Individual Calculations September 2009
 Petersen, Soren Boeck  Total change: -2.25  Rating chartPersonal card
 Lichtenberger Sommer 2009 Berlin GER 2009-08-15
RcRownchangeKK*chgGame
 2094 2263 5.50 8 -0.15 15 -2.25 
  Kohlmeyer, Dagobert 1912 GER1.0010.11151.65 
  Krajewski, Wolfgang 2131 GER0.501-0.1815-2.70 
  Neumann, Joachim 2191 GER0.501-0.1015-1.50 
  Welz, Peter, Dr. f2101 GER1.0010.29154.35 
  Friedrich, Wiede 2087 GER0.501-0.2315-3.45 
  Kuester, Manfred 1903 GER1.0010.10151.50 
  Schaefer, Erik 2164 GER0.501-0.1415-2.10 
  Schindler, Samuel 2260 GER0.5010.00150.00 

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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