Individual Calculations May 2015
 Roback, Joe  Total change: -7.80  Rating chartPersonal card
 9th Annual Grand Pacific Open Victoria CAN 2015-04-03
RcRownchangeKK*chgGame
 1975 1973 1.50 4 -0.39 20 -7.80 
  Day, Lawrence m2222 CAN0.5010.31206.20 
  Doknjas, Joshua 1984 CAN0.001-0.4820-9.60 
  Kenney, Jason 2119 CAN0.001-0.3020-6.00 
  Bashkansky, Naomi wc1573  * USA1.0010.08201.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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