Individual Calculations September 2009
 Ahmed, , Abdul Sattar Abdulwhhab  Total change: 4.35  Rating chartPersonal card
 Iraqi Chess Olympiad Championship 2009 BAGHDAD IRQ 2009-07-27
RcRownchangeKK*chgGame
 2230 2177 2.00 4 0.29 15 4.35 
  Zozek, , Salah Mohammed 2298 IRQ0.001-0.3415-5.10 
  Araz, , Basim Mohammed Salih m2315 IRQ0.5010.19152.85 
  Haleem, , H. A. Al-Jebawy 2083 IRQ1.0010.37155.55 
  Namir, , Mohammed Ismael 2224 IRQ0.5010.07151.05 

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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