Individual Calculations September 2017
 Elganbehy, Mohamed  Total change: -12.80  Rating chartPersonal card
 Alexandria Open 2017 Alexandria EGY 2017-08-02
RcRownchangeKK*chgGame
 1925 1689 0.50 4 -0.32 40 -12.80 
  Elsayed, Gamal 1971 EGY0.001-0.1640-6.40 
  Hosny Ahmed, Mohamed 1889 EGY0.001-0.2440-9.60 
  Nabil, Wael 1896 EGY0.5010.274010.80 
  Moustafa, Islam 1943 EGY0.001-0.1940-7.60 

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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