Individual Calculations May 2010
 Naby, Saiid A.  Total change: -22.20  Rating chartPersonal card
 Egyptian League 2009/2010 Section A Many Cities EGY 2010-01-01
RcRownchangeKK*chgGame
 2158 2281 2.00 5 -1.31 15 -19.65 
  Rashed, Nabil 2138 EGY1.0010.31154.65 
  Hesham, Abdelrahman f2098 EGY0.001-0.7415-11.10 
  Atea, Saad 2302 EGY0.5010.03150.45 
  Abdel Fatah, Reda 2149 EGY0.501-0.1815-2.70 
  Imam, Ashraf 2102 EGY0.001-0.7315-10.95 

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)
 
 Alexandrian Closed Tournament Alexandria EGY 2010-03-16
RcRownchangeKK*chgGame
 2117 2300 5.00 7 -0.17 15 -2.55 
  Elasal, Ahmed 2111 EGY0.501-0.2515-3.75 
  Mosallam, Nasser 2084 EGY1.0010.22153.30 
  Elamrawy, Mohamed 2105 EGY1.0010.25153.75 
  Atea, Khaled 2167 EGY0.501-0.1815-2.70 
  Abdou, Mohamed Hamdy 2127 EGY0.501-0.2315-3.45 
  Abdel Wahed, Tarek 2095 EGY1.0010.24153.60 
  Abdel Aziz, Ahmedd 2131 EGY0.501-0.2215-3.30 

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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