Individual Calculations April 2009
 Hajaj, Akram  Total change: 6.60  Rating chartPersonal card
 3rd Wafaa International Tournament 2008 Amman JOR 2008-12-17
RcRownchangeKK*chgGame
 2130 1938 1.50 4 0.44 15 6.60 
  Nowaiser, Raied 2108 JOR0.5010.22153.30 
  Haddad, Riad 2027 JOR1.0010.62159.30 
  Mansour, Sameer f2285 JOR0.001-0.1115-1.65 
  Al Ashal, Mohamed 2098 JOR0.001-0.2915-4.35 

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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