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Subject: Re: Can any program evaluate this ending correctly?

Author: Renze Steenhuisen

Date: 02:41:28 07/13/05

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On July 13, 2005 at 05:27:06, Uri Blass wrote:

>On July 13, 2005 at 04:07:47, Peter Kappler wrote:
>
>>
>>[D] 8/6k1/1P3p2/5P2/8/5b2/7K/8 w - - 0 80
>>
>>It's 3am and I'm certainly tired enough to have missed something subtle, but I
>>think this is a very simple draw for White.  I'd like to know if there is any
>>engine that can see this *without* tablebases.
>>
>>Oh, and if you do have this 6-piece tablebase, could you please confirm that it
>>is a draw?  :)
>>
>>-Peter
>
>Fruit see a score of exactly 2.32 pawns for black at depthes 13-43
>I think that the fact that the score is not changed means that it is a draw so
>it is easy to understand from Fruit's output that it is a draw.

My program evaluates this position as 2.5 pawn for black until it changes its
mind at depth 8, and concludes it is a draw. Doesn't Fruit do that?

>Note that this position only proves that the search of programs is poor because
>with good search they could easily get 100 plies and see that it is a draw.
>
>Uri

Renze Steenhuisen



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