Individual Calculations October 2008
 Ghadiri, Ebrahim  Total change: 2.25  Rating chartPersonal card
 2nd International Orumia Open Orumiya IRI 2008-08-26
RcRownchangeKK*chgGame
 2229 2006 1.00 4 0.09 25 2.25 
  Ahmadinia, E 2298 IRI0.001-0.1525-3.75 
  Bayramov, Vugar 2316 AZE0.5010.36259.00 
  Atanejhad, Sahebali f2185 IRI0.5010.23255.75 
  Khorshidi, Mohammadreza 2117 IRI0.001-0.3525-8.75 

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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