Individual Calculations September 2021
 Wu, Derek  Total change: 7.60  Rating chartPersonal card
 26th Annual Pacific Coast Open - Premier Van Nuys, California USA 2021-07-30
RcRownchangeKK*chgGame
 1982 2128 4.50 6 0.38 20 7.60 
  Ai, Evan Zihao 1793 USA1.0010.12202.40 
  Simms, Rickie 1907 USA1.0010.22204.40 
  Mikhalevski, Victor g2528  * ISR0.001-0.0820-1.60 
  Sivakumar, Shaaketh 1870 USA0.501-0.3220-6.40 
  Mohammadi, Sina 1807 USA1.0010.13202.60 
  Creger V, Leo 1986 USA1.0010.31206.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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