Individual Calculations October 2021
 Ahmadi, Erfan  Total change: -41.20  Rating chartPersonal card
 Standard Cup Sacred Defense Week Khorasan Razavi 1400 Mashhad IRI 2021-09-22
RcRownchangeKK*chgGame
 1554 1765 5.50 9 -1.03 40 -41.20 
  Vesali Khah, Parsa 1365  * IRI1.0010.08403.20 
  Movahedi Aliabadi, Ali 1365  * IRI1.0010.08403.20 
  Amini, Mohammadreza 1377 IRI1.0010.09403.60 
  Eskandari, Amirali 1365  * IRI0.501-0.4240-16.80 
  Razavi, Seyyed Amirreza 1947 IRI0.5010.24409.60 
  Assarzadeh, Mahdi 1573 IRI1.0010.254010.00 
  Mohammadi, Reza 2052 IRI0.5010.344013.60 
  Honarparast, Mohammad 1523 IRI0.001-0.8040-32.00 
  Attar, Behrad 1415 IRI0.001-0.8940-35.60 
 * 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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