Individual Calculations September 2009
 El, Kamel Adel Mahmoud  Total change: 14.55  Rating chartPersonal card
 2009 African Individual Chess Championship (gen) Tripoli LBA 2009-07-21
 2280 2239 5.00 9 0.97 15 14.55 
  El Gindy, Essam g2501 EGY0.001-0.1815-2.70 
  Al-Zayat, Ahmed 1969 LBA1.0010.17152.55 
  Njili, Kamel f2318 TUN0.5010.11151.65 
  Chahrani, Ibrahim f2280 LBA0.001-0.4415-6.60 
  Oatlhotze, Providence 2164 BOT0.501-0.1015-1.50 
  Humrana, Mostafa 2114 LBA1.0010.33154.95 
  Wageih, Kareim m2257 EGY1.0010.53157.95 
  Abdelnabbi, Imed m2452 EGY0.5010.27154.05 
  Abdel Razik, Khaled m2462 EGY0.5010.28154.20 

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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