Individual Calculations October 2017
 Xia, Brandon Yang  Total change: 63.20  Rating chartPersonal card
 2017 Southern California Open San Diego, California USA 2017-09-02
RcRownchangeKK*chgGame
 2054 1905 2.50 3 1.58 40 63.20 
  Arutyunov, Nikolay 1969 USA1.0010.594023.60 
  Korba, Nicky 2151 USA1.0010.814032.40 
  Yang, Kevin S 2041 USA0.5010.18407.20 

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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