Author: Dan Newman
Date: 01:21:51 02/11/00
Go up one level in this thread
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?
>
>Guido
Shrike gets this in just under 5 minutes on a PIII/500:
14> 152 28.09 16560938 Nd4 Ke5 Nb5 Kf4 Bd5 Ke5 Bxg8 Kf4 Bd5 Ke5
Bc4 Kf4 Bxe2 Ke5 Bc4 Kf4 Nxa7 a4 Nc8 Bd8
Nd6
15+ 170 37.60 22085505 Nd4
15- 169 1:37 55528622 Nd4
15. 151 1:55 66138818 Nd4 Ke5 Nb5 Kf4 Bd5 Ke5 Bxg8 Kf4 Bd5 Ke5
Bc4 Kf4 <TT>
15> 151 2:18 79532884 Nd4 Ke5 Nb5 Kf4 Bd5 Ke5 Bxg8 Kf4 Bd5 Ke5
Bc4 Kf4 <TT>
16+ 169 2:45 95090765 Nd4
16> +mate11 4:53 162261014 Nd4 Ke5 Nb5 Kf4 Bd5 Ke5 Bxg8 Kf4 Bd5 Ke5
Bc4 Kf4 Nd4 Ke5 Nf5 Kf4 h3 Bb4 Nd3+ Kxf3
Bd5# <Checkmate>
-Dan.
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