Individual Calculations April 2018
 Kubelova, Sona  Total change: 4.40  Rating chartPersonal card
 Krajska soutez C MKSS 2017/2018 r10 various CZE 2018-03-18
 1770 1604 0.50 1 0.22 20 4.40 
  Trojek, Miroslav 1770 CZE0.5010.22204.40 

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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