Individual Calculations April 2015
 Gholami Orimi, Mahdi  Total change: -22.00  Rating chartPersonal card
 23nd Fajr International Open Chess Tournament (2015) Orumiyeh IRI 2015-02-18
RcRownchangeKK*chgGame
 2250 1925 2.50 6 1.72 40 68.80 
  Ghaziolsharif, Kaveh 2193 IRI1.0010.834033.20 
  Mirzoev, Azer g2325  * AZE0.001-0.0840-3.20 
  Soozankar, A.m. f2258 IRI1.0010.884035.20 
  Derakhshani, Dorsa wf2208 IRI0.5010.344013.60 
  Tarazooyeadl, Mojtaba 2210 IRI0.001-0.1640-6.40 
  Firouzja, Alireza 2305 IRI0.001-0.0940-3.60 
 * 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 U-14 Boys Championship 2015 Booshehr IRI 2015-03-02
RcRownchangeKK*chgGame
 1756 2001 4.00 8 -2.27 40 -90.80 
  Zakeri, Omid 1637 IRI1.0010.10404.00 
  Naderi, M.sadegh 1798 IRI0.501-0.2640-10.40 
  Kazerooni, Shahriar 1781 IRI0.501-0.2840-11.20 
  Ghesmati, Aryan 1792 IRI0.001-0.7740-30.80 
  Vaziri, Rasool 1601  * IRI1.0010.08403.20 
  Chinisaz, Aryan 1601  * IRI1.0010.08403.20 
  Ghaffarifar, Matin 1882 IRI0.001-0.6640-26.40 
  Najafi Khaniabadi, Kiarash 1958 IRI0.001-0.5640-22.40 
 * 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)
 

 

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