Individual Calculations September 2017
 Zhosan, Iannis  Total change: -12.80  Rating chartPersonal card
 Open Sochi STD_C Sochi RUS 2017-08-16
 1427 1359 0.50 2 -0.32 40 -12.80 
  Karapetyan, Levon 1338 ARM0.001-0.5340-21.20 
  Balayan, Eduard 1515 RUS0.5010.21408.40 

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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