Individual Calculations April 2009
 Spencer, Carl J  Total change: 1.75  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2158 2134 1.00 2 0.07 25 1.75 
  Regan, Natasha K wm2197 ENG1.0010.592514.75 
  Varnam, Liam D 2118 ENG0.001-0.5225-13.00 

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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