Individual Calculations April 2009
 Curtis, John E  Total change: -12.75  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2175 2122 0.00 2 -0.85 15 -12.75 
  Briscoe, Chris 2253 ENG0.001-0.3215-4.80 
  Winkelmann, Elena 2097 GER0.001-0.5315-7.95 

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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