Individual Calculations May 2011
 Al-Saffar, Araz Basim Mohammed  Total change: -24.15  Rating chartPersonal card
 23th IRAQI Clubs Championship 2011 BAGHDAD IRQ 2011-03-09
RcRownchangeKK*chgGame
 2080 2360 5.00 8 -1.61 15 -24.15 
  Adil, Hameed Mohammad 2044 IRQ0.501-0.3715-5.55 
  Ali, Ghassan f2152 IRQ1.0010.23153.45 
  Hasan, Abd Al Jabbar 1981 IRQ1.0010.09151.35 
  Amjad, M Alwan 1961 IRQ1.0010.08151.20 
  Ammar, Abdul Jabbar Aliwy 2163 IRQ0.001-0.7515-11.25 
  Mohammed, Arpak Worya c2230 IRQ0.501-0.1815-2.70 
  Ali, Ahmed 2084 IRQ0.501-0.3315-4.95 
  Noori, Salah 2021 IRQ0.501-0.3815-5.70 

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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