Individual Calculations August 2018
 Didar , Mohammed Zhaher Hassan  Total change: 2.60  Rating chartPersonal card
 1st tournament (the late Kamal, Jalaluddin Mostafa) international Dohuk IRQ 2018-07-18
RcRownchangeKK*chgGame
 1899 2197 3.50 4 0.13 20 2.60 
  Mustafa, Kamal Jalaldeen Al-Barba 1797  * IRQ1.0010.08201.60 
  Hasan, Saber Abdullah Hasan 1885 IRQ1.0010.14202.80 
  Sadiq, Ali 2005 IRQ1.0010.25205.00 
  Nazar, Jamil Khalid 1909 IRQ0.501-0.3420-6.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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