Individual Calculations August 2017
 Grahn, Jan  Total change: 23.20  Rating chartPersonal card
 Veteran-SM 65 2017 Stockholm SWE 2017-07-08
RcRownchangeKK*chgGame
 1975 1966 4.50 8 0.58 40 23.20 
  Andersson, Vincent 1789 SWE1.0010.274010.80 
  Wahlstedt, Mats 1906 SWE0.501-0.0840-3.20 
  Akerblom, Bernt 1960 SWE0.501-0.0140-0.40 
  Alfven, Jorgen 1927 SWE1.0010.454018.00 
  Safholm, Sten 2012 SWE1.0010.564022.40 
  Malmdin, Nils-Ake f2209 SWE0.001-0.2040-8.00 
  Svensson, Soren 2009 SWE0.5010.06402.40 
  Algars, Olle 1987 SWE0.001-0.4740-18.80 

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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