Individual Calculations October 2013
 Ahmed, Ali Layth Ahmed  Total change: -4.20  Rating chartPersonal card
 Iraq Cup for Clubs 2013 Babylon IRQ 2013-08-28
RcRownchangeKK*chgGame
 2100 2299 4.00 6 -0.28 15 -4.20 
  Hamid, A. Sattar 1943 IRQ1.0010.11151.65 
  Didar , Mohammed Zhaher Hassan c2191 IRQ0.501-0.1515-2.25 
  Laith, Ehea 1899  * IRQ1.0010.08151.20 
  Noah, A .h. Al-Ali m2398 IRQ0.001-0.3615-5.40 
  Saeed, Abbas 1899  * IRQ1.0010.08151.20 
  Mohammed, Zozek Salah Mohammed c2272 IRQ0.501-0.0415-0.60 
 * 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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