Individual Calculations July 2011
 Spence, David J  Total change: 9.75  Rating chartPersonal card
 4NCL 2011 various ENG 2010-11-06
 2199 2237 4.50 7 0.65 15 9.75 
  Cobb, James E m2392 WLS0.5010.21153.15 
  Morris, Gareth L 2131 WLS1.0010.36155.40 
  Goodger, Martyn 2096 ENG1.0010.31154.65 
  Singleton, Michael P F 2162 ENG0.501-0.1015-1.50 
  Salov, Sergei m2294 GER0.5010.08151.20 
  Rosen, Daniel B c2125 ENG1.0010.35155.25 
  Rutter, Nick J 2191 ENG0.001-0.5615-8.40 

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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