Individual Calculations July 2008
 Koeckeritz, Dieter  Total change: -18.75  Rating chartPersonal card
 Offenes Qualifikationsturnier 2008 Berlin GER 2008-03-22
RcRownchangeKK*chgGame
 1932 1871 0.50 3 -0.75 25 -18.75 
  Von Loehneysen, Leonard 1987 GER0.5010.16254.00 
  Reiche, Henry 2021 GER0.001-0.3025-7.50 
  Apel, Wolfgang 1788 GER0.001-0.6125-15.25 

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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