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Subject: Re: ELO Rating Question

Author: Robert Hyatt

Date: 04:58:16 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


It probably uses the rating of the opponent since with just 3 players there is
_no_ way to get any sort of reasonable rating anyway...  It probably considered
comet significantly weaker and had a lower rating for it.  And the TPR rating
then killed the calculations.



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