Individual Calculations April 2016
 Bellin, Jana M  Total change: -25.60  Rating chartPersonal card
 4NCL Division 2 WE 4 Birmingham ENG 2016-03-19
RcRownchangeKK*chgGame
 1999 2100 0.00 2 -1.28 20 -25.60 
  Richardson, Keith B 1978 ENG0.001-0.6720-13.40 
  Freeman, Richard C P 2019 ENG0.001-0.6120-12.20 

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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