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Subject: Re: Inflationary Effects?

Author: Jeroen van Dorp

Date: 13:07:03 07/09/03

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On July 09, 2003 at 15:46:12, GuyHaworth wrote:

>
>The main message is that SHREDDER 7.04 dominates the field by some 40 points,
>approximately the same as Kasparov leads the FIDE ELO list.
>
>The 2800+ figure is not meaningful, as stated elsewhere here.

An Elo rating tells you the difference in strenght between two opponents. Have
you any clue why the rating difference between shredder and the next on the list
is "not meaningful"?


>I heard once that there was an inflationary effect built (incidentally rather
>than deliberately) into the ELO system.  I don't know if this is true, or if so,
>why it is true.
>
>But if so, I would expect the SSDF rating list to 'inflate' faster than FIDE's
>as the same number of games happens in a shorter time.  I don't know if ELO
>ratings can be pegged back on a fairly frequent basis to counteract this.

You don't know _if_ it's true, you don't know _why_  it's true, yet you expect
it to be true with Shredder?


J.



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