Individual Calculations January 2009
 Kolyaie, Hasan  Total change: 25.65  Rating chartPersonal card
 Aria Chess School Round Robin Tournement Karaj IRI 2008-09-23
RcRownchangeKK*chgGame
 2027 2058 6.50 9 1.71 15 25.65 
  Sadeghi, S 2091 IRI0.001-0.4515-6.75 
  Asadollahi, Mohammadreza 1708 IRI1.0010.11151.65 
  Mohammadi, Arad 1899 IRI1.0010.29154.35 
  Eftekhari, Amir 2061 IRI0.001-0.5015-7.50 
  Sherafati, M 2074 IRI1.0010.52157.80 
  Ettehadi, H 2242 IRI1.0010.741511.10 
  Mahmoudi, Nad Ali 1941 IRI1.0010.34155.10 
  Kaberi, Javad 2142 IRI1.0010.62159.30 
  Cheraghi, Amin 2086 IRI0.5010.04150.60 

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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