Individual Calculations September 2018
 Rostami, Hossein  Total change: 47.20  Rating chartPersonal card
 8th Shahid Rajaei Cup - A Groupe 1397 Qazvin IRI 2018-08-02
RcRownchangeKK*chgGame
 1740 1662 4.00 8 0.67 40 26.80 
  Amir Vardestian, Hossein 2062  * IRI0.001-0.0840-3.20 
  Valaei Kebria, Abolfazl 1478 IRI1.0010.264010.40 
  Nikookar, Mahdi 2062  * IRI0.001-0.0840-3.20 
  Noori, Aydin 1360 IRI1.0010.15406.00 
  Izak Mohammadi, Arshia 1345 IRI1.0010.13405.20 
  Masoumi, Mohammad 1847 IRI0.5010.24409.60 
  Abbasi, Meisam 1946 IRI0.001-0.1640-6.40 
  Akhasteh, Abbas 1821 IRI0.5010.21408.40 
 * 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)
 
 Iran Boys Student Middle school Chess Championship 1397 Zanjan IRI 2018-08-07
RcRownchangeKK*chgGame
 1730 1662 3.00 6 0.51 40 20.40 
  Khatibi, Amir Reza 1885 IRI0.5010.284011.20 
  Beytmashall, Abdolghader 1590 IRI0.001-0.6040-24.00 
  Safari Aghdam, Amir 1725 IRI1.0010.594023.60 
  Alizadeh, Mohammad Mahdi 1513 IRI1.0010.304012.00 
  Hayati, Amirhosein 1755 IRI0.001-0.3740-14.80 
  Mehboodi, Shadmehr 1912 IRI0.5010.314012.40 

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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