Individual Calculations October 2008
 Koehn, Peter  Total change: -17.70  Rating chartPersonal card
 17. ZMD Open Dresden 2008 Dresden GER 2008-07-19
RcRownchangeKK*chgGame
 2183 2285 4.50 9 -1.18 15 -17.70 
  Jahn, Dietmar 1935 GER1.0010.11151.65 
  Stark, Saskia 1935 GER0.501-0.3915-5.85 
  Pingel, Falko 2048 GER0.501-0.3015-4.50 
  Fedorchuk, Sergey g2624 UKR0.001-0.1215-1.80 
  Rozov, Boris 2155 GER1.0010.32154.80 
  Svetushkin, Dmitry g2587 MDA0.001-0.1515-2.25 
  Doberitz, Paul 2113 GER1.0010.27154.05 
  Neumann, Michael 2151 GER0.001-0.6815-10.20 
  Meissner, Felix 2101 GER0.501-0.2415-3.60 

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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