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Subject: Re: My impressions based on 20 years+ of computer chess testing.

Author: Sandro Necchi

Date: 21:09:59 07/17/05

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On July 17, 2005 at 20:35:12, Graham Banks wrote:

>Hi Sandro,

Hi Graham,
>
>whereas I have always held the SSDF rating list in high regard, I get a much
>more accurate picture of relative strength through looking at ALL testing that
>is done. Most results are consistent with each other no matter what and this is
>what counts.

I said that to me SSDF list is the best, meaining they are the more reliable
testing source, but I did not mean that other testings are useless.
If there is contradiction between these I would take the SSDF results. Most of
the time they are more or less in line.
I was criticizing who stated that SSDF tests are outdated and that other tests,
made on one computer, with the same gui and book for all programs are better.
I do not agree at all with that!

>You always hear the argument that results mean nothing unless you've played
>hundreds of games, but to be honest the results of tournaments involving 40+
>rounds or matches involving 20+ games very rarely throw up unexpected results.
>The implementation of correct books, pondering off/on, learning off/on, time
>controls, EGTBs and hardware differences don't seem to make as much difference
>as you make out.
>
>This is not a criticism of SSDF or yourself. It's just the way I see it.

No problems at all to have different views.

My observations are based on about 27 years of testing of computers and chess
programs.

>
>Regards, Graham.

Regards,

Sandro




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