Individual Calculations May 2013
 Mohammed, Arpak Worya  Total change: 33.15  Rating chartPersonal card
 25th IRAQI Clubs Championship 2013 Baghdad IRQ 2013-02-21
RcRownchangeKK*chgGame
 2180 2230 9.00 12 2.21 15 33.15 
  Mazin, Adham 2024 IRQ0.001-0.7615-11.40 
  Gagunashvili, Merab g2592 GEO0.5010.40156.00 
  Al-Sahlanee, Hayder A. Jaafar f2197 IRQ0.501-0.0515-0.75 
  Ali, Ahmed 2055 IRQ1.0010.27154.05 
  Mohammad, Ali Al-Khawaja f2247 IRQ1.0010.52157.80 
  Hamid, Amr 1920 IRQ1.0010.14152.10 
  Didar , Mohammed Zhaher Hassan c2236 IRQ1.0010.51157.65 
  Esam, Naama Lafta 1999 IRQ1.0010.21153.15 
  Harreth, Salim Wali 2150 IRQ1.0010.39155.85 
  Salih, Akar Ali Salih f2282 IRQ0.5010.07151.05 
  Hayder, Hassan Shyaa 2124 IRQ1.0010.36155.40 
  Ahmed, Ali Layth Ahmed f2339 IRQ0.5010.15152.25 

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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