Individual Calculations October 2008
 Khaki, Shahin  Total change: 19.50  Rating chartPersonal card
 18th Tehran Chess Championship (Men) 2008 Tehran IRI 2008-07-06
RcRownchangeKK*chgGame
 2005 1655 1.00 2 0.78 25 19.50 
  Hejazi, Seyed Mehdi 2005 IRI1.0010.892522.25 
  Shafaee, H 2005 IRI0.001-0.1125-2.75 

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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