Rapid: Individual Calculations July 2020
 Ahmed, Jaza Jamal  Total change: 46.00  Rating chartPersonal card
 17th Khanzad Rapid Chess Championship Open 2020. Erbil IRQ 2020-05-20
 1840 1934 7.50 9 2.30 20 46.00 
  Alan, Omiad Saber 1278 IRQ1.0010.01200.20 
  Mwafiq, Hassan Mohammed 1580 IRQ1.0010.11202.20 
  Al-Ali, Hussein Ali Hussein m2249 IRQ0.001-0.1420-2.80 
  Bestoon, Abdulkhaleq Assaf 1588 IRQ1.0010.11202.20 
  Omiad, Saber Abdullah 1683 IRQ1.0010.19203.80 
  Salih, Akar Ali Salih f2260 IRQ0.5010.37207.40 
  Bootan, Sherzad Qader 1837 IRQ1.0010.37207.40 
  Kardo Ako, Mohammad 1931 IRQ1.0010.502010.00 
  Didar , Mohammed Zhaher Hassan c2155 IRQ1.0010.782015.60 

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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