Individual Calculations September 2012
 Willis, Bradley J.  Total change: 19.50  Rating chartPersonal card
 2012 Abe Yanofsky Memorial Winnipeg, Manitoba CAN 2012-07-27
RcRownchangeKK*chgGame
 2059 2003 3.00 4 1.30 15 19.50 
  Pottinger, Carl 1998 CAN1.0010.49157.35 
  Melamedoff, Gustavo 2040 CAN1.0010.55158.25 
  Iyer, Chandrashekhar 2052 IND0.5010.07151.05 
  Babb, Jeff 2144 CAN0.5010.19152.85 

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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