Individual Calculations October 2008
 Al-Halila, Ayman  Total change: 79.25  Rating chartPersonal card
 7th Al Saleh International Open Chess Championship 2008 Aden - Aden Hotel ( 5 Star ) YEM 2008-07-16
RcRownchangeKK*chgGame
 2280 2049 3.50 8 1.74 25 43.50 
  Hossain, Enamul m2399 BAN0.5010.39259.75 
  Mouawia, Ahmed c2202 SUD1.0010.702517.50 
  Mohamed, Nawfal 2311 IRQ1.0010.822520.50 
  Kiss, Pal m2395 HUN0.5010.39259.75 
  Al Badani, Abdu f2193 YEM0.5010.19254.75 
  Mansour, Sameer f2269 JOR0.001-0.2225-5.50 
  Al Harazy, Khalid 2184 YEM0.001-0.3225-8.00 
  Faraj, , Yahya f2284 YEM0.001-0.2125-5.25 

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)
 
 Arab Youth U18 Boys 2008 Abu Dhabi UAE 2008-08-12
RcRownchangeKK*chgGame
 2041 2049 5.00 7 1.43 25 35.75 
  Khouri, Ahmed Abbas f1965 UAE1.0010.38259.50 
  Ali, Akar 2025 IRQ0.501-0.0325-0.75 
  Khouri, Ibrahim Mohamed f2083 UAE1.0010.552513.75 
  Al-Sulaiti, Ghanem f2135 QAT1.0010.622515.50 
  Marwan, Abdulwahab f2078 UAE0.5010.04251.00 
  Zemouli, Issam 2055 ALG0.5010.01250.25 
  Omar, Noaman 1946 UAE0.501-0.1425-3.50 

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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