Individual Calculations July 2009
 Williams, Christopher  Total change: -14.25  Rating chartPersonal card
 11th Annual Foxwoods Open Mashantucket, Connecticut USA 2009-04-08
RcRownchangeKK*chgGame
 2198 2244 3.50 8 -0.95 15 -14.25 
  Vigorito, David m2384 USA0.001-0.3115-4.65 
  Kraiouchkine, Nikiita 2081 CAN0.001-0.7215-10.80 
  Tate, Emory A m2325 USA0.001-0.3915-5.85 
  Gershenov, Ben 1987 USA1.0010.18152.70 
  Jiang, Louie 2266 CAN1.0010.53157.95 
  Getz, Alec f2229 USA0.501-0.0215-0.30 
  Melekhina, Alisa wm2287 USA0.001-0.4415-6.60 
  Tuhrim, Richard J 2022 USA1.0010.22153.30 

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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