Individual Calculations July 2010
 Wheldon, Philip  Total change: -8.25  Rating chartPersonal card
 Surrey Congress - Open Cheam ENG 2010-04-02
RcRownchangeKK*chgGame
 2023 2133 3.50 6 -0.33 25 -8.25 
  Gibson, Christopher A 1973 ENG1.0010.29257.25 
  McCullough, Simon L 1986 ENG0.001-0.7025-17.50 
  Holland, James P 1973 ENG0.501-0.2125-5.25 
  Fordham, Nicholas 1830 ENG1.0010.14253.50 
  Henderson, Ian R 2117 ENG1.0010.482512.00 
  Roberson, Peter T 2256 ENG0.001-0.3325-8.25 

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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