Individual Calculations January 2024
 Biriya, Mohammadamin  Total change: -6.80  Rating chartPersonal card
 20th Gilan Super League Round 4-6 Gilan IRI 2023-12-27
RcRownchangeKK*chgGame
 1859 2140 1.50 2 -0.17 40 -6.80 
  Pilevar, Hadi 1909 IRI0.501-0.2940-11.60 
  Mahboubi, Mahziar 1809 IRI1.0010.12404.80 

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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