Individual Calculations April 2008
 Hajaj, Akram  Total change: -19.05  Rating chartPersonal card
 2nd Alwafa open tournament 2007 Amman JOR 2007-12-06
RcRownchangeKK*chgGame
 2014 1957 0.00 3 -1.27 15 -19.05 
  Samhouri, Bilal 2068 JOR0.001-0.3515-5.25 
  Saad, Baha 2010 JOR0.001-0.4315-6.45 
  Al-Safouri, Khalid 1965 JOR0.001-0.4915-7.35 

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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