Individual Calculations March 2020
 Wu, Rochelle  Total change: -4.00  Rating chartPersonal card
 2020 Marcel Duchamp Memorial - Championship Los Angeles, California USA 2020-02-07
RcRownchangeKK*chgGame
 1877 2033 2.00 3 -0.10 40 -4.00 
  Petrosyan, Alexander 1774 ARM0.001-0.8240-32.80 
  Xie, Bryan 2015 USA1.0010.474018.80 
  Xie, Brandon 1841 USA1.0010.254010.00 

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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