Author: Christophe Theron
Date: 11:22:10 01/23/04
Go up one level in this thread
On January 22, 2004 at 21:33:29, Jeremiah Penery wrote:
>The futility code that was in Crafty didn't actually perform a hard cutoff of
>the tree and assign an estimated score, as the classical futility pruning does.
>It only reduced depths for branches it assumed to be futile. So instead of
>searching at depth 1 (I believe the margin was MINOR+PAWN) or depth 2 (margin
>ROOK+PAWN) it dropped directly into the qsearch instead.
That's the right way to do it. And it works.
Christophe
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