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Subject: Re: Crafty - Forward vs. Backward Analysis

Author: J. Wesley Cleveland

Date: 12:56:19 06/11/02

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On June 11, 2002 at 11:52:47, Robert Hyatt wrote:

>On June 10, 2002 at 18:45:03, Dieter Buerssner wrote:
>
>>I'd like to add, that not for all engines, it is some sort of luck, when they
>>remember past analysis, and when not. I am convinced, that for my engine, it is
>>better in general, to analyze from back to front. I am also convinced, that it
>>will not forget previous analysis.
>>
>>Regards,
>>Dieter
>
>
>It _must_ unless you have a hash table of infinite size...

If crafty stored the result returned from the prior search in the hash table,
made the age current when the hash table returns a valid score, and started ply
1 with the move in the game, it would always get the most useful value and
nearly always get the very useful values.



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