Individual Calculations September 2022
 Ahmadi, Arta  Total change: -8.40  Rating chartPersonal card
 10th Qazvin Cup - C Group (U - 14) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1307 1508 3.50 6 -0.91 40 -36.40 
  Hematian Mahdizadeh, Salma 1156 IRI1.0010.11404.40 
  Farahvashi, Zahra 1292 IRI1.0010.22408.80 
  Shabani, Mohammad 1234 IRI0.501-0.3340-13.20 
  Rezaeipour, Sina 1691 IRI0.001-0.2640-10.40 
  Nazem, Mehrad 1173 IRI1.0010.12404.80 
  Ebrahimi, Mahdi 1296 IRI0.001-0.7740-30.80 

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)
 
 Iran Boys Student School Championship-Shahr-e kord 2022 Shahre kord IRI 2022-08-14
RcRownchangeKK*chgGame
 1575 1526 3.00 5 0.70 40 28.00 
  Khanaki, Amir Hossein 1381 IRI1.0010.314012.40 
  Ghanbaralifarzad, Mohammad Hosei 1872 IRI0.001-0.1140-4.40 
  Asgari, Hosein 1401 IRI1.0010.334013.20 
  Dehghani, Mohammad 1393 IRI1.0010.324012.80 
  Khanjani, Rastin 1828 IRI0.001-0.1540-6.00 

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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