Individual Calculations September 2009
 Duerig, Willi  Total change: -9.45  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2123 2134 4.00 9 -0.63 15 -9.45 
  Caspi, Israel m2417 ISR0.001-0.1615-2.40 
  Meylan, Andre 1871 SUI0.501-0.3215-4.80 
  Zak, Uri 2243 ISR0.001-0.3515-5.25 
  Speck, Hans 2023 SUI0.501-0.1515-2.25 
  Paul, Mathias 1972 GER1.0010.29154.35 
  Maeser, Fabian f2307 SUI0.001-0.2715-4.05 
  Stoeri, Simon 1974 SUI1.0010.29154.35 
  Botta, Gabriele 2228 SUI0.001-0.3715-5.55 
  Barnier, Alain 2071 FRA1.0010.41156.15 

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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