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Subject: Re: How long does it take your program to find this simple mate in 4?

Author: Dann Corbit

Date: 16:48:08 02/10/00

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On February 10, 2000 at 08:11:34, Guido wrote:

>On February 08, 2000 at 20:11:50, Dann Corbit wrote:
>
>>2bnN1k1/6P1/4p3/1P2N1P1/3K4/8/8/8 w - -
>
>To find Pg5-g6 my unknown mate solver spends:
>
>-  0.08 s CPU time if Pg5 is the first piece in the white pieces list
>-  0.26 s CPU time if Pg5 is the last piece in the white pieces list.
>
>My program examines all the possible moves following the order of the pieces in
>the input.
>I use a P133 I processor.
>
>Instead my program cannot solve in reasonable time this (not simple) 11 moves
>mate:
>
>    6n1/qp2b3/1p4K1/p4N2/2B2k1p/4pP2/4p2P/4N3 w - -
>
>The author should be S. Schneider - 1° Award Deutsche Schachz. 1960
>
>Which program solves it?

Chest.  Took quite a while, but the machine was busy doing stuff.

E:\crafty\Release>chest319 -b -z 11 epd.epd
6n1/qp2b3/1p4K1/p4N2/2B2k1p/4pP2/4p2P/4N3 w - - acn 403261928; acs 15956; bm
Nd4; ce 32746; dm 11; pv Nd4 Ke5 Nb5 Kf4 Bd5 Ke5 Bxg8 Kf4 Bd5 Ke5 Bc4 Kf4 Nd4
Ke5 Nf5 Kf4 h3 b5 Nd3+ Kxf3 Bd5#;



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