Individual Calculations September 2009
 Yahya, Ahmed  Total change: 0.00  Rating chartPersonal card
 Al Saleh 8th International Open Sanaa YEM 2009-07-01
RcRownchangeRpKK*chgGame
 2040 0 3.50 8 0.00 1997   0.00 
  Abdel Rabb, Raouf 1988 YEM0.0010.00 0.00 
  Moheby, Mohamed 2049 YEM0.5010.00 0.00 
  Mojahid, M.s. 2072 YEM1.0010.00 0.00 
  Al Mozaee, Ahmed 2080 YEM0.0010.00 0.00 
  Mohamed, Raydan 2139 YEM0.0010.00 0.00 
  Al-Zarouni, Kholoud Essa wf1837 UAE1.0010.00 0.00 
  Al Halila, Aliabdo 2097 YEM1.0010.00 0.00 
  Mothanna, Mohamed 2061 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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