Individual Calculations December 2019
 Attoui, Abderrezak  Total change: -3.20  Rating chartPersonal card
 Algerian team Championship 2019 D1 Setif ALG 2019-11-01
 1937 1834 2.50 7 -0.08 40 -3.20 
  Hamdan, Abderahmane El Hadi 2055 ALG1.0010.784031.20 
  Atmani, Amine 1704 ALG1.0010.324012.80 
  Araoun, Saadi c2047 ALG0.001-0.2340-9.20 
  Saheb, Kamel 1994 ALG0.001-0.2940-11.60 
  Salhi, Zahir 1791 ALG0.001-0.5640-22.40 
  Boulrens, Ala Eddine 1976 ALG0.001-0.3140-12.40 
  Gourari, Moustafa 1995 ALG0.5010.21408.40 

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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