Individual Calculations April 2013
 Lotfy, Abdel Rahman  Total change: 5.40  Rating chartPersonal card
 Zgaziq Open 2013 Zgazig EGY 2013-03-15
RcRownchangeKK*chgGame
 2109 2139 3.50 6 0.36 15 5.40 
  Hassan, Sayed Barakat m2353 EGY0.001-0.2315-3.45 
  Masoud, Mohamed Helmy 1846 EGY1.0010.15152.25 
  Abdelmenaem, Sohayla wf1739  * EGY1.0010.08151.20 
  Yousry, Salah f2308 EGY0.5010.22153.30 
  Ibrahim, Hatim m2391 EGY0.001-0.1915-2.85 
  Megahed, Wael 2016 EGY1.0010.33154.95 
 * 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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