Individual Calculations May 2023
 Coy, Rupert  Total change: 9.60  Rating chartPersonal card
 2023 O2C Doeberl Cup Premier Canberra AUS 2023-04-06
RcRownchangeKK*chgGame
 1956 1793 2.50 7 0.48 20 9.60 
  Clarke, Matthew f2075 AUS0.001-0.1620-3.20 
  Datar, Tejas 1921 AUS0.001-0.3320-6.60 
  Liu, William Rui 1898 NZL1.0010.642012.80 
  Hu, Yifei 1936 AUS0.001-0.3120-6.20 
  O`mahoney, Keegan 1908 IRL0.001-0.3420-6.80 
  Dowden, Tony c1949 NZL0.5010.21204.20 
  O Carroll, Jeremy 2002 AUS1.0010.772015.40 

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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