Individual Calculations September 2009
 Obiamiwe, Paul  Total change: 0.75  Rating chartPersonal card
 2009 African Individual Chess Championship (gen) Tripoli LBA 2009-07-21
 2205 2043 2.50 8 0.05 15 0.75 
  Solomon, Kenny m2351 RSA0.001-0.1415-2.10 
  Solomons, Deon c2210 RSA0.5010.22153.30 
  Belkhodja, Slim g2443  * TUN0.001-0.0815-1.20 
  Nyazi, Nehad 2237 EGY0.001-0.2515-3.75 
  Al-Zayat, Ahmed 1969 LBA1.0010.40156.00 
  Gator, Mosab 2076 LBA0.001-0.4515-6.75 
  Salem, Ali Maoloud 2131 LBA1.0010.62159.30 
  Asabri, Hussien f2220 LBA0.001-0.2715-4.05 
 * 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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