Author: Dann Corbit
Date: 13:43:28 10/06/03
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On October 06, 2003 at 16:39:07, Dieter Buerssner wrote: >On October 06, 2003 at 16:11:26, Roy Eassa wrote: > >>On October 06, 2003 at 12:30:54, Dann Corbit wrote: > >>>If (against the same pool) the 2700 players managed only 1e-5 % of the points, >>>then the Elo would be 2700 + 2800 = 5500 >> >> >>OK, you've given me a new life's goal: get my rating up to 5500. ;-) > >Don't be too optimistic. I calculate a different number. For a rating difference >of 2800 points, I calculate the average points expected in one game for the >weaker player as: > >p = 0.5*erfc(rating_difference/400.) > 2.0919128E-23 > >So, you should never lose and not allow one single draw in over 2e22 games. Good >luck! :-) > >I guess, Dann used some approximate formula, that will only work well with >rather moderate rating difference. I used the USCF formula.
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