Individual Calculations July 2011
 De Coverly, Roger D  Total change: 11.85  Rating chartPersonal card
 4NCL 2011 various ENG 2010-11-06
RcRownchangeKK*chgGame
 2073 2091 5.50 9 0.79 15 11.85 
  Stimpson, Philip M 2095 ENG0.5010.01150.15 
  Russell, Christopher 2086 ENG0.501-0.0115-0.15 
  Grant, David J 2095 ENG1.0010.51157.65 
  Curtis, John E 2123 ENG0.5010.04150.60 
  Davey, Mark 2002 ENG1.0010.38155.70 
  Rich, Mark C c2145 ENG0.5010.08151.20 
  Cumming, Rhys 2008 ENG1.0010.39155.85 
  Smith, Olivia wf2004 WLS0.001-0.6215-9.30 
  Gregory, Stephen J 2099 ENG0.5010.01150.15 

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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