Individual Calculations January 2010
 Ortoft, Kai  Total change: -21.90  Rating chartPersonal card
 Kristiansand Open GP Kristiansand NOR 2009-11-13
RcRownchangeKK*chgGame
 1984 2064 1.50 5 -1.46 15 -21.90 
  Theting, Helge E. 1993 NOR0.501-0.1015-1.50 
  Hobber, Anders 2132 NOR0.001-0.4115-6.15 
  Hagen, Thorolf 1704 NOR1.0010.10151.50 
  Torgersen, Terje 2049 NOR0.001-0.5215-7.80 
  Johnsen, Sylvia wf2040 NOR0.001-0.5315-7.95 

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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