Individual Calculations February 2023
 Grant, David J  Total change: 3.20  Rating chartPersonal card
 2022/23 4NCL Division 2 Rounds 3-4 Daventry ENG 2023-01-14
RcRownchangeKK*chgGame
 2148 2090 1.00 2 0.16 20 3.20 
  Crocker, Philip J 2135 ENG1.0010.562011.20 
  Manley, Jon P 2161 ENG0.001-0.4020-8.00 

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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