Individual Calculations September 2009
 Haffner, Alexander  Total change: -9.90  Rating chartPersonal card
 Kieler Open 2009 Kiel GER 2009-08-01
RcRownchangeKK*chgGame
 2041 2160 4.50 8 -0.66 15 -9.90 
  Neitzel, Mirko 1841 GER0.001-0.8715-13.05 
  Wrage, Steffen 1860 GER1.0010.15152.25 
  Schmidt, Peter 1950 GER1.0010.23153.45 
  Kropp, Juergen 2031 GER1.0010.33154.95 
  Buecker, Stefan f2345 GER0.5010.24153.60 
  Wiecker, Stefan 2102 DEN0.001-0.5815-8.70 
  Magnussen, Helge 2056 GER0.501-0.1415-2.10 
  Horn, Peter 2144 GER0.501-0.0215-0.30 

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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