Individual Calculations July 2011
 Gaafar, Mahmoud  Total change: -45.30  Rating chartPersonal card
 Egyptian League 2010/2011 Many Cities EGY 2010-09-25
RcRownchangeKK*chgGame
 2228 2188 5.50 19 -3.02 15 -45.30 
  Yousry, Salah 2345 EGY0.001-0.2915-4.35 
  Lotfy, Yusef 2050 EGY1.0010.31154.65 
  Ameir, Moheb c2168 EGY0.001-0.5315-7.95 
  Eldesoky, Hatem 2225 EGY0.001-0.4515-6.75 
  Sameeh, Hany f2237 EGY0.5010.07151.05 
  Atea, Khaled 2199 EGY0.001-0.4815-7.20 
  Mosallam, Nasser 2065 EGY0.501-0.1715-2.55 
  Beshara, Nadi 2199 EGY0.001-0.4815-7.20 
  Labib, Ibrahim Hasan m2410 EGY0.001-0.2215-3.30 
  Abdel Moniem, Mohamed 2156 EGY0.501-0.0415-0.60 
  Yousry, Salah 2345 EGY0.001-0.2915-4.35 
  Abo Zekry, Mohamed 2196 EGY0.5010.01150.15 
  Salah, Sayed 2217 EGY1.0010.54158.10 
  Sameeh, Hany f2237 EGY0.5010.07151.05 
  Rashed, Nabil 2139 EGY0.001-0.5715-8.55 
  Lotfy, Abdel Rahman 2162 EGY0.501-0.0415-0.60 
  Beshara, Nadi 2199 EGY0.5010.02150.30 
  Sadek, Sameh 2338 EGY0.001-0.3015-4.50 
  Ezat, Mohamed m2448 EGY0.001-0.1815-2.70 

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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