Individual Calculations January 2018
 Algaithi, Tawfik A.  Total change: -1.20  Rating chartPersonal card
 Darna Open Tournament Darna LBA 2017-11-24
RcRownchangeKK*chgGame
 1712 1725 1.00 2 -0.03 40 -1.20 
  Almasalati, Abdelgawad 1722 LBA1.0010.504020.00 
  Azooz, Ahmed Tawfik 1702 LBA0.001-0.5340-21.20 

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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