Individual Calculations September 2009
 Guddahl, Viggo  Total change: 3.90  Rating chartPersonal card
 Sveins 2. memorial Oslo NOR 2009-06-19
RcRownchangeKK*chgGame
 2150 2118 4.00 8 0.26 15 3.90 
  Akbarinia, Sayed Arash f2337 IRI0.001-0.2215-3.30 
  Tari, Aryan 1873 NOR1.0010.20153.00 
  Hammer, Jon Ludvig g2468 NOR0.001-0.1115-1.65 
  Nygaard, Timmie 1930 NOR1.0010.26153.90 
  Grotnes, Nils f2232 NOR0.5010.16152.40 
  Hoi, Carsten g2387 DEN0.001-0.1715-2.55 
  Skage, Oystein Aagedal 1966 NOR1.0010.30154.50 
  Heikkila, Antti 2003 FIN0.501-0.1615-2.40 

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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