Individual Calculations May 2023
 Lind, Jan-Olov  Total change: -0.40  Rating chartPersonal card
 Ervalla KM 203 R67 Dylta bruk SWE 2023-04-10
RcRownchangeKK*chgGame
 2007 2208 1.50 2 -0.02 20 -0.40 
  Jonsson, Magnus 1981 SWE1.0010.21204.20 
  Bjornvall, Tord 2032 SWE0.501-0.2320-4.60 

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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