Individual Calculations January 2021
 Bruhl, Peter  Total change: 2.40  Rating chartPersonal card
 Sallskapets hostturnering 2020 Grupp A Stockholm SWE 2020-09-08
RcRownchangeKK*chgGame
 1890 1871 2.50 5 0.12 20 2.40 
  Ranby, Hans 1891 SWE0.5010.03200.60 
  Adamsson, Goran 1843 SWE0.501-0.0420-0.80 
  Evertsson, Rune 1997 SWE0.001-0.3320-6.60 
  Helin, Mikael c1874 SWE1.0010.502010.00 
  Johansson, Tage 2001 1844 SWE0.501-0.0420-0.80 

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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