Individual Calculations November 2009
 Oriqat, Ahmed  Total change: -9.75  Rating chartPersonal card
 17th Prince Mohammed International Tour. Open 2009 -C Zarqa JOR 2009-10-06
RcRownchangeKK*chgGame
 1931 1866 1.00 4 -0.65 15 -9.75 
  Anas, Husein 1645 JOR1.0010.22153.30 
  Saif, Abu-Hazeem 2039 JOR0.001-0.2715-4.05 
  Algildah, Khalid f2027 SYR0.001-0.2915-4.35 
  Sheikhzaid, Hakam 2011 JOR0.001-0.3115-4.65 

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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