Individual Calculations July 2017
 Ahmed, Jaza Jamal  Total change: 111.20  Rating chartPersonal card
 7th Khanzad Classis Chess tournament Erbil IRQ 2017-06-15
RcRownchangeKK*chgGame
 1890 1916 7.00 8 2.78 40 111.20 
  Pola, Azad Saber 1520 IRQ1.0010.08403.20 
  Mohammed Khaleel, Majeed 1749 IRQ1.0010.284011.20 
  Nazar, Jamil Khalid 1946 IRQ1.0010.544021.60 
  Al-Ali, Hussein Ali Hussein m2256 IRQ0.001-0.1240-4.80 
  Abdalhamed, Shahir Jasim 1749 IRQ1.0010.284011.20 
  Kardo Ako, Mohammad 2012 IRQ1.0010.634025.20 
  Jaafar, Newar 1927 IRQ1.0010.524020.80 
  Nabeel, Aziz Youkhana 1963 IRQ1.0010.574022.80 

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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