Individual Calculations July 2012
 Bragg, David R  Total change: -1.35  Rating chartPersonal card
 2012 Washington Open Seatac, Washington USA 2012-05-26
RcRownchangeKK*chgGame
 2134 2166 1.00 2 -0.09 15 -1.35 
  Esler, Brian John 2086 USA0.501-0.1115-1.65 
  Ummel, Igor 2182 USA0.5010.02150.30 

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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