Individual Calculations September 2018
 Parsaee, Amir Reza  Total change: -38.80  Rating chartPersonal card
 Iran Boys Student elementary school Chess Championship 1397 Ramsar IRI 2018-08-22
RcRownchangeKK*chgGame
 1647 1757 3.50 7 -0.97 40 -38.80 
  Nosratizadeh, Reza 1418 IRI1.0010.12404.80 
  Ghanbaralifarzad, Mohammad Hosei 1760 IRI0.001-0.5040-20.00 
  Biriya, Mohammadamin 1590 IRI0.501-0.2240-8.80 
  Salimi, Kiarash 1701 IRI0.501-0.0840-3.20 
  Rahmatpisheh, Amir Hossein 1626 IRI0.501-0.1840-7.20 
  Heidarzadeh, Arsha 1706 IRI0.501-0.0740-2.80 
  Majidi, Seyed Mohammad Parsa 1726 IRI0.501-0.0440-1.60 

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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