Individual Calculations April 2024
 Williamson, Roger G  Total change: 1.40  Rating chartPersonal card
 2023-24 4NCL Division 4 Rounds 7-8 Warwick ENG 2024-03-09
RcRownchangeKK*chgGame
 1988 2151 1.50 2 0.07 20 1.40 
  Cave, Iwan 1985 WLS0.501-0.2220-4.40 
  Bansal, Rohan 1990 ENG1.0010.29205.80 

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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