Individual Calculations April 2023
 Karell, Leif Kazuo  Total change: 12.60  Rating chartPersonal card
 31st annual Eastern Class Championships - Expert Windsor Locks, CT USA 2023-03-17
RcRownchangeKK*chgGame
 1740 1706 2.00 3 0.63 20 12.60 
  Goodrich, Elliott 1597 USA0.501-0.1520-3.00 
  Xie, Charles 1719 USA1.0010.522010.40 
  Farberov, Maxim 1904 USA0.5010.26205.20 

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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