Author: Uri Blass
Date: 12:33:11 02/02/01
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On February 02, 2001 at 15:02:34, Andrew Dados wrote: <snipped> >Thanks Arpad ELO system is based on _normal distribution_ of players... so we >can calculate ELO differences. We can calculate an estimate for the elo difference based on the result. We cannot know the exact elo difference. The estimate does not tell us the distribution of the elo difference. You can assume that the elo difference is distributed normally but you need to know the standard deviation of it and the average of it that is 0 if you have no idea which player is better before you start the games. Only after getting this information it is possible to calculate the probability that the winner is the better player after you know the result. Uri
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