Individual Calculations April 2023
 White, Stuart A  Total change: 2.20  Rating chartPersonal card
 2022/23 4NCL Division 2 Rounds 7-8 Daventry ENG 2023-03-18
RcRownchangeKK*chgGame
 2089 2049 1.00 2 0.11 20 2.20 
  Ball, Laurence 2043 ENG1.0010.49209.80 
  Roe, Simon J 2134 ENG0.001-0.3820-7.60 

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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