Individual Calculations May 2013
 Al-Sahlanee, Hayder A. Jaafar  Total change: 3.45  Rating chartPersonal card
 25th IRAQI Clubs Championship 2013 Baghdad IRQ 2013-02-21
RcRownchangeKK*chgGame
 2176 2197 5.50 10 0.23 15 3.45 
  Ahmed, Ali Layth Ahmed f2339 IRQ0.001-0.3115-4.65 
  Ali, Gatee 2070 IRQ1.0010.33154.95 
  Mohammed, Arpak Worya c2230 IRQ0.5010.05150.75 
  Mohammed, Latif 1960 IRQ0.501-0.3015-4.50 
  Al-Khazaali, Ammar, A. Oleiwi 2174 IRQ1.0010.47157.05 
  Didar , Mohammed Zhaher Hassan c2236 IRQ0.001-0.4515-6.75 
  Majid, Abd Aziz 2096 IRQ1.0010.36155.40 
  Harreth, Salim Wali 2150 IRQ0.501-0.0715-1.05 
  Mohammed, Zozek Salah Mohammed c2249 IRQ0.5010.07151.05 
  Abaeji, Sinan Younus Abdulrazzaq c2257 IRQ0.5010.08151.20 

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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