Individual Calculations February 2023
 Han, Qiyu Joe  Total change: 14.60  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1873 1679 1.50 3 0.73 20 14.60 
  Dai, Xuli 1862 USA0.5010.24204.80 
  Akopian, Robert 1957 USA0.001-0.1720-3.40 
  Talwalkar, Vedant Ameya 1800 USA1.0010.662013.20 

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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