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Fixed a bug in PV extraction from the transposition table: The

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previous used move_is_legal to verify that the move from the TT
was legal, and the old version of move_is_legal only works when
the side to move is not in check. Fixed this by adding a separate,
slower version of move_is_legal which works even when the side to
move is in check.
This commit is contained in:
Tord Romstad
2009-08-06 18:07:32 +02:00
parent 2fff532f4e
commit ae49677446
3 changed files with 25 additions and 1 deletions
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src/movegen.h
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@@ -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)