Individual Calculations January 2009
 Sherafati, M  Total change: -62.25  Rating chartPersonal card
 Aria Chess School Round Robin Tournement Karaj IRI 2008-09-23
RcRownchangeKK*chgGame
 2027 2074 2.50 9 -2.49 25 -62.25 
  Cheraghi, Amin 2086 IRI0.5010.02250.50 
  Ettehadi, H 2242 IRI0.001-0.2825-7.00 
  Mahmoudi, Nad Ali 1941 IRI0.501-0.1825-4.50 
  Kaberi, Javad 2142 IRI0.001-0.4125-10.25 
  Kolyaie, Hasan 2058 IRI0.001-0.5225-13.00 
  Sadeghi, S 2091 IRI0.001-0.4825-12.00 
  Asadollahi, Mohammadreza 1724 IRI0.501-0.3925-9.75 
  Mohammadi, Arad 1899 IRI0.501-0.2325-5.75 
  Eftekhari, Amir 2061 IRI0.501-0.0225-0.50 

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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