Individual Calculations July 2011
 Aly Ibrahim, Alaa  Total change: 42.45  Rating chartPersonal card
 Egyptian League 2010/2011 Many Cities EGY 2010-09-25
RcRownchangeKK*chgGame
 2142 2050 8.50 15 2.83 15 42.45 
  Abdel Fadil, Mohamed 2219 EGY0.001-0.2815-4.20 
  Aly, Mohamed 2062 EGY1.0010.52157.80 
  Amin, Ashraf 2267 EGY0.001-0.2215-3.30 
  Ismail, Youssef 2052 EGY0.001-0.5015-7.50 
  Fatehy, Tarek 2215 EGY1.0010.721510.80 
  Abdou, Mohamed Hamdy 2151 EGY0.001-0.3615-5.40 
  Raslan, Moustafa 2137 EGY1.0010.62159.30 
  Elsayed, Alaa Eldin 2049 EGY1.0010.50157.50 
  Salah, Ahmed 2125 EGY0.5010.10151.50 
  Abdel Elah, Ahmed 2179 EGY0.5010.17152.55 
  Hussein, Akram 2076 EGY1.0010.54158.10 
  Zayan, Osama 2229 EGY1.0010.731510.95 
  Ismail, Youssef 2052 EGY0.001-0.5015-7.50 
  Ezat, Abdallah 2223 EGY0.5010.23153.45 
  Abdel Geed, Fawzy 2095 EGY1.0010.56158.40 

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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