Individual Calculations January 2023
 Ahmed, Jaza Jamal  Total change: -40.20  Rating chartPersonal card
 Arab Individual Chess Championship U20 Open Damascus SYR 2022-10-19
RcRownchangeKK*chgGame
 1893 2160 3.50 7 -2.01 20 -40.20 
  Moazaz , Dhahir Habeeb f2094 IRQ0.001-0.5920-11.80 
  Kaloust, Giorgio 1990 LBN0.501-0.2220-4.40 
  Abed Elwahab, Masoud 1896 PLE0.501-0.3220-6.40 
  Radwan, Mahmoud J 1760  * PLE1.0010.08201.60 
  Rabeea, Sabah Nori f2109 IRQ0.501-0.0720-1.40 
  Waqaf, Ali. 1639 SYR1.0010.03200.60 
  Farhat, Jawad 1761 LBN0.001-0.9220-18.40 
 * 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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