Individual Calculations April 2015
 Koehn, Walter  Total change: 11.60  Rating chartPersonal card
 3. World Senior Team Championship Open 50+ Dresden GER 2015-02-24
RcRownchangeKK*chgGame
 1883 1773 2.50 6 0.29 40 11.60 
  Vollak, Andreas 2017 GER0.001-0.2040-8.00 
  Skibbe, Diana wf2073 GER0.5010.354014.00 
  Onstad, Lars 1961 NOR0.5010.24409.60 
  Warstad, Leif E 1622 NOR0.501-0.2040-8.00 
  Johansen, Bjorn 1704 NOR1.0010.404016.00 
  Ruotanen, Helge 1921 FIN0.001-0.3040-12.00 

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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