Individual Calculations September 2009
 Lindstrom, Per-Ove  Total change: 12.75  Rating chartPersonal card
 Stockholm Open 2009 Stockholm SWE 2009-08-10
RcRownchangeKK*chgGame
 1997 1797 1.00 2 0.51 25 12.75 
  Helin, Mikael 1973 SWE1.0010.732518.25 
  Evertsson, Rune 2021 SWE0.001-0.2225-5.50 

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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