Individual Calculations July 2008
 Lotfy, Abdel Rahman  Total change: -4.80  Rating chartPersonal card
 4th Part of Egy League 2007/2008 Many Cities EGY 2008-03-07
RcRownchangeKK*chgGame
 2150 2171 1.00 2 -0.06 15 -0.90 
  Tawfeik, Moustafa 2160 EGY0.501-0.0215-0.30 
  Elzayady, Ahmed 2140 EGY0.501-0.0415-0.60 

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)
 
 5th Part of Egy League 2007/2008 Many Cites EGY 2008-04-01
RcRownchangeKK*chgGame
 2397 2182 0.50 2 0.05 15 0.75 
  Sarwat, Walaa m2390 EGY0.001-0.2315-3.45 
  Abdel Razik, Khaled f2404 EGY0.5010.28154.20 

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)
 
 Egyptian Championship 2008 Part 1 Cairo EGY 2008-04-19
RcRownchangeKK*chgGame
 2092 2182 5.00 8 0.03 15 0.45 
  Sayed, Hany 2043 EGY0.501-0.1915-2.85 
  Hassan, Wael 2067 EGY1.0010.34155.10 
  Abdel Razik, Ahmed 2110 EGY0.001-0.6015-9.00 
  Salid, Ibrahim 2078 EGY0.001-0.6415-9.60 
  Waheed, Mohamed 2003 EGY1.0010.27154.05 
  Hussein, Hany 2031 EGY1.0010.30154.50 
  Saber, Ibrahim 2269 EGY1.0010.62159.30 
  Fahmy, Osama 2132 EGY0.501-0.0715-1.05 

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)
 
 6th Part of Egy League 2007/2008 Many Cites EGY 2008-05-09
RcRownchangeKK*chgGame
 2300 2182 0.00 1 -0.34 15 -5.10 
  Abou El Zein, Eid Mahmoud m2300 EGY0.001-0.3415-5.10 

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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