Computer Chess Club Archives




Subject: Re: evaluationfunction tuning

Author: David Dahlem

Date: 10:52:21 09/07/03

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On September 07, 2003 at 13:16:50, Uri Blass wrote:

>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.

And Gerbil would be even better with an improved evaluation!


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