Computer Chess Club Archives




Subject: Re: evaluationfunction tuning

Author: Uri Blass

Date: 10:16:50 09/07/03

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On September 07, 2003 at 11:35:48, JW de Kort wrote:

>Hi friends,
>I have recently spend a lot of time improving my evaluationfunction. I have
>added a lot of features and studied a number of sources (Crafy, Gerbil, TSCP,
>Phalanx, Beowulf etc.). Still my engine is not able to beat TCSP 181 in all
>games. Now i want to fine tune the evaluation features. Can anybody give me some
>advice how to ga ahead with this process? Is there a EPD set available of good
>testing positions for this purpose?
>Thnak in advance.
>Jan Willem

What is your target?

If your target is to improve your engine then I think that it is better if you
work about search.

Gerbil has almost no evaluation but it is clearly better than tscp and the
reason is search.


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