Individual Calculations March 2018
 Abbas, Ahmed C  Total change: 5.60  Rating chartPersonal card
 2017/18 4NCL Division 3 North Rounds 5-6 Bolton ENG 2018-02-10
RcRownchangeKK*chgGame
 1891 1608 0.50 2 0.14 40 5.60 
  Johnson, Michael D 1994 ENG0.001-0.0940-3.60 
  Graham, Neil 1787 ENG0.5010.23409.20 

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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