Individual Calculations April 2023
 Choopani, Ali  Total change: -3.40  Rating chartPersonal card
 7th Khavaran Standard International (B Category :Rating Under 1800) Birjand IRI 2023-03-25
RcRownchangeKK*chgGame
 1377 1319 2.00 5 -0.17 20 -3.40 
  Asadi, Mehrsam 1517 IRI0.001-0.2420-4.80 
  Looni, Arshiya 1556 IRI0.001-0.2020-4.00 
  Moini, Hamid 1070 IRI1.0010.19203.80 
  Ahmadi, Seyedeh Malihe 1675 IRI0.001-0.1120-2.20 
  Khandan, Mahya 1067 IRI1.0010.19203.80 

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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