Individual Calculations September 2011
 Petzold, Hans, Prof. Dr.  Total change: -4.20  Rating chartPersonal card
 23.Deutsche Senioren-Einzelmeisterschaft Halle GER 2011-08-05
RcRownchangeKK*chgGame
 2034 2145 5.50 9 -0.28 15 -4.20 
  Sapozhnykov, Grygoriy 1846 GER1.0010.15152.25 
  Thormann, Wolfgang f2251 GER0.001-0.3615-5.40 
  Mertens, Gottfried 1980 GER0.501-0.2215-3.30 
  Podolnyy, Jakiv 1964 UKR0.501-0.2415-3.60 
  Piastowski, Kurt 1976 GER1.0010.28154.20 
  Villing, Dieter 2145 GER0.5010.00150.00 
  Reimann, Hubert 1965 GER0.501-0.2415-3.60 
  Seidel, Arnold 2018 GER1.0010.33154.95 
  Achenbach, Manfred 2160 GER0.5010.02150.30 

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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