Individual Calculations July 2010
 Petzold, Hans, Prof. Dr.  Total change: -8.70  Rating chartPersonal card
 6.offene Hessische Seniorenmeisterschaft Bad Sooden-Allendorf GER 2010-04-24
RcRownchangeKK*chgGame
 2076 2167 5.00 9 -0.58 15 -8.70 
  Papenkordt, Karl-Hermann 1898 GER1.0010.17152.55 
  Wulf, Adalbert 2013 GER0.501-0.2115-3.15 
  Goertz, Hans 2004 GER1.0010.28154.20 
  Boehm, Siegfried 2080 GER1.0010.38155.70 
  Welz, Peter, Dr. f2148 GER0.501-0.0315-0.45 
  Haubt, Georg f2253 GER0.5010.12151.80 
  Baum, Bernd, Dr. f2231 GER0.001-0.4115-6.15 
  Just, Joachim 2021 GER0.501-0.2015-3.00 
  Busic, Nedjeljko 2035 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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