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Subject: Re: SSDF Rating list

Author: stuart taylor

Date: 02:35:30 06/13/01

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On June 13, 2001 at 05:05:45, Marcus Kaestner wrote:

>
>>
>>It is the most reliable tool that we have to evaluate the chess programs. The
>>difference in the opponents each program has to face does not matter from a
>>mathematical point of view.
>
>i think you are wrong!
>
>having now over two years of experience with my own chessbits-lists, i can say
>to you that it is VERY easy to place a program with a HIGHLY overrated (or
>underrated) position into the list.
>
>there are dozens of possibilities to fake a rating.
>
>i do not say that the ssdf fakes, i only say that it DOES matter which opponents
>you choose.
>
>marcus

Of course it does!
If you play a 1200 elo rated player you can be sure to win 100% of times, and
you play 100,000 games, you will have got a rating of 3000 long long before
then.
  When I used to play vs. Hiarcs 6 and 7 and get my play rated, I always got one
point for winning against the instant level, which was sooooo easy. If I needed
to do it for a very important reason, I could be sure to get a 3000 elo rating
that way, but if I were plaing against its 2 min. per 60 moves, I would never
even reach anywhere near what my true rating would be-between about 2200-2300
elo.
(though if "instant" means that the human must also play  instant, then of
course there's no hope for any human).One minute per game would be like a human
"instant", if not two minutes.
S.Taylor



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