Individual Calculations September 2009
 Shaarawy, Ahmed  Total change: 34.25  Rating chartPersonal card
 Egy Open 1st Part Cairo EGY 2009-07-20
RcRownchangeKK*chgGame
 2169 2125 4.00 6 1.37 25 34.25 
  Abdel Rahman, Alla 2189 EGY1.0010.592514.75 
  Ragheb, Malak 2210 EGY0.001-0.3825-9.50 
  Aly Ibrahim, Alaa 2054 EGY1.0010.402510.00 
  Abdel Ghany, Adel 2187 EGY1.0010.592514.75 
  Abdel Fadil, Mohamed 2193 EGY0.5010.09252.25 
  Zayan, Osama 2183 EGY0.5010.08252.00 

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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