Individual Calculations July 2023
 Biriya, Yadollah  Total change: -17.80  Rating chartPersonal card
 1st Barandesho Cup (C Category - Under 1600) Rasht IRI 2023-06-02
RcRownchangeKK*chgGame
 1171 1397 3.00 6 -1.66 20 -33.20 
  Rostami, Mohammad 1061 IRI1.0010.12202.40 
  Khajehaghverdi, Amirhosein 1166 IRI0.001-0.7920-15.80 
  Mohammadi, Seyed Mojtaba 1108 IRI1.0010.16203.20 
  Pir, Mehrdad 1193 IRI1.0010.24204.80 
  Razmjou, Elia 1304 IRI0.001-0.6320-12.60 
  Mohammadi, Arad 1191 IRI0.001-0.7620-15.20 

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)
 
 19th Gilan 2nd League Round 6-7 Rasht IRI 2023-06-10
RcRownchangeKK*chgGame
 1529 1397 1.50 2 0.77 20 15.40 
  Behboudi, Ali 1740 IRI0.5010.38207.60 
  Rajabzadeh, Arsam 1317 IRI1.0010.39207.80 

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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