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Subject: Re: Yace (who else) shows mate in 17 after 2 minutes

Author: David Rasmussen

Date: 03:59:28 01/17/02

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On January 17, 2002 at 05:26:40, Uri Blass wrote:

>On January 17, 2002 at 05:01:24, Jouni Uski wrote:
>
>>in Celeron 300. But I didn't check, if it keeps the solution. Pro programs
>>(play) are helpless again...
>>
>>Jouni
>

Can we have a FEN of the position?

>They have no chance because of null move pruning.
>Chessmaster may have better chance because I believe that it does not use the
>wrong null move algorithm(I define the wrong null move algorithm as null move
>algorithm that can cause stupid blunders like not finding mate in 2).
>
>Yace is not using the wrong null move algorithm and I believe that the same is
>for chessmaster.
>

What do you mean by "wrong null-move algorithm"? Which programs uses this, and
what _is_ it? And what is the right algorithm?

/David



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