Individual Calculations August 2017
 Xu, Grant Y  Total change: 11.20  Rating chartPersonal card
 2017 Columbus Open Columbus, Ohio USA 2017-06-23
RcRownchangeKK*chgGame
 2305 2158 1.50 3 0.56 20 11.20 
  Brattain, Mika A 2368 USA0.5010.27205.40 
  Blatny, Pavel g2394 CZE0.001-0.2020-4.00 
  Britt, Thomas 2154 USA1.0010.49209.80 

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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