Individual Calculations April 2009
 Hattendorf, Jens, Dr.  Total change: -0.25  Rating chartPersonal card
 Deutsche Amateurmeisterschaft B Aalen GER 2008-12-19
RcRownchangeKK*chgGame
 2020 2022 2.50 5 -0.01 25 -0.25 
  Koch, Dirk 2096 GER0.5010.10252.50 
  Biegel, Thomas 2027 GER0.5010.01250.25 
  Lassahn, Holger 2007 GER0.001-0.5225-13.00 
  Woynowski, Manfred 1973 GER0.501-0.0725-1.75 
  Sebastian, Michael 1997 GER1.0010.472511.75 

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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