Individual Calculations August 2023
 Zihaghi, Amir Arsalan  Total change: 84.00  Rating chartPersonal card
 6th Iranian Amateures Chess Championship 2023 (Under 1700) Zanjan IRI 2023-06-27
RcRownchangeKK*chgGame
 1510 1589 7.50 9 2.10 40 84.00 
  Kazemi, Hosein 1369 IRI1.0010.22408.80 
  Asghari, Sadi 1440 IRI1.0010.304012.00 
  Taki, Nima 1397 IRI1.0010.254010.00 
  Norouzian Arayesh, Parsa 1336 IRI1.0010.19407.60 
  Norouzi Chenari, Parham 1679 IRI0.5010.12404.80 
  Ghaffari, Ahmad 1625 IRI1.0010.554022.00 
  Sherafat , Mahdi 1470 IRI1.0010.344013.60 
  Ahmadi, Seyedeh Malihe 1688 IRI0.001-0.3640-14.40 
  Shahbazi, Parsa 1583 IRI1.0010.494019.60 

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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