Individual Calculations May 2016
 Clayton, David C  Total change: 19.20  Rating chartPersonal card
 CCF DAYTIME CHESS CLUB 2015-16 APRIL A London ENG 2016-04-06
RcRownchangeKK*chgGame
 1692 1509 1.00 2 0.48 40 19.20 
  Sonnis, Steve 1657 ENG0.001-0.3040-12.00 
  Kane, Frank G 1726 ENG1.0010.784031.20 

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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