X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fendgame.cpp;h=2c87b2a128a4ec7108246c1f043156148fdee05b;hp=9cc0c37211d470c76d11e6b54045e55c0ad3b756;hb=950c8436edc50857b83eb3e0cbaca06407764655;hpb=fbb53524efd94c4b227c72c725c628a4aa5f9f72

diff --git a/src/endgame.cpp b/src/endgame.cpp
index 9cc0c372..2c87b2a1 100644
--- a/src/endgame.cpp
+++ b/src/endgame.cpp
@@ -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) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2015 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
@@ -167,7 +167,8 @@ Value Endgame<KXK>::operator()(const Position& pos) const {
   if (   pos.count<QUEEN>(strongSide)
       || pos.count<ROOK>(strongSide)
       ||(pos.count<BISHOP>(strongSide) && pos.count<KNIGHT>(strongSide))
-      || pos.bishop_pair(strongSide))
+      ||(pos.count<BISHOP>(strongSide) > 1 && opposite_colors(pos.list<BISHOP>(strongSide)[0],
+                                                              pos.list<BISHOP>(strongSide)[1])))
       result += VALUE_KNOWN_WIN;
 
   return strongSide == pos.side_to_move() ? result : -result;
@@ -217,7 +218,7 @@ Value Endgame<KPK>::operator()(const Position& pos) const {
 
   Color us = strongSide == pos.side_to_move() ? WHITE : BLACK;
 
-  if (!Bitbases::probe_kpk(wksq, psq, bksq, us))
+  if (!Bitbases::probe(wksq, psq, bksq, us))
       return VALUE_DRAW;
 
   Value result = VALUE_KNOWN_WIN + PawnValueEg + Value(rank_of(psq));
@@ -852,5 +853,5 @@ ScaleFactor Endgame<KPKP>::operator()(const Position& pos) const {
 
   // Probe the KPK bitbase with the weakest side's pawn removed. If it's a draw,
   // it's probably at least a draw even with the pawn.
-  return Bitbases::probe_kpk(wksq, psq, bksq, us) ? SCALE_FACTOR_NONE : SCALE_FACTOR_DRAW;
+  return Bitbases::probe(wksq, psq, bksq, us) ? SCALE_FACTOR_NONE : SCALE_FACTOR_DRAW;
 }