Individual Calculations May 2010
 Ehlers, Fredi  Total change: 31.25  Rating chartPersonal card
 Deutsche Amateurmeisterschaft 2009/10 Gruppe B Aalen GER 2010-03-12
RcRownchangeKK*chgGame
 1997 1960 3.50 5 1.25 25 31.25 
  Thelen, Armin 2027 GER0.5010.09252.25 
  Kuechle, Wolfgang, Dr. 2056 GER0.001-0.3725-9.25 
  Litfin, Boris 1965 GER1.0010.512512.75 
  Duerr, Hanno 1996 GER1.0010.552513.75 
  Luckhardt, Matthias 1942 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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