Individual Calculations February 2013
 Wilsbeck, Jan B.  Total change: -2.55  Rating chartPersonal card
 Karlstad Open 2012 Karlstad SWE 2012-12-27
RcRownchangeKK*chgGame
 2050 1917 0.50 2 -0.17 15 -2.55 
  Blomstrom, Lars 2151 SWE0.5010.29154.35 
  Green, Per 1949 SWE0.001-0.4615-6.90 

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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