Individual Calculations July 2023
 Tahbaz, Arash  Total change: -1.50  Rating chartPersonal card
 Asian Zonal Chess Championship 2023 Zone 3.1 Men Tehran IRI 2023-05-23
RcRownchangeKK*chgGame
 2250 2461 7.00 9 0.38 10 3.80 
  Daneshpour, S.a. 2061  * IRI1.0010.08100.80 
  Alizadeh, Mohammad Mahdi 2029 IRI1.0010.07100.70 
  Momeni, E. 2166 IRI1.0010.15101.50 
  Zahmati, Sobhan c2123 IRI1.0010.12101.20 
  Darini, Pouria g2401 IRI0.501-0.0810-0.80 
  Daneshvar, Bardiya g2540 IRI0.5010.11101.10 
  Poormosavi, Seyed Kian m2413 IRI1.0010.43104.30 
  Nikookar, Mahdi 2184 IRI0.001-0.8310-8.30 
  Aziz, Husain m2332 QAT1.0010.33103.30 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 1st Barandesho Cup (A Category - Over 2000) Rasht IRI 2023-06-02
RcRownchangeKK*chgGame
 2113 2443 5.50 7 -0.53 10 -5.30 
  Zahedifar, Anahita wf2026 IRI1.0010.07100.70 
  Jahedi, Mani 2062 IRI1.0010.09100.90 
  Mahdian, Anousha wf2043  * IRI1.0010.08100.80 
  Khademi, Mahdi 2112 IRI1.0010.12101.20 
  Tahmasebi, Hamidreza 2226 IRI0.001-0.7810-7.80 
  Khoshkalam, Seyed Mehrab f2311 IRI0.501-0.1810-1.80 
  Ezzati, Fereidoon 2012 IRI1.0010.07100.70 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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