Computer Chess Club Archives




Subject: Re: evaluationfunction tuning

Author: Dave Gomboc

Date: 07:26:15 09/10/03

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On September 08, 2003 at 14:00:00, Dann Corbit wrote:

>On September 07, 2003 at 16:14:54, JW de Kort wrote:
>>Dear Uri
>>Thanks for your reply. Strangly my engines plays better against Gerbil than
>>against TSCP. My search is not to bad and far more complicated than TSCP's. My
>>better search has no effect due to the bad evaluation. That is why i want to
>>work on that at the moment.
>That is unusual.
>You might analyze several failures against TSCP (with a very strong engine) and
>see if you can find a consistent point of failure (king safety/passed
>Then you might learn what needs fixing.
>Tactical strength does not imply playing strength.  In fact, I wrote a program
>that projected best fit parabolic curves through parameter sets and that would
>automatically tune for strongest tactical performance for Beowulf.  It made it
>stronger tactically, but overall it played much worse with the new parameters.

Is there somewhere I can read more about this?


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