Individual Calculations March 2015
 Shiravi, Ali  Total change: -38.40  Rating chartPersonal card
 Attar Cup 2015 Mashhad IRI 2015-01-29
RcRownchangeKK*chgGame
 1678 1467 0.00 4 -0.96 40 -38.40 
  Toufani, Kourosh 1828 IRI0.001-0.1040-4.00 
  Khorasani Ghasab, Samin 1639 IRI0.001-0.2740-10.80 
  Naghavi, Atefeh 1609 IRI0.001-0.3140-12.40 
  Hatefi, Matin 1637 IRI0.001-0.2840-11.20 

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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