Individual Calculations January 2017
 Rostami, Roohollah  Total change: 13.60  Rating chartPersonal card
 Hamedan League 2016 R6-9 Hamedan IRI 2016-12-02
RcRownchangeKK*chgGame
 1827 1902 3.00 4 0.68 20 13.60 
  Ali Babaei, Sasan 2143 IRI1.0010.802016.00 
  Valadi, Mohammadreza 1898 IRI0.001-0.5120-10.20 
  Javadi, Jalal 1751 IRI1.0010.30206.00 
  Dastanboo, Mohammad Hasan 1514 IRI1.0010.09201.80 

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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