Individual Calculations January 2021
 Mardell, Jonas  Total change: 14.40  Rating chartPersonal card
 Kristallens KM 2020 R 1234 Stockholm SWE 2020-09-03
RcRownchangeKK*chgGame
 1922 2085 3.50 4 0.72 20 14.40 
  Hagg, Peter 1771 SWE1.0010.14202.80 
  Dingertz, Erik 2002 SWE1.0010.39207.80 
  Hamilton, Olov 1831 SWE1.0010.19203.80 
  Lindfors, Tom 2084 SWE0.5010.00200.00 

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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