Individual Calculations September 2010
 Helmers, Wim  Total change: -7.95  Rating chartPersonal card
 8. Davos Open Davos SUI 2010-08-08
RcRownchangeKK*chgGame
 2057 2126 3.00 6 -0.53 15 -7.95 
  Del Val, Moise 1847 SUI1.0010.16152.40 
  Krueckeberg, Bernd 1975 GER1.0010.30154.50 
  Kelecevic, Nedeljko m2294 SUI0.5010.22153.30 
  Lematschko, Tatjana wg2185 SUI0.001-0.4215-6.30 
  Oganessian, Gaguik f2043 ARM0.501-0.1115-1.65 
  Thon, Manfred 1995 GER0.001-0.6815-10.20 

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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