Individual Calculations April 2008
 Bolt, Graham  Total change: 8.55  Rating chartPersonal card
 4NCL 2007/8 part 2 Various ENG 2007-09-15
RcRownchangeKK*chgGame
 2122 2097 1.50 2 0.57 15 8.55 
  Hackett, Dave G 2163 ENG1.0010.59158.85 
  McKeown, Paul 2080 IRL0.501-0.0215-0.30 

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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