Individual Calculations April 2023
 Lewis, Edward  Total change: -20.60  Rating chartPersonal card
 2023 Spring Tuesday Night Marathon - 2000 and over Rounds 1-3 San Francisco, CA USA 2023-03-07
RcRownchangeKK*chgGame
 1844 1855 0.00 2 -1.03 20 -20.60 
  Dasika, Archit 1997 USA0.001-0.3120-6.20 
  Ivanenko, Anthony Vladimir 1691 USA0.001-0.7220-14.40 

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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