Individual Calculations September 2010
 Willis, Bradley J.  Total change: -3.50  Rating chartPersonal card
 2010 Canadian Open Toronto, Ontario CAN 2010-07-10
RcRownchangeKK*chgGame
 2233 2093 1.50 5 -0.14 25 -3.50 
  Cheng, Bindi f2354 CAN0.001-0.1825-4.50 
  Walton, Alan J. c2147 ENG0.5010.08252.00 
  Calugar, Arthur 2144 CAN1.0010.572514.25 
  Mulyar, Michael m2405 USA0.001-0.1425-3.50 
  Qin, Zi Yi (joey) 2117 CAN0.001-0.4725-11.75 

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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