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Subject: Re: Extended Futility Pruning

Author: Gian-Carlo Pascutto

Date: 05:10:09 04/06/02

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On April 06, 2002 at 03:48:28, TEERAPONG TOVIRAT wrote:

>3)
>Some programs have an evaluation hashtable to store the score from
>evaluation(). I think we already have transposition table for this job.
>And nowaday, we can provide plenty of entries.The chance of collision in
>transposition table is not so significant. So,why?
>?

Evaluation caches simply make my program slower. Total loss for me.

As for Heinz's pruning: Think about what will happen if the material
balance and the positional score are always (say 2 pawns) different,
for example because of a material imbalance (pieces vs pawns).
If you correct for this, is there still a gain?

--
GCP



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