Individual Calculations April 2022
 Ali, Firas Qassim  Total change: -74.00  Rating chartPersonal card
 Arab Chess Individual Championship 2021 U16 Open baghdad IRQ 2022-03-09
RcRownchangeKK*chgGame
 1677 1886 4.00 8 -1.85 40 -74.00 
  Khaled, Waleed Abdullah 1619 YEM0.001-0.8240-32.80 
  Kassar, Bashar 1379 LBN1.0010.04401.60 
  Ajili, Rayen 1702 TUN0.001-0.7440-29.60 
  Pola, Azad Saber 1759 IRQ0.501-0.1740-6.80 
  Boulaares, Akram 1693 TUN1.0010.254010.00 
  Raji Sayel, Abu Azizah 1880 PLE0.001-0.5140-20.40 
  Ismail, Khalel Tariq 1486  * IRQ1.0010.08403.20 
  Zaid, Alaa Chaseb c1898 IRQ0.5010.02400.80 
 * 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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