Individual Calculations February 2018
 Xu, Grant  Total change: -11.20  Rating chartPersonal card
 2018 Cardinal Open Columbus, Ohio USA 2018-01-26
RcRownchangeKK*chgGame
 2162 2182 1.00 3 -0.56 20 -11.20 
  Griggs, Walker 2264 USA0.001-0.3920-7.80 
  Shen, Christopher c2272 USA0.5010.12202.40 
  McLaughlin, James 1951 USA0.501-0.2920-5.80 

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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