Individual Calculations September 2009
 Dourerassou, Jonathan  Total change: -12.70  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2290 2412 4.00 8 -1.27 10 -12.70 
  Adamantidis, Panagiotis 2129 SUI0.001-0.8410-8.40 
  Mandon, Fabrice 2251 FRA1.0010.29102.90 
  Hitzler, Philipp 2269 GER0.001-0.6910-6.90 
  Haas, Carmi 2223 SUI1.0010.25102.50 
  Modler, Andreas 2275 GER0.501-0.1810-1.80 
  Loew, Gerald f2287 GER1.0010.33103.30 
  Andersson, Ulf g2581 SWE0.001-0.2810-2.80 
  Renaze, Luc f2305 FRA0.501-0.1510-1.50 

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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