Individual Calculations July 2012
 Ummel, Igor  Total change: -11.40  Rating chartPersonal card
 2012 Washington Open Seatac, Washington USA 2012-05-26
RcRownchangeKK*chgGame
 2031 2182 2.00 4 -0.76 15 -11.40 
  Doknjas, John 1884 CAN0.501-0.3515-5.25 
  Xing, Casey 1993 USA0.501-0.2515-3.75 
  Bragg, David R f2166 USA0.501-0.0215-0.30 
  Bartron, Paul R f2079 USA0.501-0.1415-2.10 

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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