Individual Calculations November 2022
 Boutabza, Rabah  Total change: -17.20  Rating chartPersonal card
 National championship open 2022 Final stage Bejaia ALG 2022-10-18
RcRownchangeKK*chgGame
 1748 1476 1.00 7 -0.43 40 -17.20 
  Adjerit, Nourreddine 1976 ALG0.001-0.0440-1.60 
  Saim, Bachir 1912 ALG0.001-0.0640-2.40 
  Benkhoucha, Samy 1727 ALG0.001-0.1940-7.60 
  Messaoudi, Elhadi 1743 ALG0.001-0.1840-7.20 
  Hallal, Kamel 1387 ALG1.0010.384015.20 
  Saoudi, Mohamed Lamine 1735 ALG0.001-0.1840-7.20 
  Tairi, Akli 1758 ALG0.001-0.1640-6.40 

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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