Individual Calculations September 2009
 Imam, Ashraf  Total change: -4.20  Rating chartPersonal card
 Egy Open 1st Part Cairo EGY 2009-07-20
RcRownchangeKK*chgGame
 2113 2073 1.50 4 -0.28 15 -4.20 
  Abdel Samee, Mohamed 2235 EGY1.0010.711510.65 
  Saber, Ibrahim 2218 EGY0.001-0.3115-4.65 
  Mansour, Salah 2146 EGY0.001-0.4015-6.00 
  Refaat, Ibrahim 1853 EGY0.501-0.2815-4.20 

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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