Individual Calculations September 2022
 Eydivandi, Haman  Total change: 33.40  Rating chartPersonal card
 5th Iranian Amateures Chess Championship 2022 Zanjan IRI 2022-08-21
RcRownchangeKK*chgGame
 1628 1475 4.00 7 1.67 20 33.40 
  Mastizadeh, Saeed 1825 IRI0.001-0.1120-2.20 
  Validi, Rojan 1115 IRI1.0010.10202.00 
  Sadati, Seyedeh Fatemeh 1892 IRI1.0010.932018.60 
  Siani, Ali 1742 IRI1.0010.822016.40 
  Ansari, Soheil 1867 IRI0.001-0.0820-1.60 
  Beytmashall, Abdolghader 1711 IRI0.001-0.2020-4.00 
  Farahvashi, Zahra 1247 IRI1.0010.21204.20 

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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