Individual Calculations February 2023
 Onyekwere, Chikwere Godwin  Total change: -44.40  Rating chartPersonal card
 32nd annual North American Open Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1989 2196 4.50 9 -2.22 20 -44.40 
  Chen, Rachel Ruoxuan wc1837 CAN1.0010.10202.00 
  Sampath, Vedanth 1796  * USA1.0010.08201.60 
  Sorokin, Aleksey f2537 RUS0.001-0.1220-2.40 
  Yedidia, Daniel 2069 USA0.501-0.1720-3.40 
  Shawkat, Saif 1938 USA0.501-0.3220-6.40 
  Jiang, Andrew 1959 USA0.001-0.8020-16.00 
  Atwell, Rose 1956 USA0.501-0.3020-6.00 
  Wongso, Steve 1921 USA0.001-0.8320-16.60 
  Guo, Ethan 1892 USA1.0010.14202.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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