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Don't prune discovered checks

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Don't prune and eventually extend check moves of type
DISCO_CHECK (pun intended, Lucas will understand :-) ).

Patch from Lucas Braesch that has also tested it:

Result: 879-661-2137, score=52.96%, LOS=100.00% (time 10"+0.1")

I have started a verification test right now.

bench: 6004966
This commit is contained in:
Marco Costalba
2012-11-07 18:20:39 +01:00
parent 3b87314331
commit 96d3b1c92b
4 changed files with 22 additions and 12 deletions
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2
src/position.h
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@@ -136,7 +136,7 @@ public:
template<PieceType> Bitboard attacks_from(Square s, Color c) const;
// Properties of moves
bool move_gives_check(Move m, const CheckInfo& ci) const;
CheckType move_gives_check(Move m, const CheckInfo& ci) const;
bool move_is_legal(const Move m) const;
bool pl_move_is_legal(Move m, Bitboard pinned) const;
bool is_pseudo_legal(const Move m) const;