Individual Calculations September 2022
 Safarnezhad, Armin  Total change: 100.40  Rating chartPersonal card
 1401 Standard Cup Khorasan Razavi Mashhad IRI 2022-08-03
RcRownchangeKK*chgGame
 1618 1601 6.00 9 1.55 40 62.00 
  Khani, Nikoo 1201  * IRI1.0010.08403.20 
  Gholinezhad, Eilia 1253 IRI1.0010.11404.40 
  Moeinimajd, Sobhan 1361 IRI0.501-0.3040-12.00 
  Kazemian, Amir Hosein 1494 IRI1.0010.354014.00 
  Binaei Tavallaei, Mahdi 2032 IRI1.0010.934037.20 
  Vassalam, Mohammad Taghi 1983 IRI0.5010.414016.40 
  Zare, Jamal 1950 IRI0.001-0.1140-4.40 
  Eskandari, Amirali 1905 IRI0.001-0.1440-5.60 
  Golmeimi, Ermia 1379 IRI1.0010.22408.80 
 * 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)
 
 5th Iranian Amateures Chess Championship 2022 Zanjan IRI 2022-08-21
RcRownchangeKK*chgGame
 1713 1601 3.50 7 0.96 40 38.40 
  Nosratpour, Ariz 1804 IRI1.0010.764030.40 
  Khodabandeh, Milad 1922 IRI0.001-0.1340-5.20 
  Khoshkalam, Seyed Mahan 1847 IRI0.5010.314012.40 
  Mastizadeh, Saeed 1825 IRI0.5010.284011.20 
  Honarparast, Mohammad 1781 IRI0.5010.24409.60 
  Vesali Khah, Parsa 1390 IRI1.0010.23409.20 
  Roshani, Soroush 1424 IRI0.001-0.7340-29.20 

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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