Individual Calculations February 2023
 Zulfic, Fedja  Total change: -8.80  Rating chartPersonal card
 2022/23 4NCL Division 1 Rounds 3-4 Daventry ENG 2023-01-14
RcRownchangeKK*chgGame
 2167 2145 0.50 2 -0.44 20 -8.80 
  Ledger, Dave J f2162 ENG0.001-0.4820-9.60 
  Thorarinsson, Pall A. f2172 ISL0.5010.04200.80 

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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