Individual Calculations July 2016
 Biriya, Yadollah  Total change: 6.60  Rating chartPersonal card
 Gilan Chess Championship 2016 Gilan IRI 2016-06-07
RcRownchangeKK*chgGame
 1636 1445 2.00 6 0.33 20 6.60 
  Omidi, Arya 1845  * IRI0.001-0.0820-1.60 
  Masoumi, Sahel 1166 IRI1.0010.16203.20 
  Karami, Mohsen 1741 IRI0.001-0.1520-3.00 
  Razpour, Arad 1637 IRI1.0010.752015.00 
  Safari, Parham 1775 IRI0.001-0.1220-2.40 
  Navid, Sepehr 1654 IRI0.001-0.2320-4.60 
 * 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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