Individual Calculations September 2022
 Darabi, Bahar  Total change: -5.20  Rating chartPersonal card
 10th Qazvin Cup Group B (U 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1476 1204 1.00 6 -0.13 40 -5.20 
  Biriya, Yadollah 1429 IRI0.001-0.2240-8.80 
  Mokhtar Sasani, Foad 1491 IRI0.5010.344013.60 
  Ghazanfari, Vali 1426 IRI0.001-0.2240-8.80 
  Fatemi, Arsham 1426 IRI0.5010.284011.20 
  Yousefi, Arya 1703 IRI0.001-0.0440-1.60 
  Gharibi, Arsham 1383 IRI0.001-0.2740-10.80 

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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