Individual Calculations September 2009
 Reefschlaeger, Helmut Dr  Total change: -3.20  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2242 2316 5.00 9 -0.32 10 -3.20 
  Grandadam, Patrik 2066 SUI1.0010.19101.90 
  Lopez, Martinez Jose Manuel g2555 ESP0.001-0.2010-2.00 
  Lang, Erich 2162 SUI0.001-0.7110-7.10 
  Studer, Noel 1968 SUI1.0010.11101.10 
  Schiendorfer, Florian 2138 SUI0.501-0.2310-2.30 
  Kriste, Vincent 2190 SUI0.501-0.1710-1.70 
  Lipecki, Alexander 2161 SUI1.0010.29102.90 
  Caspi, Israel m2417 ISR1.0010.64106.40 
  Lauber, Arnd m2517 GER0.001-0.2410-2.40 

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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