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Subject: Re: A question of rating schemes

Author: Chris Carson

Date: 04:38:31 06/19/02

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On June 19, 2002 at 07:18:25, GuyHaworth wrote:

>
>There are ELO rating lists for:
>
>  people    (on the basis of human-human games ... FIDE-managed), and
>  computers (on the basis of computer-computer games)
>
>There are apparently some intrinsic problems with rating schemes, maybe
>particularly ELO which was the first, and I am looking for more information on
>this.
>
>Each list would be equally valid if N ELO points were subtracted from all
>participants ... so the absolute numbers mean nothing.  Ok, that would be easy
>to fix if there were rated people-computer games.  So ....
>
>... is there an ELO list purely on the basis of computer-human games.

Tony (tester with SSDF) has SSDF calibration (human vs computer) and my human vs
computer lists.  These are all the rated FIDE standard games/ELO ratings.

http://home.interact.se/~w100107/welcome.htm

My thanks to Tony.

>
>I have also heard that there is an 'inflation effect' with ELO.  What is this -
>and has anyone an 'ELO game simulator' to demonstrate this?  I would expect that
>there are more games played in SSDF to rate the engines than contribute to the
>FIDE human ELO ratings:  is this correct?  If so, I'd expect the inflation
>effect in the SSDF list to be greater.
>
>Would it be good to get the Kramnik-DeepFritz computer rated in SSDF as well as
>having its match rating against Kramnik?  Presumably ChessBase are able to rate
>it against Fritz engines in SSDF.
>
>Finally, are there better rating schemes than ELO - or are they just different.
>
>g



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