Individual Calculations July 2008
 Omtvedt, Per  Total change: 6.75  Rating chartPersonal card
 Ostlandsserien 1. division Various places NOR 2007-11-11
RcRownchangeKK*chgGame
 2104 2138 2.50 5 -0.21 15 -3.15 
  Andersen, Jorgen M 2018 NOR1.0010.34155.10 
  Persson, Mats 2131 SWE0.001-0.5115-7.65 
  Edvardsen, Ingar 1941 NOR1.0010.25153.75 
  Thanke, Bror 2144 NOR0.001-0.4915-7.35 
  Andersen, Lars Even 2285 NOR0.5010.20153.00 

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)
 
 Norwegian team Championship 2008 Oslo NOR 2008-05-01
RcRownchangeKK*chgGame
 2040 2138 2.50 3 0.66 15 9.90 
  Grotnes, Nils f2256 NOR0.5010.16152.40 
  Spillum, Jahn 2026 NOR1.0010.35155.25 
  Xue, Ray Jia 1837 NOR1.0010.15152.25 

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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