Convert gains to use a piece-to mapping

[stockfish] / src / history.h

diff --git a/src/history.h b/src/history.h
index b12169471842a50a6b85be1314082646462f1062..b1121d85d54ea40f470762e6d2af7ca46990191d 100644 (file)
--- a/src/history.h
+++ b/src/history.h
@@ -50,12 +50,12 @@ public:
   void success(Piece p, Square to, Depth d);
   void failure(Piece p, Square to, Depth d);
   int move_ordering_score(Piece p, Square to) const;
-  void set_gain(Piece p, Square from, Square to, Value delta);
-  Value gain(Piece p, Square from, Square to) const;
+  void set_gain(Piece p, Square to, Value delta);
+  Value gain(Piece p, Square to) const;
 
 private:
   int history[16][64];  // [piece][square]
-  int maxStaticValueDelta[16][64][64];  // [piece][from_square][to_square]
+  int maxStaticValueDelta[16][64];  // [piece][from_square][to_square]
 };