Individual Calculations July 2010
 Al Halila, Aliabdo  Total change: -4.50  Rating chartPersonal card
 9th Al Saleh International Open Chess Championship 2010 Taaz YEM 2010-06-01
RcRownchangeKK*chgGame
 2042 2091 2.50 5 -0.30 15 -4.50 
  Faraj, Yahya f2245 YEM0.001-0.2915-4.35 
  Qassim, Ramzi Mohamed 1891 YEM1.0010.24153.60 
  Mohammed A A, -Kinani 2239 IRQ0.001-0.3015-4.50 
  Bukhalaf, Khalaf 1866 BRN0.501-0.2815-4.20 
  Al Jalal, Horab 1969 YEM1.0010.33154.95 

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)
 

 

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