Individual Calculations April 2023
 Assarzadeh, Ahmad  Total change: -8.80  Rating chartPersonal card
 Tabriz milad mahdi chess tournament Tabriz IRI 2023-03-07
RcRownchangeKK*chgGame
 1872 1239 0.00 4 -0.07 20 -1.40 
  Ebrahimi, Nima 1953 IRI0.001-0.0120-0.20 
  Safarian, Javad 1921 IRI0.001-0.0120-0.20 
  Safari, Nima 1758 IRI0.001-0.0320-0.60 
  Ahmadi, Ramin 1855 IRI0.001-0.0220-0.40 

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)
 
 7th Khavaran Standard International (B Category :Rating Under 1800) Birjand IRI 2023-03-25
RcRownchangeKK*chgGame
 1500 1239 0.00 2 -0.37 20 -7.40 
  Assarzadeh, Nazanin Fatemeh 1450 IRI0.001-0.2320-4.60 
  Nasiri, Maziar 1549 IRI0.001-0.1420-2.80 

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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