Individual Calculations February 2017
 Ghorbani, Sina  Total change: -41.60  Rating chartPersonal card
 Alborz Standard Cup Bahman 1395 Karaj IRI 2017-01-20
RcRownchangeKK*chgGame
 1238 1440 2.00 4 -1.04 40 -41.60 
  Karami, Tina 1251 IRI0.501-0.2540-10.00 
  Khamseh, Amin 1263 IRI0.501-0.2340-9.20 
  Shokrian, Abolfazl 1240 IRI0.501-0.2640-10.40 
  Baytamari, Amir Hossein 1197 IRI0.501-0.3040-12.00 

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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