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Subject: Re: an interesting evaluation question

Author: Amir Ban

Date: 09:00:03 09/24/98

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On September 24, 1998 at 11:43:38, Robert Hyatt wrote:


>This last influences the evaluation of the above position quite markedly,
>because this is an endgame, and black is going to get the bishop-over-
>knight in endgame bonus two times since black has two bishops, white has
>none.  Black also gets the traditional bishop-pair bonus as well, which
>might or might not be overkill here.  In any case, I first gave this to a
>GM to look at and the response "black wins easily."  Not surprising, the
>bishop pair vs the pair of knights should favor the bishops.  I then told
>him that Crafty "statically" evaluates this position as "-.93" which is
>the raw score Evaluate() returns here.  He said "hmmm...  ".  And we had
>an interesting conversation without concluding whether this is too large,
>too small, or "just right."
>

The expression "black wins easily" should translate to -2.50 at least.

I see a gross contradiction between "black wins easily" and "-0.93 is just
right".

Amir



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