Individual Calculations September 2011
 Bick, John D  Total change: -24.60  Rating chartPersonal card
 39th Annual World Open - U2400 Section Philadelphia, Pennsylvania USA 2011-06-28
RcRownchangeKK*chgGame
 2077 2237 2.50 6 -1.64 15 -24.60 
  Yagiz, Bora 1901 USA0.501-0.3815-5.70 
  Viswanadha, Kesav 1919 USA1.0010.13151.95 
  Rizzitano, James A m2318 USA0.001-0.3915-5.85 
  Chan, James 1987 CAN1.0010.19152.85 
  Pressman, Leif A 2230 USA0.001-0.5115-7.65 
  Markovits, Alex 2107 USA0.001-0.6815-10.20 

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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