Individual Calculations June 2017
 Ruud, Christian Holmboe  Total change: -2.80  Rating chartPersonal card
 Gjovik Grand Prix B 2017 Gjovik NOR 2017-05-05
RcRownchangeKK*chgGame
 1206 1240 1.50 3 -0.14 20 -2.80 
  Erikstad, Anders 1140 NOR0.001-0.6420-12.80 
  Ardal, Steinar 1031 NOR0.501-0.2720-5.40 
  Skaansar, Lasse 1447 NOR1.0010.772015.40 

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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