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Subject: A question of rating schemes

Author: GuyHaworth

Date: 04:18:25 06/19/02



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.

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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