Individual Calculations September 2019
 Rastian, Alireza  Total change: -7.20  Rating chartPersonal card
 9th Qazvin Cup - B Group (U-1800) Qazvin IRI 2019-07-27
RcRownchangeKK*chgGame
 1637 1789 4.50 7 -0.36 20 -7.20 
  Esmaeili, Saeeid 1637 IRI1.0010.30206.00 
  Shenavar, Bardia 1705 IRI0.501-0.1220-2.40 
  Nezamdoust, Amirmahdi 1512 IRI0.501-0.3320-6.60 
  Rezaei, Amir Reza 1591 IRI1.0010.24204.80 
  Navid, Sepehr 1755 IRI1.0010.45209.00 
  Biabani, Hadi 1509 IRI0.501-0.3420-6.80 
  Sohrabpour, Mohammad 1748 IRI0.001-0.5620-11.20 

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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