Individual Calculations April 2020
 Bulmaga, Irina  Total change: -9.00  Rating chartPersonal card
 2019/20 4NCL Div 1 Rounds 1 - 2 Daventry ENG 2020-02-29
RcRownchangeKK*chgGame
 2296 2453 0.50 2 -0.90 10 -9.00 
  Eggleston, David J m2383 ENG0.001-0.6010-6.00 
  Dong, Bao Nghia 2209 VIE0.501-0.3010-3.00 

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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