Rapid: Individual Calculations June 2023
 Jafari, Kiarash  Total change: 47.60  Rating chartPersonal card
 2nd Open Fooladshahr Chess Tournament Esfahan IRI 2023-05-11
RcRownchangeKK*chgGame
 1467 1223 2.00 4 1.19 40 47.60 
  Akbarzadeh, M.hasan 1508 IRI0.001-0.1640-6.40 
  Barati, Omid 1558 IRI0.001-0.1240-4.80 
  Ahmadi, Mahdin 1449 IRI1.0010.794031.60 
  Kiyani, Mohammad Reza 1354 IRI1.0010.684027.20 

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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