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Revert: "Do not razor when in check"

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It is slightly weaker after 500 games. Keep the
check on mate values.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2008-12-18 22:01:56 +01:00
parent 17000d1ea0
commit b58ad355ca
1 changed files with 1 additions and 2 deletions
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3
src/search.cpp
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@@ -1236,8 +1236,7 @@ namespace {
} }
} }
// Null move search not allowed, try razoring // Null move search not allowed, try razoring
else if ( !isCheck else if ( !value_is_mate(beta)
&& !value_is_mate(beta)
&& ( (approximateEval < beta - RazorMargin && depth < RazorDepth) && ( (approximateEval < beta - RazorMargin && depth < RazorDepth)
||(approximateEval < beta - PawnValueMidgame && depth <= OnePly))) ||(approximateEval < beta - PawnValueMidgame && depth <= OnePly)))
{ {