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Subject: Re: SSDF Ratings List

Author: Thoralf Karlsson

Date: 00:24:52 03/09/99

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On March 08, 1999 at 18:34:55, Mark Rawlings wrote:

> >>The *level* of the list is based on 337 games played against humans in serious
>>tournaments between 1987 and 1991.
>
>
>Just a thought... I wonder if it's time to "recalibrate" the list?  I assume by
>now we have a lot more human-comp data.

The SSDF rating list is calibrated against the ratings of Swedish chess players
(not against the international ELO-ratings). Since 1991 our members have played
very few games against humans. Usually it has been a chess computer like RISC
2500 which has played against players with ratings between 1400 and 2000,
winning all games or drawing against one of the stronger players.

It's very difficult or impossible to be allowed to play in strong tournaments in
Sweden. So I don't expect the list to be recalibrated, although I agree that it
is highly needed.

Thoralf Karlsson








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