Individual Calculations February 2019
 Grebstad, Kjell Borre  Total change: 11.80  Rating chartPersonal card
 Ostlandsserien 1. div 2018-2019 R4-5 Diverse NOR 2019-01-12
RcRownchangeKK*chgGame
 2087 2053 1.50 2 0.59 20 11.80 
  Andersen, Oystein R. 2055 NOR1.0010.502010.00 
  Abdrlauf, Elham 2118 NOR0.5010.09201.80 

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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