Individual Calculations April 2008
 Ibragimov, Ildar  Total change: -8.30  Rating chartPersonal card
 17th Annual North American Open Las Vegas, NV USA 2007-12-26
RcRownchangeKK*chgGame
 2467 2598 2.50 5 -0.83 10 -8.30 
  Mikhailuk, Slava f2446 USA0.501-0.2010-2.00 
  Friedel, Joshua m2477 USA1.0010.34103.40 
  Shabalov, Alexander g2626 USA0.001-0.4610-4.60 
  Rohde, Michael g2467 USA1.0010.32103.20 
  Kretchetov, Alex f2320 RUS0.001-0.8310-8.30 

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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