Individual Calculations June 2018
 Abokrais, Kaled  Total change: -41.20  Rating chartPersonal card
 Final 31st Libyan Open Championchip Albaida LBA 2018-04-30
RcRownchangeKK*chgGame
 1791 1903 2.50 7 -2.06 20 -41.20 
  Omer, Ali 1766 LBA0.001-0.6820-13.60 
  Buhasan, Aiaad Jumha 1724 LBA0.001-0.7320-14.60 
  Albosaifi, Malek A. 1793 LBA1.0010.35207.00 
  Alarbi, Abdulhalim 1826 LBA0.001-0.6120-12.20 
  Alshalwi, Fouzi Ali 1805 LBA1.0010.37207.40 
  Gahfer, Khaled 1787 LBA0.501-0.1620-3.20 
  Algadari, Mahmod 1834 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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