Individual Calculations April 2023
 Safarian, Javad  Total change: -22.00  Rating chartPersonal card
 Tabriz milad mahdi chess tournament Tabriz IRI 2023-03-07
RcRownchangeKK*chgGame
 1528 1921 6.00 8 -1.10 20 -22.00 
  Khalilzadeh, Ayshan 1521  * IRI1.0010.08201.60 
  Ghorbani, Zahra 1551 IRI0.001-0.9020-18.00 
  Assarzadeh, Ahmad 1239 IRI1.0010.01200.20 
  Zeynali, Ali 1519 IRI1.0010.08201.60 
  Ghaffari, Ahmad 1634 IRI1.0010.16203.20 
  Mastizadeh, Saeed 1775 IRI0.001-0.7020-14.00 
  Ghezelbash, Ali 1373 IRI1.0010.03200.60 
  Shamsi, Payar 1609 IRI1.0010.14202.80 
 * 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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