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Subject: Re: Test position : pawn endgame

Author: bobby palacios

Date: 17:22:01 01/09/03

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On January 09, 2003 at 20:12:11, Gordon Rattray wrote:

>[D] 8/pp5p/4k1p1/3p4/2pPPK2/2P5/PP5P/8 b - - 0 41
>
>In this position, with Black to move, I was surprised by the consideration given
>to g5+ by some programs.  From a "human" point of view, doesn't it just look to
>give White an easy win?
>
>Deep Fritz 7 avoids g5+ completely, but Shredder Paderborn, Chess Tiger 14 and
>CM9000 are, in my opinion, relatively slow to identify g5+ as losing for Black.
>They all very quickly see Black is lost after playing a further Kxg5.
>
>I think initially h6 is best with a likely draw, but the main point is that g5+
>is definitely not best.
>
>Anyone comment on the latest Shredder (7) and Chess Tiger (15) against this
>position?
>
>thanks
>
>Gordon

on my p4 2.47ghz with 256 mb hash

Fritz 8 never considered g5 and wants to play h6 after 5 seconds
Shredder 7, wants to play g5 even after 21 plies and 2 minutes of thinking time.

And when I force Kxg5 to Shredder 7, it immediately sees the lost.  Weird



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