Individual Calculations September 2011
 Mabe, Chris J  Total change: -12.75  Rating chartPersonal card
 39th Annual World Open - U2400 Section Philadelphia, Pennsylvania USA 2011-06-28
RcRownchangeKK*chgGame
 2149 2229 4.00 8 -0.85 15 -12.75 
  Marmont, Benjamin 2136 USA0.501-0.1315-1.95 
  Matlin, Anna R 1961 USA0.001-0.8315-12.45 
  Velikanov, Alexander 2105 USA1.0010.33154.95 
  Mateer, Amanda wf2114 USA1.0010.34155.10 
  Shahade, Michael f2266 USA1.0010.55158.25 
  Rizzitano, James A m2318 USA0.001-0.3815-5.70 
  Ross, Laura wf2154 USA0.501-0.1015-1.50 
  Gater, Daniel B 2136 USA0.001-0.6315-9.45 

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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