Rapid: Individual Calculations January 2015
 Ghaffarifar, Masoud  Total change: -9.80  Rating chartPersonal card
 Azar Cup Rapid (2014) Tehran IRI 2014-12-18
RcRownchangeKK*chgGame
 1617 1492 2.00 7 -0.49 20 -9.80 
  Ahmadzadeh Razavi, Seyed Shaahin 1892  * IRI0.001-0.0820-1.60 
  Ghobadi, Dariush 1729 IRI0.001-0.2020-4.00 
  Jahankhani, Hojatollah 1709 IRI0.001-0.2220-4.40 
  Heydarimoghaddam, Nima 1724 IRI0.001-0.2120-4.20 
  Tarzali, Abtin 1321 IRI1.0010.27205.40 
  Raei, Alireza 1629 IRI0.001-0.3220-6.40 
  Hasheminejad, Omid 1313 IRI1.0010.27205.40 
 * 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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