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Subject: Re: Ultra small pawn hash efficiency

Author: Vincent Diepeveen

Date: 19:48:44 11/21/02

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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!

Of course, you measure in fact the % of piece moves there
are versus pawn moves in a position on average. In your case
there are on average a bit more than 4 times more piece moves
than there are pawn moves. Sounds logical to me :)



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