Individual Calculations January 2023
 Casella, Michael  Total change: -50.20  Rating chartPersonal card
 57th American Open Orange, CA USA 2022-11-22
RcRownchangeKK*chgGame
 1899 2184 0.00 3 -2.51 20 -50.20 
  Wang, Andrew 1824 USA0.001-0.9020-18.00 
  Wongso, Steve 1921 USA0.001-0.8220-16.40 
  Wang, Jeffery 1953 USA0.001-0.7920-15.80 

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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