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qsearch: take in account enpassant in futility formula

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Should not change anything at ELO level but it is
the correct thing to do.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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Marco Costalba 2008-12-16 16:30:31 +01:00
parent bfbfc24d07
commit 725c504a5f
1 changed files with 1 additions and 0 deletions
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src/search.cpp
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@ -1487,6 +1487,7 @@ namespace {
Value futilityValue = staticValue Value futilityValue = staticValue
+ Max(pos.midgame_value_of_piece_on(move_to(move)), + Max(pos.midgame_value_of_piece_on(move_to(move)),
pos.endgame_value_of_piece_on(move_to(move))) pos.endgame_value_of_piece_on(move_to(move)))
+ (move_is_ep(move) ? PawnValueEndgame : Value(0))
+ FutilityMargin0 + FutilityMargin0
+ ei.futilityMargin; + ei.futilityMargin;