Individual Calculations September 2017
 Naby, Saiid A.  Total change: -6.60  Rating chartPersonal card
 Alexandria Open 2017 Alexandria EGY 2017-08-02
RcRownchangeKK*chgGame
 2092 2257 6.00 9 -0.33 20 -6.60 
  El Shenawy, Ashraf 2073 EGY1.0010.26205.20 
  Yaser, Kareim 2143 EGY1.0010.34206.80 
  Hesham, Abdelrahman g2386 EGY0.001-0.3320-6.60 
  Rashed, Nabil 2136 EGY1.0010.34206.80 
  Moreis, Amgad 2081 EGY1.0010.27205.40 
  Ahmed, Ahmed Alaa 2023 EGY0.001-0.7920-15.80 
  Wafa, Shahenda wm2106 EGY0.001-0.7020-14.00 
  Eldeeb, Adel 1891 EGY1.0010.10202.00 
  Shehata, Abdel Hady 1990 EGY1.0010.18203.60 

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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