Individual Calculations November 2009
 Brock, William H  Total change: -1.20  Rating chartPersonal card
 2009 Illinois Open Championship Oak Brook, Illinois USA 2009-09-05
RcRownchangeKK*chgGame
 2416 2016 0.00 1 -0.08 15 -1.20 
  Felecan, Florin f2416  * USA0.001-0.0815-1.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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