Individual Calculations February 2024
 Welling, Zac  Total change: 4.40  Rating chartPersonal card
 2023-24 4NCL Division 4 Rounds 3-4 Telford ENG 2024-01-06
RcRownchangeKK*chgGame
 1902 1645 0.50 2 0.11 40 4.40 
  Bharat Kumar, Balahari 1996 ENG0.001-0.1140-4.40 
  Goodwin, Ed H 1808 ENG0.5010.22408.80 

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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