Individual Calculations January 2014
 Ghaffarifar, Matin  Total change: -3.00  Rating chartPersonal card
 Aban Open 2013 Tehran IRI 2013-11-16
RcRownchangeKK*chgGame
 1752 1657 2.00 6 -0.20 15 -3.00 
  Fendereski, Nima 1942 IRI0.001-0.1615-2.40 
  Jalali, Hadi 1804 IRI0.001-0.3015-4.50 
  Yazdani Kachooei, Alireza 1257  * IRI1.0010.08151.20 
  Ghanbari, Mahdi 1748 IRI0.001-0.3815-5.70 
  Vahdat Doust, Ali 1898 IRI1.0010.801512.00 
  Mehrabi, Manouchehr 1860 IRI0.001-0.2415-3.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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