Individual Calculations February 2018
 Kubelova, Sona  Total change: 10.80  Rating chartPersonal card
 Krajska soutez C MKSS 2017/2018 r6-7 various CZE 2018-01-14
 1627 1599 1.00 1 0.54 20 10.80 
  Rak, Tomas 1627 CZE1.0010.542010.80 

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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