Individual Calculations June 2015
 Khatibzadeh, Amir  Total change: 13.20  Rating chartPersonal card
 Islamic Azad University Chess Championship 2015 Tehran IRI 2015-05-10
RcRownchangeKK*chgGame
 1933 2229 2.00 2 0.33 40 13.20 
  Ahmadi Mehr, Amir Shahab 1829  * IRI1.0010.08403.20 
  Roozbeh, Abdolreza 2036 IRI1.0010.254010.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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