Individual Calculations December 2016
 Ahmed, Val Ahmedou  Total change: -13.20  Rating chartPersonal card
 Open November 2016 Nouakchott MTN 2016-11-12
RcRownchangeKK*chgGame
 1642 1784 3.00 5 -0.33 40 -13.20 
  Abdallahi, Med Mahmoud 1623 MTN0.001-0.7140-28.40 
  Mohamed, Salem Ahmed 1745 MTN1.0010.454018.00 
  Mohamed, Vall Sidi Mohamed Herma 1384  * MTN1.0010.08403.20 
  Yahi, Mohamed Salem c1823 MTN1.0010.554022.00 
  Abdellahi, Abou Bekrin 1637 MTN0.001-0.7040-28.00 
 * 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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