Rapid: Individual Calculations May 2023
 Ghaffari, Ahmad  Total change: -2.80  Rating chartPersonal card
 Tabriz Laleh Park Ramazan Cup ( Rapid ) Tabriz IRI 2023-04-13
RcRownchangeKK*chgGame
 1577 1690 5.50 9 -0.14 20 -2.80 
  Sorati, Ayla 1290  * IRI1.0010.08201.60 
  Naghsh Hossein Badr, Danial 1468 IRI0.001-0.7820-15.60 
  Ghazialtabatabaei, Mohammad Hosse 1313 IRI1.0010.09201.80 
  Goli, Karim 1516 IRI1.0010.27205.40 
  Irandoust, Sina 1554 IRI1.0010.32206.40 
  Adalatkhah, Mahdi 1863 IRI0.001-0.2720-5.40 
  Javadpoor, Mohammad Hossein 1603 IRI0.501-0.1220-2.40 
  Safari, Nima 1755 IRI1.0010.592011.80 
  Amirpour, Saman 1827 IRI0.001-0.3220-6.40 
 * 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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