Individual Calculations January 2012
 Doroodian, Mahyar  Total change: -2.40  Rating chartPersonal card
 1st Ghods Open Tournament Tehran IRI 2011-08-23
RcRownchangeKK*chgGame
 1964 1807 0.50 2 -0.08 30 -2.40 
  Behnam, Hamdolah 1970 IRI0.5010.22306.60 
  Nameei, Koushan 1958 IRI0.001-0.3030-9.00 

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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