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Subject: Re: ELO Rating Question

Author: Peter Fendrich

Date: 17:29:16 09/01/99

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On August 31, 1999 at 21:57:12, James T. Walker wrote:

>I recently conducted a "Tournament" between Hiarcs 7.32 Fritz 5.32 & Junior 5.0.
> With about 250 games played by each program the results left Hiarcs in first
>place with Fritz in second and Junior in third.  Then I accidently transferred
>20 games of Blitz (5/0) of Hiarcs vs Comet B05 which Hiarcs won
>19.5 - 0.5.  The Strange thing is after adding these 20 games and  recomputing
>the ELO (Fritz GUI does this) Hiarcs fell from 1st place to 3rd place??  Does
>this make sense?  Help!
>Jim Walker

The only reason (except bugs) is that Comet was set an initial rating much lower
than the others.
BTW, playing with so few opponents will not get you accurate ELO figures.
More games within the same small group will only make the figures more precisely
inaccurate ... :-)
//Peter



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