Individual Calculations October 2022
 Rostami, Rouzbeh  Total change: -59.60  Rating chartPersonal card
 1st Taq_e Bostan Cup International Chess Festival Category A kermanshah IRI 2022-09-08
RcRownchangeKK*chgGame
 1846 2086 2.50 7 -2.98 20 -59.60 
  Khalilollahi, Shahrooz 1824 IRI1.0010.18203.60 
  Ghanbaralifarzad, Mohammad Hosei 1814 IRI0.501-0.3320-6.60 
  Abedi, Ali 2146 IRI0.001-0.4220-8.40 
  Davari, Sara 1805 IRI1.0010.16203.20 
  Karimi, Setayesh 1844 IRI0.001-0.8020-16.00 
  Delavari, Behnood 1721 IRI0.001-0.9020-18.00 
  Ahmadi, Barad 1767 IRI0.001-0.8720-17.40 

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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