Individual Calculations January 2014
 Azizi Tafreshi, Ali Akbar  Total change: -11.55  Rating chartPersonal card
 Aban Open 2013 Tehran IRI 2013-11-16
RcRownchangeKK*chgGame
 1804 1698 1.00 5 -0.77 15 -11.55 
  Vahdatifar, Dara 1777 IRI0.001-0.3915-5.85 
  Fooladinejad, Iman 1837 IRI0.001-0.3115-4.65 
  Doroodian, Mahyar 1805 IRI1.0010.65159.75 
  Davoodi, Mehran 1749 IRI0.001-0.4315-6.45 
  Roshan Panah Azly, Ali 1853 IRI0.001-0.2915-4.35 

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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