Individual Calculations December 2015
 Elwin, Adrian G  Total change: -1.40  Rating chartPersonal card
 4NCL Division 2 WE1 Birmingham ENG 2015-11-14
RcRownchangeKK*chgGame
 1966 1989 1.00 2 -0.07 20 -1.40 
  Smart, Michael R 2027 ENG1.0010.552011.00 
  Disu, Kayode 1904 ENG0.001-0.6220-12.40 

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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