Individual Calculations August 2022
 Wray, Laverne  Total change: -64.00  Rating chartPersonal card
 50th Annual World Open - Under 2200 Philadelphia, Pennsylvania USA 2022-06-30
RcRownchangeKK*chgGame
 2042 2066 0.00 3 -1.60 40 -64.00 
  Zhang, Nathaniel Albion 2122 USA0.001-0.4240-16.80 
  Harrison, Joshua A 2017 USA0.001-0.5740-22.80 
  Calderon, Rafael 1987 USA0.001-0.6140-24.40 

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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