Individual Calculations July 2010
 Tandi, Edward  Total change: 20.75  Rating chartPersonal card
 Surrey Congress - Major Cheam ENG 2010-04-02
RcRownchangeKK*chgGame
 1952 1872 2.00 3 0.83 25 20.75 
  Hayward, Alan 1964 ENG1.0010.632515.75 
  Bryant, Richard B E 1945 ENG0.5010.10252.50 
  Lalic, Peter D 1946 ENG0.5010.10252.50 

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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