Individual Calculations February 2023
 Zhao, Alex  Total change: 152.00  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1977 1652 4.50 5 3.80 40 152.00 
  Pupols, Viktors 1823 USA0.5010.23409.20 
  Salman, Nachum f2036 USA1.0010.914036.40 
  Kitagami, Show 1919 JPN1.0010.824032.80 
  Omori, Michael 2031 USA1.0010.914036.40 
  Fong, Kevin Leong 2077 USA1.0010.934037.20 

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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