Individual Calculations October 2022
 Samadifar, Mahdi  Total change: 109.20  Rating chartPersonal card
 First Maragheh Sahand Cup ( standard ) Maraghe IRI 2022-09-19
RcRownchangeKK*chgGame
 1733 1620 5.50 8 2.73 40 109.20 
  Motaajjeb, Arash 1220  * IRI1.0010.08403.20 
  Fayyazi, A. R. 1985 IRI1.0010.904036.00 
  Elahi, Abdollah 2010 IRI0.001-0.0940-3.60 
  Amir Vardestian, Hossein 1923 IRI0.5010.364014.40 
  Moazzen, Amirali 1093 IRI1.0010.03401.20 
  Masoumi, Sahar 1881 IRI0.001-0.1840-7.20 
  Amirpour, Saman 1849 IRI1.0010.794031.60 
  Maleki, Amirabbas 1901 IRI1.0010.844033.60 
 * 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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