Individual Calculations May 2019
 Mustafa, Kamal Jalaldeen Al-Barba  Total change: 0.00  Rating chartPersonal card
 13th Khanzad Classic Chess Championship(2019 ) Erbil IRQ 2019-04-18
RcRownchangeKK*chgGame
 1640 1577 2.50 6 0.00 40 0.00 
  Didar , Mohammed Zhaher Hassan c1977  * IRQ0.5010.424016.80 
  Mohammed Khaleel, Majeed 1729 IRQ0.001-0.3040-12.00 
  Omiad, Saber Abdullah 1704 IRQ0.001-0.3340-13.20 
  Yashar, Didar Mohammed 1177  * IRQ1.0010.08403.20 
  Ahmed, Farhad Ali 1569 IRQ0.501-0.0140-0.40 
  Salim, Mohammed Jasim 1681 IRQ0.5010.14405.60 
 * 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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