Individual Calculations April 2015
 Karlsson, Roger  Total change: 10.40  Rating chartPersonal card
 Div II 7 2014-15 rond 6-7 Sweden SWE 2015-03-08
RcRownchangeKK*chgGame
 1830 1946 1.50 2 0.26 40 10.40 
  Karlsson, Bengt-Ake 1600 SWE1.0010.11404.40 
  Nilsson, Mikael 2059 SWE0.5010.15406.00 

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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