Ratings inflation period

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Ratings inflation period

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Thibault de Vassal    (2018-03-27)
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 side-effect, 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    (2018-05-01 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    (2018-05-01 23:26:03)
Ratings inflation period

"power 0.8" means what?

Thibault de Vassal    (2018-05-01 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:


Thibault de Vassal    (2018-11-01 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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