Individual Calculations April 2008
 Heidtfeld, Dirk  Total change: -23.25  Rating chartPersonal card
 Deutsche Amateurmeisterschaft Gruppe C Bruehl GER 2008-02-01
RcRownchangeKK*chgGame
 1832 1805 0.00 2 -0.93 25 -23.25 
  Sonntag, Sven 1902 GER0.001-0.3725-9.25 
  Mazarov, Paul, Dr. 1762 GER0.001-0.5625-14.00 

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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