Individual Calculations February 2020
 Dahmani, Aya Maylina  Total change: -35.60  Rating chartPersonal card
 Algerian young championship ,semi final 2020 U12 w Tipaza ALG 2020-01-01
 1116 1089 0.50 3 -0.89 40 -35.60 
  Aouachria, Yara Mayar 1060 ALG0.501-0.0440-1.60 
  Nassr, Ryma wc1243 ALG0.001-0.2940-11.60 
  Mesmoudi, Nada Errayhane 1046 ALG0.001-0.5640-22.40 

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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