Individual Calculations April 2009
 Aly Ibrahim, Alaa  Total change: -31.25  Rating chartPersonal card
 1st Elsead Club Cairo EGY 2009-02-15
RcRownchangeKK*chgGame
 2035 2110 4.00 9 -1.25 25 -31.25 
  Sadek, Sameh 2302 EGY0.001-0.2525-6.25 
  Hassan, Waleid Ahmed 1775 EGY1.0010.12253.00 
  Saber, Ibrahim 2235 EGY0.001-0.3325-8.25 
  Salem, Zahed 2259 EGY0.001-0.3025-7.50 
  Abdel Hafeiz, Ayman 1975 EGY0.501-0.1825-4.50 
  Magdy, Ahmed 1760 EGY0.501-0.3925-9.75 
  Ehab, Mohamed 1886 EGY0.501-0.2825-7.00 
  Nader, Mohamed 2033 EGY0.501-0.1125-2.75 
  Adel, Hyssam 2089 EGY1.0010.472511.75 

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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