Individual Calculations April 2023
 Samadi, Hadi  Total change: -34.40  Rating chartPersonal card
 Tabriz milad mahdi chess tournament Tabriz IRI 2023-03-07
RcRownchangeKK*chgGame
 1583 1957 3.50 6 -1.72 20 -34.40 
  Motaajjeb, Siavash 1263 IRI0.001-0.9920-19.80 
  Bonabi, Hasti 1557  * IRI1.0010.08201.60 
  Mousavi, Seyed Ali 1521 IRI1.0010.06201.20 
  Postbazan, Eslam 1622 IRI0.501-0.3820-7.60 
  Safari, Nima 1758 IRI1.0010.24204.80 
  Alaghehmand, Arshia 1778 IRI0.001-0.7320-14.60 
 * 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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