Individual Calculations August 2013
 Jafarian, Amin  Total change: 13.20  Rating chartPersonal card
 Khordad Open Chess Tournament 2013 Tehran IRI 2013-06-10
RcRownchangeKK*chgGame
 1938 1996 6.00 9 0.88 15 13.20 
  Nezamhashemi, Mohammad 1596  * IRI1.0010.08151.20 
  Rezvani, Mohammad 1765 IRI1.0010.21153.15 
  Khademi, Mohammad Miran 2298 IRI0.5010.35155.25 
  Razaghi, Behrooz 2172 IRI0.5010.23153.45 
  Ghanbari, Mahdi 1750 IRI0.501-0.3115-4.65 
  Jaferian, Koosha 1882 IRI1.0010.34155.10 
  Mozafar, Milad 1928 IRI1.0010.41156.15 
  Sedaghati, Mehrdad 2198 IRI0.001-0.2415-3.60 
  Aghaei, Shahram 1855 IRI0.501-0.1915-2.85 
 * 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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