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Subject: Re: Researching after a fail-low

Author: Gian-Carlo Pascutto

Date: 15:05:41 08/17/00

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On August 17, 2000 at 14:43:08, J. Wesley Cleveland wrote:

>When you have a fail-low in a deep search where the value drops significantly,
>finding an alternate move can take a very long time. This is largely because >the
>values in the hash table are largely useless, so in effect we are researching
>the entire tree. It seems to me one should use iterative deepening, and start
>from ply 1 again.

This technique has been described by Schaeffer a long time ago...

(Obvious question: Why is nearly no-one doing it?)

--
GCP



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