Individual Calculations April 2023
 Hematian Mahdizadeh, Salma  Total change: 71.60  Rating chartPersonal card
 Qazvin Chess Championship - 1401 Qazvin IRI 2023-03-07
RcRownchangeKK*chgGame
 1447 1160 3.00 7 1.79 40 71.60 
  Ghanbari, Mohammaderfan 1420 IRI1.0010.824032.80 
  Rasi, Davood 1458 IRI1.0010.854034.00 
  Shaabani, Amin 1607 IRI0.001-0.0640-2.40 
  Mohamadi, Niyousha 1516 IRI0.5010.394015.60 
  Khan Ahmadi, Mohammad Reza 1506 IRI0.001-0.1140-4.40 
  Ramezani, Hossein 1302 IRI0.5010.19407.60 
  Ghafary, Poria 1320 IRI0.001-0.2940-11.60 

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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