Individual Calculations April 2009
 Hegarty, Sarah N  Total change: -3.60  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 1999 2088 1.00 2 -0.24 15 -3.60 
  Smith, Olivia wf1961 WLS0.001-0.6715-10.05 
  Wilman, Carey A 2037 SCO1.0010.43156.45 

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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