Author: Harald Faber
Date: 03:13:31 07/10/01
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On July 10, 2001 at 05:49:39, Christophe Theron wrote: >On July 10, 2001 at 05:02:35, Vincent Lejeune wrote: > >> >>>BTW the first round of the match is completed now. ChessTiger 14 reached very >>>good 61.5 %. Could someone >>>please calculate, how much ELO difference 61.5 % mean compared to the average >>>ELO of the opponents? >>>Thanks a lot! >> >>That means a +92 Elo difference > > >Sorry Vincent, but this is not right. > >A 61.5% winning percentage means approximately a 80.5 Elo points difference. Thanks for the info Christophe. This is a very good result, and I doubt that GambitTiger will come close to it, but let's see. :-) >The rule of thumb is very simple: take the winning percentage, substract 50, >then multiply by 7. > >This rule is an approximation (but a very good one) that works only in the range >20% to 80%. > > Christophe
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