Individual Calculations September 2015
 Berg, Roy  Total change: 19.60  Rating chartPersonal card
 Goteburg Open 2015 normal Gothenburg SWE 2015-08-15
RcRownchangeKK*chgGame
 2055 1865 1.00 2 0.49 40 19.60 
  Vagle, Raymond 2020 NOR0.5010.21408.40 
  Lindsten, Dennis 2089 SWE0.5010.284011.20 

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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