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Subject: Re: ELO performance?

Author: Peter Fendrich

Date: 15:11:52 05/22/99

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On May 22, 1999 at 15:25:52, Robert Hyatt wrote:

>On May 22, 1999 at 12:53:55, Stefan Meyer-Kahlen wrote:
>>Just two questions concerning ELO performance and probabilities:
>>* How do I calculate my ELO performance if I get x percent out of y games
>>against an opponent with z ELO points?
>>* In which range is my own ELO rating with 95% probability after that match?
>>I guess those are FAQs with 95% probability :-)
>>   Stefan
>Performance rating is trivial.  compute the following:
>number_wins * (opponent's rating +400)

This is not the *ELO* performance rating but probably one of all the national
variation that there is...  USCF?

>number_draws * opponent's rating
>number_losses * (opponent's rating - 400)
>add those up, divide by number of games.
>there is no "95%" probability for a performance rating...

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