Individual Calculations October 2008
 Zayan, Osama  Total change: -35.85  Rating chartPersonal card
 Egyptian Cup 1st part Many Cities EGY 2008-06-01
RcRownchangeKK*chgGame
 2119 2205 0.50 1 -0.12 15 -1.80 
  Zenhom, Saleh 2119 EGY0.501-0.1215-1.80 

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 Cup 2nd part Many Cities EGY 2008-07-11
RcRownchangeKK*chgGame
 2133 2203 2.00 3 0.23 15 3.45 
  Hussein, Ismail 1989 EGY1.0010.23153.45 
  Tawfeik, Moustafa 2161 EGY1.0010.44156.60 
  Saber, Ibrahim 2248 EGY0.001-0.4415-6.60 

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)
 
 4th Assiut Open 2008 Assiut EGY 2008-07-19
RcRownchangeKK*chgGame
 2117 2203 0.00 3 -1.82 15 -27.30 
  Ameir, Moheb 2034 EGY0.001-0.7215-10.80 
  Naby, Saiid A. 2342 EGY0.001-0.3115-4.65 
  Elkady, Moustafa 1974 EGY0.001-0.7915-11.85 

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)
 
 Egypt Chess Championship 2008 ( Final) Cairo EGY 2008-07-30
RcRownchangeKK*chgGame
 2280 2203 2.50 8 -0.68 15 -10.20 
  Amin, Ashraf 2331 EGY1.0010.671510.05 
  Naby, Saiid A. 2342 EGY0.001-0.3115-4.65 
  El Ghazali, Youssef M. m2322 EGY0.001-0.3415-5.10 
  Elsayed, Moustafa 2242 EGY1.0010.55158.25 
  Elgabry, Mohsen m2316 EGY0.001-0.3515-5.25 
  Sadek, Sameh 2276 EGY0.001-0.4015-6.00 
  Salah, Sayed 2199 EGY0.001-0.5115-7.65 
  Abo Zekry, Mohamed 2211 EGY0.5010.01150.15 

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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