Rapid: Individual Calculations July 2023
 Kachian, Amir  Total change: -10.00  Rating chartPersonal card
 Alborz Rapid Cup 10 Khordad (1402) Alborz IRI 2023-05-31
RcRownchangeKK*chgGame
 1645 1793 4.00 7 -0.50 20 -10.00 
  Babakhani, Arad 1393  * IRI1.0010.08201.60 
  Razaghi, Behrooz 2025 IRI0.001-0.2120-4.20 
  Kazemi, Ghazal 1345 IRI1.0010.06201.20 
  Chavari, Mohammad Mahdi 1998 IRI0.001-0.2420-4.80 
  Ahmadnia, Ahmad 1402 IRI1.0010.09201.80 
  Pooryavarsaeedi, Nima 1529 IRI1.0010.18203.60 
  Mehran, Hossein 1825 IRI0.001-0.4620-9.20 
 * 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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