Use special null move technique in low depth.

[stockfish] / src / movegen.h

diff --git a/src/movegen.h b/src/movegen.h
index c844efcd5742e69ea79219509af96369926e658e..991b0de30294e4eac09f07c696f2e0eedc3849e7 100644 (file)
--- a/src/movegen.h
+++ b/src/movegen.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 Marco Costalba
+  Copyright (C) 2008-2009 Marco Costalba
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -38,6 +38,7 @@ extern int generate_non_capture_checks(const Position& pos, MoveStack* mlist, Bi
 extern int generate_evasions(const Position& pos, MoveStack* mlist, Bitboard pinned);
 extern int generate_legal_moves(const Position& pos, MoveStack* mlist);
 extern bool move_is_legal(const Position& pos, const Move m, Bitboard pinned);
+extern bool move_is_legal(const Position& pos, const Move m);
 
 
 #endif // !defined(MOVEGEN_H_INCLUDED)