Individual Calculations September 2023
 Chang, Eddie  Total change: 45.20  Rating chartPersonal card
 Washington Open - Open Redmond, WA USA 2023-05-27
RcRownchangeKK*chgGame
 1740 1712 3.50 5 1.13 40 45.20 
  Murray, David 1631 USA0.501-0.1140-4.40 
  Pisan, Kai 1632 USA1.0010.394015.60 
  Yang, Arnold 1652 USA1.0010.424016.80 
  Yang, Ryan 2022 CAN0.001-0.1440-5.60 
  Ozusta, Ozgun 1764 TUR1.0010.574022.80 

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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