Individual Calculations October 2022
 Mafakheri, Hiwa  Total change: -16.40  Rating chartPersonal card
 1st Taq_e Bostan Cup International Chess Festival Category B kermanshah IRI 2022-09-08
RcRownchangeKK*chgGame
 1473 1162 0.50 6 -0.41 40 -16.40 
  Dabiri, Kasra 1558 IRI0.001-0.0840-3.20 
  Amiri, Firooz 1629 IRI0.001-0.0540-2.00 
  Rabbani, Abtin 1484 IRI0.001-0.1340-5.20 
  Moradi Chaghamarani, Rasool 1412 IRI0.001-0.1940-7.60 
  Pouyandeh, Zhina 1377 IRI0.5010.274010.80 
  Malmir, Parsa 1375 IRI0.001-0.2340-9.20 

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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