Individual Calculations November 2010
 Wei, James  Total change: -24.75  Rating chartPersonal card
 2010 Illinois Open Championship Oak Brook, Illinois USA 2010-09-04
RcRownchangeKK*chgGame
 1919 1916 0.00 2 -0.99 25 -24.75 
  Velikanov, Alexander 2098 USA0.001-0.2625-6.50 
  Cohen, Fredric S 1740 USA0.001-0.7325-18.25 

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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