Individual Calculations September 2022
 Yosefi, Mohammad Taher  Total change: 8.40  Rating chartPersonal card
 10th Qazvin Cup Group B (U 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1523 1225 1.00 5 0.21 40 8.40 
  Naderian, Farhad 1577 IRI1.0010.894035.60 
  Ghanbarpour, Mahan 1551 IRI0.001-0.1340-5.20 
  Memari, Erfan 1473 IRI0.001-0.1940-7.60 
  Taki, Nima 1390 IRI0.001-0.2840-11.20 
  Mohamadi, Niyousha 1626 IRI0.001-0.0840-3.20 

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)
 

 

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