Individual Calculations July 2017
 Rahmani, Iraj  Total change: 17.80  Rating chartPersonal card
 Gilan Chess Championship 2017 Rasht IRI 2017-06-18
RcRownchangeKK*chgGame
 1768 1549 2.50 7 0.89 20 17.80 
  Nadernia, Niki 1788 IRI1.0010.802016.00 
  Khadem Erfani, Sobhan 1949  * IRI0.001-0.0820-1.60 
  Edraki, Mazda 1732 IRI0.001-0.2620-5.20 
  Chahardoli, Amir 1706 IRI0.5010.21204.20 
  Paktinat, Zhina 1782 IRI0.5010.29205.80 
  Navid, Sepehr 1720 IRI0.5010.23204.60 
  Ghomi, Parnian wc1696 IRI0.001-0.3020-6.00 
 * 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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