Individual Calculations April 2023
 Amirpour, Saman  Total change: -57.20  Rating chartPersonal card
 Tabriz milad mahdi chess tournament Tabriz IRI 2023-03-07
RcRownchangeKK*chgGame
 1460 1787 4.00 8 -2.86 20 -57.20 
  Motaajjeb, Arash 1387  * IRI1.0010.08201.60 
  Sarvin, Alireza 1444 IRI0.501-0.3820-7.60 
  Parvini Nezhad, Ilya 1440 IRI1.0010.11202.20 
  Farhadi, Fatemeh 1635 IRI0.001-0.7020-14.00 
  Rouhi, Arman 1264 IRI1.0010.03200.60 
  Irandoust, Sina 1606 IRI0.501-0.2420-4.80 
  Jabbarpour, Majid 1451 IRI0.001-0.8820-17.60 
  Assarzadeh, Nazanin Fatemeh 1450 IRI0.001-0.8820-17.60 
 * 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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