Individual Calculations September 2022
 Barzegar, Saeb  Total change: 12.40  Rating chartPersonal card
 5th Iranian Amateures Chess Championship 2022 Zanjan IRI 2022-08-21
RcRownchangeKK*chgGame
 1767 1968 6.50 8 0.62 20 12.40 
  Talebian Zadeh, Ilia 1591 IRI1.0010.09201.80 
  Delavari, Behnood 1743 IRI0.001-0.7820-15.60 
  Rahbar, Aihan 1568  * IRI1.0010.08201.60 
  Farokhfar, S Ahmad 1672 IRI1.0010.15203.00 
  Nosratpour, Ariz 1804 IRI1.0010.28205.60 
  Vahdatian, Davood 1999 IRI1.0010.542010.80 
  Shahali, Milad 1930 IRI1.0010.45209.00 
  Ravandi, Rouzbeh 1825 IRI0.501-0.1920-3.80 
 * 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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