Individual Calculations December 2017
 Kubelova, Sona  Total change: 5.60  Rating chartPersonal card
 Krajska soutez C MKSS 2017/2018 r2-3 various CZE 2017-11-05
 1807 1586 0.50 1 0.28 20 5.60 
  Depta, Tomas 1807 CZE0.5010.28205.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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