Individual Calculations September 2022
 Akef, Erfan  Total change: -32.80  Rating chartPersonal card
 10th Qazvin Cup Group B (U 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1404 1247 1.00 6 -0.82 40 -32.80 
  Faramarzi, Ali 1505 IRI0.001-0.1840-7.20 
  Sarlak, Negar 1111 IRI0.501-0.1840-7.20 
  Asvar, Mohammad Matin 1442 IRI0.001-0.2540-10.00 
  Khan Ahmadi, Mohammad Reza 1468 IRI0.001-0.2240-8.80 
  Darvishi, Matin 1408 IRI0.001-0.2940-11.60 
  Rahimi Mahneh, Fatemeh 1489 IRI0.5010.304012.00 

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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