Individual Calculations April 2014
 Birkisson, Bjorn Holm  Total change: -5.25  Rating chartPersonal card
 N1 Reykjavik Open 2014 Reykjavik ISL 2014-03-04
RcRownchangeKK*chgGame
 1836 1598 1.50 8 -0.35 15 -5.25 
  Van Weersel, Arlette wm1998  * NED0.001-0.0815-1.20 
  Mare, Eben 1967 RSA0.001-0.1015-1.50 
  Danielsson, Sigurdur 1953 ISL0.5010.39155.85 
  Haraldsson, Oskar 1897 ISL0.001-0.1515-2.25 
  Aubert, Carsten 1997 NOR0.001-0.0815-1.20 
  Johannsdottir, Johanna Bjorg 1865 ISL0.001-0.1815-2.70 
  Hansen, Erle Andrea Marki 1810 NOR0.001-0.2315-3.45 
  Kristbergsson, Bjorgvin 1198  * ISL1.0010.08151.20 
 * 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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