Individual Calculations January 2020
 Sobhy, Raafat  Total change: 0.60  Rating chartPersonal card
 Alexandria Open 2019 (2000 or more) Alexandria EGY 2019-12-21
RcRownchangeKK*chgGame
 2055 2152 5.00 8 0.03 20 0.60 
  Mohammeds.s.ashour 1846 PLE1.0010.14202.80 
  Helmy, Amro 2062 EGY1.0010.38207.60 
  Moreis, Amgad 2171 EGY0.001-0.4720-9.40 
  Fekry, Remon 2088 EGY1.0010.41208.20 
  Atea, Khaled 2084 EGY0.501-0.0920-1.80 
  Naby, Saiid A. 2279 EGY0.001-0.3320-6.60 
  Darwish, Amro 2005 EGY0.501-0.2020-4.00 
  Alhassadi, Yousef A. 1902 LBA1.0010.19203.80 

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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