Individual Calculations June 2018
 Alhdad, Ahmed O.  Total change: -4.80  Rating chartPersonal card
 Final 31st Libyan Open Championchip Albaida LBA 2018-04-30
RcRownchangeKK*chgGame
 1926 1816 2.00 6 -0.12 40 -4.80 
  Albosht, Aimen 1992 LBA0.001-0.2740-10.80 
  El-Mezwaghi, Hassan J. 2018 LBA1.0010.764030.40 
  Masoud, Saleh 1900 LBA0.001-0.3840-15.20 
  Alshara, Tarek 1867 LBA0.001-0.4340-17.20 
  Sharmado, Husain Abdalah 1940 LBA1.0010.674026.80 
  Manaa, Gamal 1841 LBA0.001-0.4740-18.80 

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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