Individual Calculations June 2015
 Bayat, Mohammad Reza  Total change: 8.20  Rating chartPersonal card
 Islamic Azad University Chess Championship 2015 Tehran IRI 2015-05-10
RcRownchangeKK*chgGame
 1800 1866 1.00 1 0.41 20 8.20 
  Zinati, Mohammad 1800 IRI1.0010.41208.20 

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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