Individual Calculations July 2008
 Ayyad, Maher  Total change: -18.30  Rating chartPersonal card
 17th Arab Men's Championship Taaz YEM 2007-12-25
RcRownchangeKK*chgGame
 2292 2165 1.50 8 -1.22 15 -18.30 
  Hussein, H.a f2386 IRQ0.001-0.2215-3.30 
  Belouadah, S m2305 ALG1.0010.691510.35 
  Al Qudaimi, B f2428 YEM0.001-0.1815-2.70 
  Chahrani, I f2274 LBA0.001-0.3515-5.25 
  Maasarani, M 2143 LIB0.001-0.5315-7.95 
  Elobeid, A c2125 SUD0.501-0.0615-0.90 
  Al Badant, A f2235 YEM0.001-0.4015-6.00 
  Ezat, Mohamed m2440 EGY0.001-0.1715-2.55 

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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