Individual Calculations April 2023
 Ebrahimi, Nima  Total change: -21.60  Rating chartPersonal card
 Tabriz milad mahdi chess tournament Tabriz IRI 2023-03-07
RcRownchangeKK*chgGame
 1547 1953 6.00 8 -1.08 20 -21.60 
  Assarzadeh, Ahmad 1239 IRI1.0010.01200.20 
  Irandoust, Sina 1606 IRI0.001-0.8920-17.80 
  Naghizadeh Dalir, Mohammad Sadra 1239 IRI1.0010.01200.20 
  Rezaei, Babollah 1553  * IRI1.0010.08201.60 
  Riyazifar, Saeid 1646 IRI1.0010.14202.80 
  Adalatkhah, Mahdi 1777 IRI0.001-0.7320-14.60 
  Siani, Ali 1681 IRI1.0010.17203.40 
  Farhadi, Fatemeh 1635 IRI1.0010.13202.60 
 * 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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