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Subject: Re: Ultra small pawn hash efficiency

Author: Richard Pijl

Date: 05:26:14 11/21/02

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On November 21, 2002 at 08:15:50, Georg v. Zimmermann wrote:

>On November 21, 2002 at 07:13:10, Vladimir Medvedev wrote:
>
>>depth = 9, from initial position:
>>
>>pawn hash = 1 entry -- 28% successful hits
>>2  --  33%
>>3  --  37%
>>4  --  38%
>>5  --  41%
>>7  --  43%
>>10 --  45%
>>100 -- 60%
>>...
>>65K -- 84%
>>
>>I was quite surprised with this :)
>>Even 1-node pawn "hash" helps a lot!
>
>Doesnt one get something around 99% with big tables ?

I thought so too, but then: The initial position is perhaps a bit special. Lots
of pawn moves there and few others ...

Richard.



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