Individual Calculations July 2008
 Chahrani, I  Total change: 29.55  Rating chartPersonal card
 5th mediterranean chess championship Hammam Sousse TUN 2007-11-26
RcRownchangeKK*chgGame
 2319 2274 4.50 8 0.92 15 13.80 
  Atalik, Suat g2599 TUR0.001-0.1315-1.95 
  Ferhi, Djamel 2117 ALG0.501-0.2115-3.15 
  Jose Queralto, Daniel 2162 AND1.0010.35155.25 
  Atalik, Ekaterina mwg2404 TUR0.5010.18152.70 
  Amdouni, Zoubaier 2205 TUN1.0010.40156.00 
  Belouadah, Saad m2305 ALG1.0010.54158.10 
  Estremera Panos, Sergio m2400 ESP0.001-0.3315-4.95 
  Sedina, Elena mwg2358 ITA0.5010.12151.80 

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)
 
 17th Arab Men's Championship Taaz YEM 2007-12-25
RcRownchangeKK*chgGame
 2326 2274 4.50 8 1.05 15 15.75 
  Al Qudaimi, B f2428 YEM0.001-0.2915-4.35 
  Ezat, Mohamed m2440 EGY0.001-0.2815-4.20 
  Al Badant, A f2235 YEM1.0010.45156.75 
  Ayyad, Maher f2165 BRN1.0010.35155.25 
  Mohannad, F 2328 JOR0.001-0.4215-6.30 
  Hussein, H.a f2386 IRQ0.5010.15152.25 
  Elobeid, A c2125 SUD1.0010.30154.50 
  El Gindy, Essam m2503 EGY1.0010.791511.85 

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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