Individual Calculations December 2013
 Al Sori, Mohamed  Total change: 11.85  Rating chartPersonal card
 29th Libyan open championship(1st stage) Toubrok LBA 2013-09-11
RcRownchangeKK*chgGame
 2016 1852 2.00 4 0.79 15 11.85 
  Madi, Emad 2111 LBA0.001-0.1815-2.70 
  Hamed, Yamen 1740 LBA1.0010.35155.25 
  Abugenda, Nagi 2083 LBA1.0010.791511.85 
  Asabri, Hassan 2130 LBA0.001-0.1715-2.55 

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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