Individual Calculations April 2022
 Zibakerdar, Peiman  Total change: 21.20  Rating chartPersonal card
 Kermanshah Province Men's Chess Championship 1400 Kermanshah IRI 2022-02-28
RcRownchangeKK*chgGame
 1666 1556 2.50 5 0.53 40 21.20 
  Zolfaghari, Mohammad Javad 1829 IRI0.001-0.1740-6.80 
  Moradi Sazi, Boroomand 1155 IRI1.0010.08403.20 
  Malekzadeh, Mohammad 1884 IRI0.5010.374014.80 
  Chavari, Mohammad Mahdi 2060 IRI0.001-0.0440-1.60 
  Dezhdar, Aria 1401 IRI1.0010.294011.60 

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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