Individual Calculations September 2009
 Belkhodja, Slim  Total change: -13.10  Rating chartPersonal card
 2009 African Individual Chess Championship (gen) Tripoli LBA 2009-07-21
 2341 2467 4.50 9 -1.31 10 -13.10 
  Asabri, Hussien f2220 LBA0.501-0.3110-3.10 
  Rizouk, Aimen g2506 ALG0.001-0.4510-4.50 
  Obiamiwe, Paul 2067  * NGR1.0010.08100.80 
  Humrana, Mostafa 2114 LBA1.0010.11101.10 
  Kaabi, Mejdi m2313 TUN1.0010.29102.90 
  Abdelnabbi, Imed m2452 EGY1.0010.48104.80 
  Adly, Ahmed g2548 EGY0.001-0.3910-3.90 
  Sarwat, Walaa m2390 EGY0.001-0.6110-6.10 
  Ezat, Mohamed m2459 EGY0.001-0.5110-5.10 
 * 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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