Individual Calculations January 2020
 Taher, Ali  Total change: -6.40  Rating chartPersonal card
 First Grade Clubs Chess Championship-2019 Amman JOR 2019-12-12
 2002 2034 2.50 5 -0.32 20 -6.40 
  Samhouri, Khalid 1994 JOR0.001-0.5620-11.20 
  Alattar, Ghayda M. wf1891 JOR1.0010.31206.20 
  Kruppa, Yuri g2434  * UKR0.001-0.0820-1.60 
  Mahmoud, Nahed 1891 JOR1.0010.31206.20 
  Amr, Majdalawi c1798 JOR0.501-0.3020-6.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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