Individual Calculations September 2023
 Roberts, Aston  Total change: 60.00  Rating chartPersonal card
 28th annual Bradley Open - Major Windsor Locks, CT USA 2023-07-28
RcRownchangeKK*chgGame
 1841 1717 2.50 3 1.50 40 60.00 
  Wang, Alexander J 1841 USA1.0010.674026.80 
  Yadawad, Ansh 1838 USA0.5010.16406.40 
  Ji, Y Owen 1844 USA1.0010.674026.80 

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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