Tune null search reduction

[stockfish] / src / endgame.h

diff --git a/src/endgame.h b/src/endgame.h
index 394a6f62ae06c8e01d949338b31c14f02ce4bec7..c7f730005d78f7c6ba674286d21e47852d0aa592 100644 (file)
--- a/src/endgame.h
+++ b/src/endgame.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
@@ -42,19 +42,17 @@ enum EndgameType {
   KRKN,  // KR vs KN
   KQKP,  // KQ vs KP
   KQKR,  // KQ vs KR
-  KBBKN, // KBB vs KN
-  KmmKm, // K and two minors vs K and one or two minors
 
 
   // Scaling functions
   SCALE_FUNS,
 
-  KBPsK,   // KB+pawns vs K
-  KQKRPs,  // KQ vs KR+pawns
+  KBPsK,   // KB and pawns vs K
+  KQKRPs,  // KQ vs KR and pawns
   KRPKR,   // KRP vs KR
   KRPKB,   // KRP vs KB
   KRPPKRP, // KRPP vs KRP
-  KPsK,    // King and pawns vs king
+  KPsK,    // K and pawns vs K
   KBPKB,   // KBP vs KB
   KBPPKB,  // KBPP vs KB
   KBPKN,   // KBP vs KN
@@ -78,7 +76,7 @@ template<typename T>
 struct EndgameBase {
 
   virtual ~EndgameBase() {}
-  virtual Color color() const = 0;
+  virtual Color strong_side() const = 0;
   virtual T operator()(const Position&) const = 0;
 };
 
@@ -87,7 +85,7 @@ template<EndgameType E, typename T = typename eg_fun<(E > SCALE_FUNS)>::type>
 struct Endgame : public EndgameBase<T> {
 
   explicit Endgame(Color c) : strongSide(c), weakSide(~c) {}
-  Color color() const { return strongSide; }
+  Color strong_side() const { return strongSide; }
   T operator()(const Position&) const;
 
 private: