Individual Calculations December 2021
 Grieve, Harry  Total change: 9.80  Rating chartPersonal card
 2021/22 4NCL Division 1 & 2 Rounds 1-2 Milton Keynes ENG 2021-11-27
RcRownchangeKK*chgGame
 2109 2320 2.00 2 0.49 20 9.80 
  Borrowdale, Graham E 1999 ENG1.0010.13202.60 
  McClement, Andrew 2219 SCO1.0010.36207.20 

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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