Individual Calculations September 2009
 Andersson, Bjorn  Total change: 25.50  Rating chartPersonal card
 Stockholm Open 2009 Stockholm SWE 2009-08-10
RcRownchangeKK*chgGame
 2059 1780 2.00 5 1.02 25 25.50 
  Berkell, Peder f2180  * SWE0.5010.422510.50 
  Defirmian, Nick g2180  * USA0.001-0.0825-2.00 
  Agrest, Anton 1784 SWE1.0010.512512.75 
  Naslund, Mikael f2170 SWE0.5010.412510.25 
  Ranby, Hans 1981 SWE0.001-0.2425-6.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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