
Ratings inflation periodBack to forum Thibault de Vassal (20180327) Ratings inflation period Dear chessfriends, in order to make FICGS correspondence chess ratings somewhat more coherent with other ones & with the real chess level (which is quite important in many points of view), we start an "inflation period". During this time (that will last several months or maybe a few years according to the effects), the rating calculation will differ as explained in the rules: "During an inflation period, 10 points per game are added to the bonus, then any negative bonus is divided by 2. [Edited]" As a sideeffect, fortunately this may encourage even more games and more wins :) Let's just wait and see the evolution in the next rating lists, then there may be adjustments. Thibault de Vassal (20180501 22:25:17) Ratings inflation period May 2018 ratings : the first effects are quite visible. A few players, who finished many games, actually more games than I expected, made a very good operation (not a problem as points always spread with time). I updated the formula to make it more coherent next time : 10 points per game, now power 0.8, will be added to the bonus. Herbert Kruse (20180501 23:26:03) Ratings inflation period "power 0.8" means what? Thibault de Vassal (20180501 23:43:20) Ratings inflation period Examples : (1 game) 10 power 0.8 = 10^0.8 =~ 6.3 added to bonus (10 games) 100 power 0.8 = 100^0.8 =~ 39.8 added to bonus (30 games) 300 power 0.8 = 300^0.8 =~ 95.8 added to bonus To see what "bonus" is, please read: http://www.ficgs.com/membership.html#rating Thibault de Vassal (20181101 02:24:14) Ratings inflation period Dear chessfriends, the inflation period continues for correspondence chess ratings, now with slower effects: The rating calculation differs as explained in the rules: "During an inflation period, any negative bonus is divided by 2. [Edited]"
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