Individual Calculations January 2020
 Elshamy, Mohamed  Total change: -26.60  Rating chartPersonal card
 Alexandria Open 2019 (2000 or more) Alexandria EGY 2019-12-21
RcRownchangeKK*chgGame
 1856 1911 2.00 6 -1.33 20 -26.60 
  Moreis, Amgad 2171 EGY0.001-0.1820-3.60 
  Elganbehy, Mohamed 1617 EGY1.0010.15203.00 
  Helmy, Amro 2062 EGY0.001-0.3020-6.00 
  Helmy, Michael 1558 EGY1.0010.11202.20 
  Khtab, Kamal 1980 SUD0.001-0.4020-8.00 
  Mohi, Eldeen Abeldallah 1750 SUD0.001-0.7120-14.20 

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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