Computer Chess Club Archives




Subject: Re: Forced mate so solve...(proof number search)

Author: Angrim

Date: 23:57:32 02/05/01

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On February 05, 2001 at 07:23:58, leonid wrote:

>If you like to solve forced mate position full of "depleted uranium"...
>[D]NKBN4/QRQ3rR/2Qb2r1/N1b1nb2/B2nbbbB/1RNqqqq1/8/2N2k2 b - -
>Please, indicate your result.
Useing proof number search, with no chess knowlege other than which
moves are legal and the definition of checkmate, on an Athlon 650mhz:
:proved that move c5xa7 wins, 15 turns
:PN:402888 evals, 9241 expands, 56 max ply,  1.96 seconds

not the shortest win, but at least its fairly quick.


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