X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fposition.h;h=f145249c75051cd50403e550ab23a28576a92ace;hb=c9dcda6ac488c0058ebd567e1f52e30b8cd0db20;hp=6defeb22bd9cedc8fbab20b6a50c28773974bc0e;hpb=69a14554eebc1467db7234e354bfd864fa46b1b9;p=stockfish

diff --git a/src/position.h b/src/position.h
index 6defeb22..f145249c 100644
--- a/src/position.h
+++ b/src/position.h
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -141,7 +141,7 @@ public:
   void undo_null_move();
 
   // Static exchange evaluation
-  int see(Move m, int asymmThreshold = 0) const;
+  int see(Move m) const;
   int see_sign(Move m) const;
 
   // Accessing hash keys
@@ -327,7 +327,8 @@ inline bool Position::pawn_passed(Color c, Square s) const {
 }
 
 inline bool Position::advanced_pawn_push(Move m) const {
-  return pieces(PAWN) & TheirHalf[sideToMove] & from_sq(m);
+  return   type_of(moved_piece(m)) == PAWN
+        && relative_rank(sideToMove, from_sq(m)) > RANK_4;
 }
 
 inline Key Position::key() const {
@@ -378,7 +379,7 @@ inline bool Position::is_chess960() const {
 inline bool Position::capture_or_promotion(Move m) const {
 
   assert(is_ok(m));
-  return type_of(m) ? type_of(m) != CASTLING : !empty(to_sq(m));
+  return type_of(m) != NORMAL ? type_of(m) != CASTLING : !empty(to_sq(m));
 }
 
 inline bool Position::capture(Move m) const {