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Subject: Re: Mate in 8 (movei less than 2 seconds)

Author: Uri Blass

Date: 07:44:19 04/07/02

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On April 06, 2002 at 13:24:53, Art Basham wrote:

>Neat problem...
>for humans and computers...!
>
>[D]8/p7/R7/NkN5/3p1p2/P2P1Pp1/6K1/8 w - -
>
>1. Nc4...! etc.

easy problem for movei006

Here is part of the output under winboard

7 9985 175 546974 a5c4 b5c5 c4d6 c5d5 d6e4 d5e5 e4f6 e5f5 f6g4 f5g5 g4h6 g5h5
h6f7 h5h4 a6h6
7 9985 202 633707 a5c4 b5c5 c4d6 c5d5 d6e4 d5e5 e4f6 e5f5 f6g4 f5g5 g4h6 g5h5
h6f7 h5h4 a6h6

It solves it thanks to some extension that may cause significant problems in
some cases and the latest program does not solve it but I can fix it without
changing the playing strength by enabling the extension only when alpha and beta
tells me that the game is decided.

Uri



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