Individual Calculations July 2012
 Fathi, Naser  Total change: -2.85  Rating chartPersonal card
 Al-Qaed Championship 2012 Amman JOR 2012-05-23
RcRownchangeKK*chgGame
 1985 1872 0.50 2 -0.19 15 -2.85 
  Abdallah, A-Shbol 2013 JOR0.5010.19152.85 
  Abulaban, Amr 1956 JOR0.001-0.3815-5.70 

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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