Individual Calculations July 2010
 Zadsham, Shayan  Total change: 5.25  Rating chartPersonal card
 Tehran Men First League 2010 (1st Season) Tehran IRI 2009-11-05
RcRownchangeKK*chgGame
 1864 1847 0.00 1 -0.48 25 -12.00 
  Mahrinpour, Farbod 1864 IRI0.001-0.4825-12.00 

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)
 
 Tehran Men First League (second Season) Tehran IRI 2009-11-05
RcRownchangeKK*chgGame
 1989 1847 1.00 1 0.69 25 17.25 
  Bidari, Sepehr 1989 IRI1.0010.692517.25 

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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