Individual Calculations September 2022
 Kouchaki, Amirreza  Total change: -45.20  Rating chartPersonal card
 10th Qazvin Cup Group B (U 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1281 1474 4.50 8 -1.37 40 -54.80 
  Baniasad, Emad 1723 IRI0.001-0.1940-7.60 
  Azadi, Ali 1213 IRI1.0010.18407.20 
  Sharafi, Amirhossein 1167 IRI0.001-0.8640-34.40 
  Shahmohammadi, Dorsa 1273 IRI1.0010.24409.60 
  Karimi, Aref 1141 IRI1.0010.12404.80 
  Cheraghi, Alireza 1232 IRI0.001-0.8040-32.00 
  Raji Ghasemi, Mohammad Danial 1240 IRI0.501-0.2940-11.60 
  Firoozi, Farbod 1260 IRI1.0010.23409.20 

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)
 
 Gilan First League 18th Round 17-18 Gilan IRI 2022-08-27
RcRownchangeKK*chgGame
 1399 1502 1.50 2 0.24 40 9.60 
  Elhamiamiri, Sepehr 1281 IRI1.0010.22408.80 
  Vatandoust, Amir 1516 IRI0.5010.02400.80 

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)
 

 

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