Individual Calculations October 2017
 Khadem Erfani, Sobhan  Total change: 29.20  Rating chartPersonal card
 Iranian Boys Under 18 Championship 1396 Tabriz IRI 2017-09-06
RcRownchangeKK*chgGame
 1992 2127 6.50 9 0.73 40 29.20 
  Mahmood Zadeh, Arian 1727  * IRI1.0010.08403.20 
  Hashemi, Fardin 1727  * IRI1.0010.08403.20 
  Fazli, Akbar 1841 IRI1.0010.16406.40 
  Mahdavi, Hassan 2088 IRI0.001-0.5540-22.00 
  Tavoosi Rad, Ramtin 2070 IRI1.0010.424016.80 
  Khosravi Nejad, Amir Mohammad 1727  * IRI1.0010.08403.20 
  Kashefi, Amir Hosein 2103 IRI1.0010.474018.80 
  Omidi, Arya 2402 IRI0.001-0.1740-6.80 
  Molaei, Mohammadamin m2241 IRI0.5010.16406.40 
 * 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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