Individual Calculations January 2017
 Valehi, Ali  Total change: -37.60  Rating chartPersonal card
 Iranian Men Chess Championship 1395 (Blind) Babolsar IRI 2016-12-05
RcRownchangeKK*chgGame
 1539 1532 1.00 4 -0.94 40 -37.60 
  Bagheri, Majid 1898 IRI0.001-0.1040-4.00 
  Naderian, Farhad 1659 IRI0.001-0.3340-13.20 
  Rahimi Mahneh, Reza 1132  * IRI1.0010.08403.20 
  Rabi, Amir 1466 IRI0.001-0.5940-23.60 
 * 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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