Individual Calculations May 2013
 Rostami, Hamid Reza  Total change: -17.40  Rating chartPersonal card
 Tehran Open (April 2013) Tehran IRI 2013-04-04
RcRownchangeKK*chgGame
 1561 1872 2.00 3 -0.58 30 -17.40 
  Torabi, Amir Mohammad 1558 IRI1.0010.14304.20 
  Honari, Shahin 1592 IRI0.001-0.8430-25.20 
  Refahi, Mohammad Reza 1534 IRI1.0010.12303.60 

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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