Individual Calculations April 2009
 Hamlack, Heinz  Total change: -10.25  Rating chartPersonal card
 Deutsche Amateurmeisterschaft B Aalen GER 2008-12-19
RcRownchangeKK*chgGame
 2012 2084 2.00 4 -0.41 25 -10.25 
  Kuhn, Andreas 1970 GER1.0010.34258.50 
  Wiebusch, Marc 2021 GER1.0010.412510.25 
  Lassahn, Holger 2007 GER0.001-0.6125-15.25 
  Jaeger, Hans-Ulrich 2048 GER0.001-0.5525-13.75 

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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