Individual Calculations April 2009
 Commercon, Simon  Total change: 11.55  Rating chartPersonal card
 7.Internationales Mannheimer Open Mannheim GER 2008-12-26
RcRownchangeKK*chgGame
 2182 2061 2.50 5 0.77 15 11.55 
  Larem, Peter 1935 GER1.0010.33154.95 
  Postojev, Alexander f2364 GER0.001-0.1415-2.10 
  Dushatskiy, Fedor 2193 GER1.0010.681510.20 
  Kettner, Juergen 2243 GER0.001-0.2615-3.90 
  Sessler, Joachim, Dr. 2175 GER0.5010.16152.40 

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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