Individual Calculations October 2008
 Haydari, Gholamreza  Total change: -3.30  Rating chartPersonal card
 Third Iranian Zone 7 Chess Festival 2008 Tabriz IRI 2008-08-02
RcRownchangeKK*chgGame
 2180 1832 0.00 2 -0.22 15 -3.30 
  Asgari, Morteza 2182 IRI0.001-0.1115-1.65 
  Tarazooyeadl, Mojtaba 2177 IRI0.001-0.1115-1.65 

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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