Individual Calculations February 2019
 Behboudi, Ali  Total change: -4.80  Rating chartPersonal card
 Gilan First League Round 7-8 Gilan IRI 2019-01-28
RcRownchangeKK*chgGame
 1688 1774 1.00 2 -0.24 20 -4.80 
  Koochaki Delijani, Akbar 1709 IRI0.001-0.5920-11.80 
  Kheyrkhah, Bahram 1667 IRI1.0010.35207.00 

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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