Individual Calculations September 2022
 Bonabi, Hasti  Total change: -10.40  Rating chartPersonal card
 5th Iranian Amateures Chess Championship 2022 Zanjan IRI 2022-08-21
RcRownchangeKK*chgGame
 1576 1252 1.00 6 -0.26 40 -10.40 
  Ghazi, Hamed 1912 IRI0.001-0.0140-0.40 
  Abbasi, Meisam 1867 IRI0.001-0.0240-0.80 
  Talebian Zadeh, Ilia 1591 IRI0.001-0.1240-4.80 
  Fazlali, Soheil 1527 IRI0.001-0.1740-6.80 
  Noroozi, Danial 1038 IRI1.0010.23409.20 
  Ghorbani, Mohammad Mehdi 1523 IRI0.001-0.1740-6.80 

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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