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Subject: Re: king and pawns ending

Author: Andrew Williams

Date: 07:16:59 08/23/02

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On August 23, 2002 at 09:35:40, Frank Phillips wrote:

>[D]7k/7p/8/8/1pP2P2/p7/3K4/8 w - -
>
>I would be interested in your static score for the above position and how your
>search responds.
>
>My static score favours white.  The search initially favours black, but then
>recognises white is winning.
>

This is a very nice position, Frank. A very pure example of the issue. Mine
favours black by eval and by search all the way to ply 15, at which point it
switches to see White winning (about 30 seconds on this PIII-933).

>(In the actually game the search did not see the danger in time and playing
>Rxd2+
>[D]3r3k/7p/8/8/ppP2P2/8/3BK3/8 b - -).
>

In this case, PM wouldn't exchange, preferring Rb8 with a score of > +6.5 for
Black. (I'm at work at the moment so I can't use my analysis mode under xboard
to look at it in detail).

Andrew




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