Individual Calculations July 2010
 James, Dai  Total change: -0.75  Rating chartPersonal card
 Four Nations Chess League (4NCL) Various ENG 2009-10-24
RcRownchangeKK*chgGame
 1982 1995 1.00 2 -0.03 25 -0.75 
  Harley-Yeo, Gareth 2059 WLS1.0010.592514.75 
  Lunn, Matthew 1905 ENG0.001-0.6225-15.50 

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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