Individual Calculations February 2020
 Derakhshani, Dorsa  Total change: -6.50  Rating chartPersonal card
 2019 Pan-American Intercollegiate Championship Charlotte, North Carolina USA 2019-12-27
RcRownchangeKK*chgGame
 2133 2277 2.00 4 -0.65 10 -6.50 
  Berczes, David g2449 HUN0.001-0.2710-2.70 
  Sakai, Hibiki 2113 JPN1.0010.28102.80 
  Martinez, Isaac 2080 USA0.001-0.7510-7.50 
  Zhang, Brendan 1891 USA1.0010.09100.90 

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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