Individual Calculations July 2010
 Keely, Leo A  Total change: -12.90  Rating chartPersonal card
 e2e4.org.uk Warrington Congress Open Warrington, Cheshire ENG 2010-05-07
RcRownchangeKK*chgGame
 2129 1962 0.00 3 -0.86 15 -12.90 
  Roberts, Paul c2209 SCO0.001-0.1915-2.85 
  Jaunooby, Ali R 2158 ENG0.001-0.2515-3.75 
  Garnett, John S 2021 ENG0.001-0.4215-6.30 

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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