRFile, initialQRFile;
+  bool isChess960;
   int startPosPlyCounter;
   int threadID;
   StateInfo* st;
@@ -349,6 +347,7 @@ private:
   static Key zobSideToMove;
   static Score PieceSquareTable[16][64];
   static Key zobExclusion;
+  static const Value seeValues[8];
 };
 
 
@@ -377,11 +376,11 @@ inline bool Position::square_is_occupied(Square s) const {
 }
 
 inline Value Position::midgame_value_of_piece_on(Square s) const {
-  return piece_value_midgame(piece_on(s));
+  return PieceValueMidgame[piece_on(s)];
 }
 
 inline Value Position::endgame_value_of_piece_on(Square s) const {
-  return piece_value_endgame(piece_on(s));
+  return PieceValueEndgame[piece_on(s)];
 }
 
 inline Color Position::side_to_move() const {
@@ -558,6 +557,11 @@ inline bool Position::has_pawn_on_7th(Color c) const {
   return pieces(PAWN, c) & relative_rank_bb(c, RANK_7);
 }
 
+inline bool Position::is_chess960() const {
+
+  return isChess960;
+}
+
 inline bool Position::move_is_capture(Move m) const {
 
   // Move must not be MOVE_NONE !