Individual Calculations September 2009
 Heinatz, Dr Gundula  Total change: -7.35  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2241 2232 4.00 9 -0.49 15 -7.35 
  Fedorchuk, Sergey A g2632  * UKR0.001-0.0815-1.20 
  Frick, Renato 2103 LIE0.501-0.1715-2.55 
  Pham, Toan Thanh 2105 NOR0.501-0.1715-2.55 
  Portmann, Daniel 2086 SUI1.0010.30154.50 
  Corti, Massimo 2029 ITA1.0010.24153.60 
  Neimer, Vitaly f2350 ISR0.001-0.3415-5.10 
  Ballmann, Martin m2390 SUI0.001-0.2915-4.35 
  Allor, Chukwuka 2151 NGR1.0010.39155.85 
  Beckhuis, Gernod f2327 GER0.001-0.3715-5.55 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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