Individual Calculations September 2009
 Mohamad, , Jabbar  Total change: -1.35  Rating chartPersonal card
 Iraqi Chess Olympiad Championship 2009 BAGHDAD IRQ 2009-07-27
RcRownchangeKK*chgGame
 2077 2161 3.50 6 -0.09 15 -1.35 
  M . Moter, , Hazim 2076 IRQ1.0010.38155.70 
  Khaled, , Kh. Kh. Albu-Salih 2171 IRQ0.5010.01150.15 
  Baqir, , Abd Al Adil 1785 IRQ1.0010.09151.35 
  Firas, , Qassim 2018 IRQ0.501-0.1915-2.85 
  Ali, , Layth.ahmed f2308 IRQ0.001-0.3015-4.50 
  Ari, , Ahmad 2104 IRQ0.501-0.0815-1.20 

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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