Individual Calculations February 2023
 Akopian, Robert  Total change: -2.20  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1918 1957 1.50 3 -0.11 20 -2.20 
  Han, Qiyu Joe 1679 USA1.0010.17203.40 
  Rosenthal, Nicholas J 2101 USA0.5010.19203.80 
  Macaspac, Arthur 1975 USA0.001-0.4720-9.40 

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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