Individual Calculations April 2023
 Ghiyasi, Alborz  Total change: -22.00  Rating chartPersonal card
 Standard toos cup 2023 Mashhad IRI 2023-03-19
RcRownchangeKK*chgGame
 1340 1460 3.50 7 -1.35 40 -54.00 
  Kashefi, Amir Hosein f2177 IRI0.001-0.0140-0.40 
  Sabilian, Mohammadkian 1092 IRI0.501-0.4040-16.00 
  Aghaei Chaghoush, Samira 1164 IRI0.001-0.8540-34.00 
  Darban Loghmi, Sajad 1147 IRI1.0010.14405.60 
  Hosseinpour, Ali 1230 IRI1.0010.21408.40 
  Golmeimi, Ermia 1370 IRI0.001-0.6240-24.80 
  Dorafshani, Amir Ali 1200 IRI1.0010.18407.20 

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)
 
 7th Khavaran Standard International (B Category :Rating Under 1800) Birjand IRI 2023-03-25
RcRownchangeKK*chgGame
 1490 1460 3.50 6 0.80 40 32.00 
  Dehghani, Alireza 1114 IRI1.0010.11404.40 
  Vatanparast, Mohammad 1060  * IRI1.0010.08403.20 
  Bayati, Kambiz 1644 IRI0.5010.24409.60 
  Akhoondzadeh, Mahdi 1785 IRI0.001-0.1340-5.20 
  Mastizadeh, Saeed 1775 IRI1.0010.864034.40 
  Hasanpor Moghadam, Iman 1564 IRI0.001-0.3640-14.40 
 * 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)
 

 

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