Individual Calculations October 2013
 Gjertsen, Petter  Total change: -41.70  Rating chartPersonal card
 Kragerø GP A 2013 Kragerø NOR 2013-09-06
RcRownchangeKK*chgGame
 1857 1837 0.50 4 -1.39 30 -41.70 
  Rygg, Snorre 1844 NOR0.5010.01300.30 
  Storesund, Henrik 1871 NOR0.001-0.4530-13.50 
  Nilsen, Martin 1904 NOR0.001-0.4130-12.30 
  Bjorn, Lasse E 1807 NOR0.001-0.5430-16.20 

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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