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Subject: Re: Is Shredder's secret simply search dept ?! (Some figures here)

Author: Uri Blass

Date: 15:27:37 12/20/04

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On December 20, 2004 at 18:22:24, Dann Corbit wrote:

>On December 20, 2004 at 16:32:24, Jouni Uski wrote:
>
>>Shredder 8 reaches quite stunning averaga search dept. E.g. with only 15
>>second/move average with Pentium 2400 and 128MB hash it averages 15,2 ply! For
>>comparison Fritz Bilbao and Gandalf 6 reach both same 12,7 ply. No wonder
>>Shredder beats them 13 - 7 and 14 - 6. Of course 2,5 ply is a lot difference!
>>Is there any amateur or pro engine, which can equal Shredder in depth - Junior's
>>half plys can be forgotten.
>
>I can write an evaluation function that only counts the wood.  It will beat
>Shredder's depth, but Shredder will easily kill it on a 1/10 as powerful machine
>all the time.

Only writing evaluation  that only count wood will not be enough to beat
shredder depth.

You need also to have some pruning for that purpose.

Uri



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