X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=97166360ff390c101c828e455930fcbd9d59682a;hp=9730d3dc24b253d276fdb8ffe2e0771cc91a8087;hb=0d69ac33ff1b0258c9b18dca48f7b8b40fab5713;hpb=bbb24625764619e5886ce0250739a4c9bfdb4d33

diff --git a/src/position.h b/src/position.h
index 9730d3dc..97166360 100644
--- a/src/position.h
+++ b/src/position.h
@@ -244,12 +244,13 @@ public:
 
   // Information about pawns
   bool pawn_is_passed(Color c, Square s) const;
-  bool pawn_is_isolated(Color c, Square s) const;
-  bool pawn_is_doubled(Color c, Square s) const;
+  static bool pawn_is_passed(Bitboard theirPawns, Color c, Square s);
+  static bool pawn_is_isolated(Bitboard ourPawns, Square s);
+  static bool pawn_is_doubled(Bitboard ourPawns, Color c, Square s);
 
   // Open and half-open files
-  bool file_is_open(File f) const;
-  bool file_is_half_open(Color c, File f) const;
+  static bool file_is_open(Bitboard pawns, File f);
+  static bool file_is_half_open(Bitboard pawns, File f);
 
   // Weak squares
   bool square_is_weak(Square s, Color c) const;
@@ -266,6 +267,7 @@ public:
   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
   Key get_key() const;
@@ -591,20 +593,24 @@ inline bool Position::pawn_is_passed(Color c, Square s) const {
   return !(pawns(opposite_color(c)) & passed_pawn_mask(c, s));
 }
 
-inline bool Position::pawn_is_isolated(Color c, Square s) const {
-  return !(pawns(c) & neighboring_files_bb(s));
+inline bool Position::pawn_is_passed(Bitboard theirPawns, Color c, Square s) {
+  return !(theirPawns & passed_pawn_mask(c, s));
 }
 
-inline bool Position::pawn_is_doubled(Color c, Square s) const {
-  return pawns(c) & squares_behind(c, s);
+inline bool Position::pawn_is_isolated(Bitboard ourPawns, Square s) {
+  return !(ourPawns & neighboring_files_bb(s));
 }
 
-inline bool Position::file_is_open(File f) const {
-  return !(pawns() & file_bb(f));
+inline bool Position::pawn_is_doubled(Bitboard ourPawns, Color c, Square s) {
+  return ourPawns & squares_behind(c, s);
 }
 
-inline bool Position::file_is_half_open(Color c, File f) const {
-  return !(pawns(c) & file_bb(f));
+inline bool Position::file_is_open(Bitboard pawns, File f) {
+  return !(pawns & file_bb(f));
+}
+
+inline bool Position::file_is_half_open(Bitboard pawns, File f) {
+  return !(pawns & file_bb(f));
 }
 
 inline bool Position::square_is_weak(Square s, Color c) const {
@@ -650,8 +656,8 @@ inline Value Position::non_pawn_material(Color c) const {
 inline Phase Position::game_phase() const {
 
   // Values modified by Joona Kiiski
-  static const Value MidgameLimit = Value(15713);
-  static const Value EndgameLimit = Value(4428);
+  static const Value MidgameLimit = Value(15581);
+  static const Value EndgameLimit = Value(3998);
 
   Value npm = non_pawn_material(WHITE) + non_pawn_material(BLACK);