Individual Calculations September 2009
 Akbarinia, Sayed Arash  Total change: 2.85  Rating chartPersonal card
 Sveins 2. memorial Oslo NOR 2009-06-19
RcRownchangeKK*chgGame
 2212 2337 6.00 9 0.19 15 2.85 
  Thingstad, Anders 1987 NOR1.0010.11151.65 
  Guddahl, Viggo 2118 NOR1.0010.22153.30 
  Ogaard, Leif g2403 NOR0.001-0.4115-6.15 
  Edvardsen, Ragnar 2060 NOR1.0010.17152.55 
  Hebden, Mark L g2510 ENG0.5010.23153.45 
  De Verdier, Michael 2229 SWE1.0010.35155.25 
  Adnoy, Hallvard V. 2299 NOR0.001-0.5515-8.25 
  Heikkila, Antti 2003 FIN1.0010.12151.80 
  Urkedal, Frode f2299 NOR0.501-0.0515-0.75 

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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