Individual Calculations January 2015
 Ahmad, Al Khatib  Total change: 39.80  Rating chartPersonal card
 2014 Arab Individual Chess Championship - Men Arab Fide Amman JOR 2014-12-07
RcRownchangeKK*chgGame
 2269 2120 5.00 9 1.99 20 39.80 
  Nezad, Husein Aziz m2395 QAT0.001-0.1720-3.40 
  Tagelsir , Abubaker f2028 SUD1.0010.37207.40 
  Mohannad, Farhan f2281 JOR0.001-0.2920-5.80 
  Al-Khattab, Ghassan M. Ali Ajmed f2124 IRQ1.0010.512010.20 
  Shobaita, Ahmed c2084 PLE1.0010.45209.00 
  Arab, Adlane m2441 ALG1.0010.872017.40 
  Salem, A.r. Saleh g2520  * UAE0.001-0.0820-1.60 
  Ezat, Mohamed m2479 EGY0.001-0.1020-2.00 
  Shamieh, Jamal 2069 LIB1.0010.43208.60 
 * 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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