Individual Calculations September 2009
 Al Halilah, Osama  Total change: 0.00  Rating chartPersonal card
 Al Saleh 8th International Open Sanaa YEM 2009-07-01
RcRownchangeRpKK*chgGame
 2194 0 0.00 4 0.00 1494   0.00 
  Abdel Razik, Khaled m2462 EGY0.0010.00 0.00 
  Al-Halila, Ayman f2128 YEM0.0010.00 0.00 
  Alwahidi, Khaled 2062 YEM0.0010.00 0.00 
  Al-Subaihi, Khalil 2125 YEM0.0010.00 0.00 

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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