Individual Calculations July 2011
 Gilbert, Colin  Total change: -0.15  Rating chartPersonal card
 4NCL 2011 various ENG 2010-11-06
RcRownchangeKK*chgGame
 1949 1826 1.00 3 -0.01 15 -0.15 
  Rabbitt, Michael 2020 ENG0.001-0.2515-3.75 
  Cresswell, Mike J 1876 ENG0.5010.07151.05 
  Armstrong, William G 1952 ENG0.5010.17152.55 

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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