Individual Calculations April 2008
 Howell, Chris I  Total change: -6.30  Rating chartPersonal card
 4NCL 2007/8 part 2 Various ENG 2007-09-15
RcRownchangeKK*chgGame
 2142 2112 0.50 2 -0.42 15 -6.30 
  Burnett, Jim 2190 ENG0.5010.11151.65 
  Goodger, Martyn 2093 ENG0.001-0.5315-7.95 

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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