Individual Calculations July 2011
 Yousef, Abed  Total change: -9.90  Rating chartPersonal card
 Al-Qaed Champioship 2011 Amman JOR 2011-04-21
RcRownchangeKK*chgGame
 2070 1933 0.00 2 -0.66 15 -9.90 
  Al-Safouri, Khalid 1956 JOR0.001-0.4715-7.05 
  Aboudi, Marwan 2184 JOR0.001-0.1915-2.85 

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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