Individual Calculations April 2015
 Ahmed, Qutayba Yunis  Total change: 14.80  Rating chartPersonal card
 23nd Fajr International Open Chess Tournament (2015) Orumiyeh IRI 2015-02-18
RcRownchangeKK*chgGame
 1950 1713 1.00 3 0.37 40 14.80 
  Nasrollahi, Habib 2011 IRI0.001-0.1540-6.00 
  Hosseini, Mahmoud 1852 IRI1.0010.694027.60 
  Hemmatjou, Arash 1987 IRI0.001-0.1740-6.80 

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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