Individual Calculations August 2018
 Rostami, Rouzbeh  Total change: -9.20  Rating chartPersonal card
 Tehran Chess Championship 2018 Tehran IRI 2018-06-28
RcRownchangeKK*chgGame
 1888 2159 3.50 5 -0.46 20 -9.20 
  Sekhavatmandi, Roham 1759  * IRI1.0010.08201.60 
  Kasipour Azbari, Seyed Arvin 1776 IRI0.501-0.4120-8.20 
  Abdollahisaber, Reza 1759  * IRI1.0010.08201.60 
  Toufani, Kourosh 1934 IRI1.0010.22204.40 
  Hakemi, Arman f2210 IRI0.001-0.4320-8.60 
 * 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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