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Restore LMR depth limit

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It is not clear the advantage and we don't want
to risk of introducing regressions on this
very critical parameter. So revert to old limit.

After 16003 games
Mod vs Orig 2496 - 2421 - 11086 ELO +1 (+-3)

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2012-01-24 07:17:15 +01:00
parent 7fb6fd2f55
commit eeef654cd7
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@ -970,7 +970,7 @@ split_point_start: // At split points actual search starts from here
// Step 15. Reduced depth search (LMR). If the move fails high will be
// re-searched at full depth.
if ( depth > 4 * ONE_PLY
if ( depth > 3 * ONE_PLY
&& !isPvMove
&& !captureOrPromotion
&& !dangerous