Individual Calculations January 2018
 Kubelova, Sona  Total change: 6.80  Rating chartPersonal card
 Krajska soutez C MKSS 2017/2018 r4-5 various CZE 2017-12-03
 1472 1592 1.00 1 0.34 20 6.80 
  Gemsova, Tereza 1472 CZE1.0010.34206.80 

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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