Individual Calculations December 2019
 Zendehboodi, Fariba  Total change: 4.00  Rating chartPersonal card
 Mehr Arand Ligue 2019 Khuzestan IRI 2019-09-30
RcRownchangeKK*chgGame
 1665 1497 1.50 5 -0.10 20 -2.00 
  Ghoorchibeygi, Alireza 1769 IRI0.001-0.1720-3.40 
  Elahifar, Abdolah 1870 IRI0.001-0.1020-2.00 
  Naghavi, Atefeh 1471 IRI0.501-0.0420-0.80 
  Ahmadi, Fariborz 1344 IRI1.0010.30206.00 
  Mohammedian, Esmaeel 1872 IRI0.001-0.0920-1.80 

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)
 
 3rd Iran Cities Chess Championships-Blind 1398 Iran IRI 2019-11-08
RcRownchangeKK*chgGame
 1389 1467 1.50 2 0.30 20 6.00 
  Tahvili Raftar, Iman 1471 IRI0.5010.01200.20 
  Rahimzadeh, Maryam 1306 IRI1.0010.29205.80 

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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