Individual Calculations September 2023
 Murray, David  Total change: -4.40  Rating chartPersonal card
 Washington Open - Open Redmond, WA USA 2023-05-27
RcRownchangeKK*chgGame
 1604 1631 1.50 3 -0.11 40 -4.40 
  Chang, Eddie 1712 USA0.5010.11404.40 
  Jones, Davey 1588 USA1.0010.444017.60 
  Wong-Godfrey, Emerson 1511 USA0.001-0.6640-26.40 

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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