Author: José de Jesús García Ruvalcaba
Date: 05:27:55 11/10/02
Go up one level in this thread
On November 09, 2002 at 19:35:23, Stephen A. Boak wrote: >On November 09, 2002 at 13:59:43, Jorge Pichard wrote: > >This also hold true for lower rated players, if >>you get a player with an Elo of 2200 and face him to play against a group with >>an average Elo of 1800 it won't be unusual for him to get a performance rating >>of 2400 or higher. >> >>Pichard. > >Traditional ELO performance rating calculations use the +/- 400 point rule. If >you win all your games in the event, your *maximum* performance rating is >limited (capped) at 400 points higher than the average of your opponents. Thus >your scenario above would be impossible. > >I realize there are other software calculators that do not use the +/- 400 point >rule, but then I don't consider them to be ELO based. [They may be considered >alternative rating systems, and worthy of experimentation or implementation, but >they are not really the ELO system.] > >--Steve Actually those 400 points do not come from Prof. Arpad Elo's original system. They are used only for approximate (but fast) computations. José.
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