Individual Calculations August 2019
 Gueroui, Nacereddine  Total change: -5.20  Rating chartPersonal card
 Algerian Individual Chess Championship 2019 Selection Constantine ALG 2019-07-25
 1907 1954 2.00 4 -0.26 20 -5.20 
  Ameur Zaimeche, Mourad 1799 ALG0.001-0.7120-14.20 
  Attoui, Abderrezak 1880 ALG1.0010.40208.00 
  Araoun, Saadi c2042 ALG0.001-0.3820-7.60 
  Benelouezzane, Mourad 1906 ALG1.0010.43208.60 

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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