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Subject: Re: Evidence the evaluation function is vital

Author: Andrew Platt

Date: 03:43:19 12/12/04

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On December 11, 2004 at 18:51:25, Dana Turnmire wrote:

>In the following diagram the only correct move is Rxa1!  Genius finds it after
>only searching 5 ply and yet the Fidelity Designer 2100 Display (6Mhz) still
>insists on moving Ne5 after searching 8 ply and over two hours of thinking.
>Is this not evidence of some flaw in the Designer 2100 evaluation?
>[d]r1b1r1k1/1p3pbp/1qpp2p1/2n5/2PNP1n1/1PN3PP/3Q1PB1/BR2R1K1 b - -

Evaluation doesn't really come into this position too much. There is a tactical
skirmish that needs to get resolved in the search. It takes Schola seven plies
to switch to Rxa1 and another two to get a plus score for it.

Andy.



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