Individual Calculations October 2008
 Zangeneh, Babak  Total change: 23.75  Rating chartPersonal card
 2nd Iranian Chess Sport Olympiad (Boys Under 20) Bojnord IRI 2008-07-26
RcRownchangeKK*chgGame
 2166 2032 1.00 1 0.68 25 17.00 
  Avakh, Erfan 2166 IRI1.0010.682517.00 

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)
 
 2nd International Orumia Open Orumiya IRI 2008-08-26
RcRownchangeKK*chgGame
 2241 2032 0.50 1 0.27 25 6.75 
  Abedi, Ali 2241 IRI0.5010.27256.75 

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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