Individual Calculations September 2009
 Kuhn, Thomas  Total change: -7.35  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2179 2173 3.50 8 -0.49 15 -7.35 
  Portisch, Lajos g2513 HUN0.001-0.1215-1.80 
  Kube, Hannelore 2000 GER1.0010.27154.05 
  Sedina, Elena mwg2333 ITA0.001-0.2915-4.35 
  Studer, Noel 1968 SUI0.501-0.2615-3.90 
  Corti, Massimo 2029 ITA1.0010.31154.65 
  Schiendorfer, Emanuel f2321 SUI0.001-0.3015-4.50 
  Donchenko, Alexander 2009 GER1.0010.28154.20 
  Rosenthal, Jonathan 2262 SUI0.001-0.3815-5.70 

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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