Individual Calculations May 2022
 Cox, John  Total change: -5.60  Rating chartPersonal card
 2022 Welsh Open-Major Cardiff WLS 2022-04-15
RcRownchangeKK*chgGame
 1648 1431 0.50 3 -0.28 20 -5.60 
  Bevan, Peter M 1855 WLS0.001-0.0720-1.40 
  Smith, Chris P 1454 ENG0.001-0.4720-9.40 
  Parri, Deio 1635 WLS0.5010.26205.20 

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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