Individual Calculations July 2011
 Lilley, Graham  Total change: 15.15  Rating chartPersonal card
 4NCL 2011 various ENG 2010-11-06
RcRownchangeKK*chgGame
 2019 2081 4.50 6 1.01 15 15.15 
  Habershon, Paul F 2114 ENG0.5010.05150.75 
  Sirisena, Chantal N 1961 ENG1.0010.34155.10 
  Donaghay, Richard H 1983 ENG0.501-0.1315-1.95 
  Mansson, James C 2128 ENG1.0010.57158.55 
  Davis, Lee 1974 WLS0.501-0.1515-2.25 
  Bucknell, Malcolm Gordon 1956 ENG1.0010.33154.95 

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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