Individual Calculations September 2017
 Grottke, Hans-Joachim, Dr.  Total change: -16.60  Rating chartPersonal card
 29. Deutsche Senioreneinzelmeisterschaft 2017 Gruppe A Berlin GER 2017-08-08
RcRownchangeKK*chgGame
 1978 2196 1.50 3 -0.83 20 -16.60 
  Davydov, Mihail 1979 GER0.501-0.2820-5.60 
  Boost, Juergen 1961 GER0.501-0.2920-5.80 
  Zschunke, Werner 1994 GER0.501-0.2620-5.20 

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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