Individual Calculations April 2013
 Sadek, Sameh  Total change: 14.25  Rating chartPersonal card
 Zgaziq Open 2013 Zgazig EGY 2013-03-15
RcRownchangeKK*chgGame
 2155 2338 6.00 7 0.95 15 14.25 
  Ghareb, Ahmed 1938  * EGY1.0010.08151.20 
  Abdel Razik, Ahmed 2096 EGY1.0010.20153.00 
  Khalil, Badr 2059 EGY1.0010.16152.40 
  Gabr, Mohsen 2231 EGY1.0010.35155.25 
  Zayan, Osama 2224 EGY0.501-0.1615-2.40 
  Fadi, Marko 2177 EGY0.501-0.2115-3.15 
  Elgabry, Mohsen m2360 EGY1.0010.53157.95 
 * 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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