Individual Calculations April 2022
 Najafi, Ali Alnaghi  Total change: -38.00  Rating chartPersonal card
 2nd zanjan fajr standard tournament 1400 Zanjan IRI 2022-02-28
RcRownchangeKK*chgGame
 1663 1399 0.00 4 -0.95 40 -38.00 
  Ahmadi, Erfan 1864 IRI0.001-0.0540-2.00 
  Vatankhah, Hamed 1530 IRI0.001-0.3240-12.80 
  Kouchaki, Amirreza 1380 IRI0.001-0.5340-21.20 
  Saeedi, Reza 1879 IRI0.001-0.0540-2.00 

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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