Individual Calculations January 2023
 Waqaf, Ali.  Total change: 46.00  Rating chartPersonal card
 Arab Individual Chess Championship U20 Open Damascus SYR 2022-10-19
RcRownchangeKK*chgGame
 1941 1639 2.50 7 1.15 40 46.00 
  Farhat, Jawad 1761 LBN0.001-0.3340-13.20 
  Moazaz , Dhahir Habeeb f2094 IRQ0.001-0.0640-2.40 
  Kaloust, Giorgio 1990 LBN0.001-0.1140-4.40 
  Abed Elwahab, Masoud 1896 PLE0.5010.324012.80 
  Ahmed, Jaza Jamal m2160 IRQ0.001-0.0340-1.20 
  Rabeea, Sabah Nori f2109 IRQ1.0010.954038.00 
  Radwan, Mahmoud J 1575 PLE1.0010.414016.40 

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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