Rapid: Individual Calculations July 2023
 Vafaei Zarinabadi, Ilia  Total change: 38.40  Rating chartPersonal card
 the first Noushahr Open Rapid Chess Tournament(Rated) Mazandaran IRI 2023-06-02
RcRownchangeKK*chgGame
 1540 1105 1.00 3 0.65 40 26.00 
  Poormosavi, Seyed Kanan 1872 IRI0.5010.504020.00 
  Sadeghi, Arad 1344 IRI0.5010.304012.00 
  Azad, Mehdi 1405 IRI0.001-0.1540-6.00 

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)
 
 Competitions of brilliant talents of Babylon Chess Board Table A Mazandaran IRI 2023-06-19
RcRownchangeKK*chgGame
 1255 1105 2.00 5 0.31 40 12.40 
  Barzegaran, Mahan 1560 IRI0.001-0.0640-2.40 
  Pakdaman Shahri, Ilia 1358 IRI0.001-0.1940-7.60 
  Omidvari, Sepehr 1014 IRI0.501-0.1240-4.80 
  Koohi, Kian 1118 IRI0.5010.02400.80 
  Haeri, Alireza 1223 IRI1.0010.664026.40 

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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