Individual Calculations July 2011
 Ibrahim, Waleed  Total change: 1.35  Rating chartPersonal card
 Egyptian League 2010/2011 Many Cities EGY 2010-09-25
RcRownchangeKK*chgGame
 2227 2037 2.50 9 0.09 15 1.35 
  Raslan, Moustafa 2137 EGY0.001-0.3615-5.40 
  Kamel, Salama 2040 EGY0.001-0.5015-7.50 
  Atea, Saad 2299 EGY0.001-0.1815-2.70 
  Mokhtar, Ahmed 2282 EGY0.5010.30154.50 
  Salah, Ahmed As 2162 EGY0.001-0.3315-4.95 
  Abdou, Mohamed Hamdy 2151 EGY0.5010.16152.40 
  Atea, Saad 2299 EGY0.5010.32154.80 
  Ezat, Mohamed m2437  * EGY0.001-0.0815-1.20 
  Eldardery, Alaa 2236 EGY1.0010.761511.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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