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Subject: Re: evaluationfunction tuning

Author: JW de Kort

Date: 13:14:54 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.

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.

Jan Willem

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