Individual Calculations May 2017
 Tahvili Raftar, Iman  Total change: -4.80  Rating chartPersonal card
 3th Qazvin Nowruz Cup 5 Farvardin 1396 Qazvin IRI 2017-03-25
RcRownchangeKK*chgGame
 1667 1480 1.50 6 -0.24 20 -4.80 
  Sokoti, Firooz 1880  * IRI0.001-0.0820-1.60 
  Soltan Ahmadi, Ali 1766 IRI0.001-0.1620-3.20 
  Rabiei Parsaei, Mehrdad 1760 IRI0.5010.34206.80 
  Momeni, Ahmadreza 1780 IRI0.001-0.1520-3.00 
  Nemati, Reza 1526 IRI0.001-0.4420-8.80 
  Rezaei, Amirhossein 1291 IRI1.0010.25205.00 
 * 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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