Individual Calculations April 2018
 Edwards, Simon R  Total change: 8.60  Rating chartPersonal card
 2017/18 4NCL Division 3 North Rounds 7-8 Bolton ENG 2018-03-17
RcRownchangeKK*chgGame
 1905 1931 1.50 2 0.43 20 8.60 
  Flint, Martina 1844 GER1.0010.38207.60 
  Gardiner, Eric D 1965 ENG0.5010.05201.00 

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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