Individual Calculations July 2009
 Koehnke, Torben  Total change: 7.05  Rating chartPersonal card
 Haspa Schachpokal 2009 Bargteheide GER 2009-05-21
RcRownchangeKK*chgGame
 2070 2021 3.50 7 0.47 15 7.05 
  Lindinger, Markus f2283 GER0.001-0.1815-2.70 
  Zierott, Jan 1800 GER0.501-0.2815-4.20 
  Goetz, Claus 1816 GER1.0010.24153.60 
  Welz, Peter, Dr. f2143 GER0.5010.17152.55 
  Wollenweber, Carsten 2158 GER1.0010.681510.20 
  Colpe, Malte 2155 GER0.5010.18152.70 
  Petkidis, Anthony 2137 GER0.001-0.3415-5.10 

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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