Individual Calculations September 2021
 Doyle, Bryon  Total change: -26.00  Rating chartPersonal card
 26th Annual Pacific Coast Open - Premier Van Nuys, California USA 2021-07-30
RcRownchangeKK*chgGame
 1889 2002 0.00 2 -1.30 20 -26.00 
  Wang, Alex Yuxuan 1954 USA0.001-0.5720-11.40 
  Mahesh, Tejas 1823 USA0.001-0.7320-14.60 

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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