Individual Calculations August 2017
 Arab Ahmadi, Amir Ali  Total change: 19.20  Rating chartPersonal card
 Golestan Province Chess Championship 1396 Golestan IRI 2017-07-13
RcRownchangeKK*chgGame
 1490 1480 3.50 6 0.48 40 19.20 
  Abedi, Ali 1880  * IRI0.001-0.0840-3.20 
  Madadi, Mohammad 1184 IRI1.0010.15406.00 
  Mohammadi, Roham 1118 IRI0.501-0.4040-16.00 
  Maghsoudloo, Amir Ali 1880  * IRI0.001-0.0840-3.20 
  Torshizi, Javad 1332 IRI1.0010.304012.00 
  Okhli, Ahmad 1545 IRI1.0010.594023.60 
 * 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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