Individual Calculations October 2008
 Chahrani, Ibrahim  Total change: 9.00  Rating chartPersonal card
 10th Arab League 2008 Amman JOR 2008-06-21
RcRownchangeKK*chgGame
 2295 2275 2.50 4 0.60 15 9.00 
  Elgabry, Mohsen m2304 EGY1.0010.54158.10 
  Arbouche, Muhamed f2234 MAR1.0010.44156.60 
  Fouad, Mofleh f2201 YEM0.501-0.1015-1.50 
  Al Qudaimi, Basheer f2439 YEM0.001-0.2815-4.20 

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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