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Subject: Re: what does Deep Fritz7 think about Kramnik 19.Nxf7 after 22 hours?

Author: Robert Hyatt

Date: 14:31:35 10/22/02

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On October 22, 2002 at 09:41:18, James T. Walker wrote:

>Computers will never "understand" speculative sacrifices.  Just because Fritz
>thinks the move is bad is not proof.  This sac might have worked against many
>humans who could not find the proper response.  That's the nature of speculative
>moves in chess.  The computer didn't get rattled where humans might have. If
>Kramnik could have computed the line to a forced win then it's not speculative
>and maybe not even a sac.


It is possible that the sac is also perfectly sound, even though Fritz doesn't
think so.
Computers _often_ misevaluate positions badly enough to make their judgement
suspect.  There might be a better move that Kramnik missed after the sac.  Or it
might simply be bad.  But using a computer to prove either is not going to be
easy.

A computer can probably prove that it _is_ sound, but it is much harder to prove
a negative...



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