Individual Calculations September 2010
 Gueroui, Nasreddine  Total change: 23.55  Rating chartPersonal card
 Algerian individual championship 2010 Bel Abbes ALG 2010-06-14
RcRownchangeKK*chgGame
 2248 2082 0.50 2 -0.07 15 -1.05 
  Belouadah, Saad m2304 ALG0.001-0.2215-3.30 
  Talbi, Boumedienne 2191 FRA0.5010.15152.25 

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)
 
 SELECTION NATIONALE SENIORS ALGER ALG 2010-06-26
RcRownchangeKK*chgGame
 2146 2082 4.50 7 1.64 15 24.60 
  Khelfallah, Badr-Eddine 2182 ALG0.5010.14152.10 
  Meddah, Noureddine 2235 ALG1.0010.701510.50 
  Bengherabi, Khalil f2217 ALG1.0010.681510.20 
  Oussedik, Mahfoud 2222 ALG0.001-0.3115-4.65 
  Goutali, Tarek c2248 ALG0.001-0.2815-4.20 
  Fellah, Mohamed Amine 1791 ALG1.0010.15152.25 
  Medjkouh, Said 2124 ALG1.0010.56158.40 

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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