Individual Calculations March 2017
 Gumatti, Jumma  Total change: -5.20  Rating chartPersonal card
 Mohamed Altarhouni Open Tournament Benghazi LBA 2017-02-07
RcRownchangeKK*chgGame
 1788 1834 2.00 4 -0.26 20 -5.20 
  Sultan , Emad Faraj 1821 LBA1.0010.48209.60 
  Sultan, Ahmed Faraj 1786 LBA0.001-0.5720-11.40 
  Sultan , Iyman Faraj 1784 LBA1.0010.43208.60 
  Tarek, Shkabo 1760 LBA0.001-0.6020-12.00 

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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