Individual Calculations April 2009
 Makepeace, Philip J  Total change: 9.75  Rating chartPersonal card
 Uxbridge Open Uxbridge ENG 2009-02-20
RcRownchangeKK*chgGame
 2200 2032 1.50 3 0.65 15 9.75 
  Salem, Ihab 2171 PLE1.0010.691510.35 
  Lyell, Mark f2286 ENG0.001-0.1915-2.85 
  Franklin, Samuel G A 2142 ENG0.5010.15152.25 

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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