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Try the opposite: skip the OnlyPawnDefender bonus
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Bench: 3760549
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@snicolet
snicolet committed Sep 11, 2019
1 parent b0c07b5 commit 798a2b4
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion src/evaluate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -578,7 +578,7 @@ namespace {
}

// Bonus for threats on blocked pawns which has only one non-pawn defender
if (pos.rule50_count() > 6)
if (pos.rule50_count() <= 6)
{
b = pos.pieces(Them, PAWN)
& shift<Up>(pos.pieces(Us, PAWN))
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2 comments on commit 798a2b4

@Rocky640
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Stéphane, have you tried something like replacing

& shift<Up>(pos.pieces(Us, PAWN))
with
& shift<Up>(pos.pieces(Us, PAWN) | attackedBy[Us][PAWN])

@snicolet
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No, I have tried shift<Up>(pos.pieces(Us, PAWN) | attackedBy2[Us]) but not your version. I will try it, thanks!

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