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Subject: Re: Positions of known value?

Author: Tom Kerrigan

Date: 15:18:32 07/25/00

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On July 25, 2000 at 17:38:21, Dann Corbit wrote:

>On July 25, 2000 at 14:12:46, Tom Kerrigan wrote:
>
>>It would be nice to make a change to your evaluation function and get immediate,
>>accurate feedback.
>>
>>So my idea is to get a huge collection of positions of known value (i.e., "white
>>has a stronger position") and then see how well the known values correlate to
>>the evaluation function's scores.
>>
>>Does anybody have any ideas for getting a high-quality collection of such
>>positions? Or any comments on this approach in general?
>
>On my ftp site, project Apocalypse for CAP has an analysis of about 7000 EPD
>positions.  You could take any subset from that set as a basis.  There are about
>5000 or so which are definitely verified, so I suspect you could use them.
>However, there are also some where the bm does not agree with the pm or the am
>is the pm.

Isn't the CAP data calculated via computer? So already there's some "noise" from
an evaluation function.

-Tom



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