Individual Calculations February 2017
 Kubelova, Sona  Total change: 5.40  Rating chartPersonal card
 Krajska soutez MKSS C 2016/2017 r6-7 various CZE 2017-01-15
 1417 1594 1.00 1 0.27 20 5.40 
  Rell, Martin 1417 CZE1.0010.27205.40 

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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