Individual Calculations September 2009
 Graefe, Charly  Total change: 60.50  Rating chartPersonal card
 Lichtenberger Sommer 2009 Berlin GER 2009-08-15
RcRownchangeKK*chgGame
 2102 1889 4.50 8 2.42 25 60.50 
  Rietze, Clemens 2192 GER0.001-0.1425-3.50 
  Nauschuetz, Ernst 1839 GER0.501-0.0725-1.75 
  Ziems, Michael 1743 GER1.0010.30257.50 
  Amelang, Thomas 2176 GER1.0010.842521.00 
  Schnitzer, Peter 2183 GER0.5010.35258.75 
  Neffe, Axel 2235 GER1.0010.892522.25 
  Schindler, Samuel 2260 GER0.001-0.1025-2.50 
  Neumann, Joachim 2191 GER0.5010.35258.75 

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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