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Revert: "Do not razor when in check"
It is slightly weaker after 500 games. Keep the check on mate values. Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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@@ -1236,8 +1236,7 @@ namespace {
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}
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}
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// Null move search not allowed, try razoring
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else if ( !isCheck
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&& !value_is_mate(beta)
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else if ( !value_is_mate(beta)
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&& ( (approximateEval < beta - RazorMargin && depth < RazorDepth)
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||(approximateEval < beta - PawnValueMidgame && depth <= OnePly)))
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{
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