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Subject: Re: One mate to solve.

Author: Angrim

Date: 19:17:21 07/17/01

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On July 17, 2001 at 08:33:49, leonid wrote:

>Hello!
>
>This position you can try with every program. Its number of moves is only 89.
>
>[D]k1qnr3/1qq5/qn2Q3/qN1QqQ1K/qN2QqQ1/RbQQqQ2/1RrbQ3/2BB4 w - -
>
>Please indicate your result.
>
>Thanks,
>Leonid.

this one was trivial with pn^2
proved that move b5xc7 wins, 15 turns
PN2:509049 evals, 11436 expands,  4.39 seconds

As usual with this type of position, my alpha-beta search was unable to
finish 1 ply deep in any reasonable amount of time.  Too much qsearch..

Angrim



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