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Subject: Re: Testposition- Deep calculation

Author: Miguel A. Ballicora

Date: 15:24:20 11/04/01

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On November 04, 2001 at 12:21:12, Andrew Smith wrote:

>I hope I can finally get a diagram to work :)
>
>[D]5q1k/8/1p3rQ1/p1p1pP1P/1pPpP2K/pP1P4/P4R2/8 w - - 0 18
>

Just for the record (and out of curiosity), the position seems to be illegal. It
is not possible to have such a black pawn structure. At least, you need more
captures than white pieces are out of the board.

Regards,
Miguel

>This is an interesting position I came across. Moves like Qg3 and other retreats
>can give white a minor advantage maybe from the programs point of view, but it
>is not clear if there is a win. In this position Kg5! is winning. If after Rxg6
>hxg6 the pawn moves to f6 and the rook to h7 and eventually black is in a sort
>of zugswang. Of course, for a moderately strong human kg5 can be seen in a
>couple of second easily, but for computers it doesn't look so easy. What do your
>favourite programs say?



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