Rapid: Individual Calculations April 2023
 Khalafi, Akbar  Total change: 26.20  Rating chartPersonal card
 5th soofyan rapid chess tournament ( 28 bahman 1401 ) Tabriz IRI 2023-02-28
RcRownchangeKK*chgGame
 1592 1397 3.50 8 1.31 20 26.20 
  Ojaghi, Mir M.ali 1488 IRI1.0010.622012.40 
  Shamshiri, Farzad 1606 IRI0.5010.27205.40 
  Azbaghi, Enayat 1787 IRI0.001-0.0920-1.80 
  Astani, Behnam 1448 IRI1.0010.572011.40 
  Siani, Ali 1782 IRI0.5010.41208.20 
  Zare, Saeed 1695 IRI0.001-0.1520-3.00 
  Fadakar, Reza 1551 IRI0.001-0.2920-5.80 
  Daryani, Mehdi 1375 IRI0.501-0.0320-0.60 

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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