Individual Calculations April 2019
 Alanazy, Mohammed  Total change: -12.80  Rating chartPersonal card
 Arab Chess Club Championship 2019 Open Hammamet TUN 2019-02-26
 1948 1909 1.00 3 -0.32 40 -12.80 
  Jemai, Akram 2239 TUN0.001-0.1240-4.80 
  Alrashidi, Yousef 1548 KUW1.0010.10404.00 
  Chiya, Mder Hamad 2056 IRQ0.001-0.3040-12.00 

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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