Individual Calculations July 2009
 Iman, , H M Al-Rufaye  Total change: 3.60  Rating chartPersonal card
 21 Iraqi Clubs Champion 2009 Baghdad IRQ 2009-02-26
RcRownchangeKK*chgGame
 2044 2140 1.50 2 0.24 15 3.60 
  Hayder, Farhan Al- Hasnawi 2013 IRQ1.0010.33154.95 
  Ali, , Akar c2075 IRQ0.501-0.0915-1.35 

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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