Individual Calculations September 2012
 Derakhshani, Dorsa  Total change: 5.55  Rating chartPersonal card
 Qods open chess tournament 2012 Tehran IRI 2012-08-12
RcRownchangeKK*chgGame
 1989 2010 4.00 7 0.37 15 5.55 
  Ghaffarian, Amir Hossein 1738 IRI1.0010.17152.55 
  Doostkam, P 2155 IRI0.001-0.3115-4.65 
  Zahedifar, Anahita 1758 IRI1.0010.19152.85 
  Dalir, Alireza 2112 IRI1.0010.64159.60 
  Khademi, Mohammad Miran 2284 IRI0.001-0.1715-2.55 
  Vahidi, Mohammad f2141 IRI0.001-0.3215-4.80 
  Falahatgar, Reza 1738 IRI1.0010.17152.55 

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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