Individual Calculations January 2021
 Hedstrom, Johan  Total change: -18.40  Rating chartPersonal card
 Kristallens KM 2020 R 1234 Stockholm SWE 2020-09-03
RcRownchangeKK*chgGame
 1857 2048 2.00 4 -0.92 20 -18.40 
  Lindberg, Sture 1721 SWE0.501-0.3720-7.40 
  Pihlstrand-Trulp, Joakim 1933 SWE1.0010.34206.80 
  Dingertz, Erik 2002 SWE0.001-0.5620-11.20 
  Hagg, Peter 1771 SWE0.501-0.3320-6.60 

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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