Individual Calculations May 2018
 Selby, Keith  Total change: 8.60  Rating chartPersonal card
 CCF WINTER CHESS LONG PLAY RESULTS APRIL A London ENG 2018-04-02
RcRownchangeKK*chgGame
 1148 1393 2.00 2 0.43 20 8.60 
  Rizvi, Aysha 1031 ENG1.0010.10202.00 
  Gold, Harry 1265 ENG1.0010.33206.60 

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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