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Subject: Re: THIS IS worlds toughest mate in 4

Author: leonid

Date: 07:29:44 10/18/03

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On October 17, 2003 at 22:28:50, William Kerr wrote:

>Hi leonid
>
>Here are some times for your modified position.
>
>[D] 1R2NnqN/3pPpQ1/b3nPpp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - -
>
>
>YacePdb AMD 1.7Gh  1:07  mate in 7
>Ruffian 1.0.5 AMD 1.7Ghz mate in 7 1 sec.

Good! Now I only need to put this position for 6 brute search. This will be not
very long even for my program.

Ruffian mate in 7, in one second is impressive. I do not remember what was mine
but it was for sure more than this and for 8 moves.

Leonid.



>Bill



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