Individual Calculations December 2018
 Abdellahi, Abou Bekrin  Total change: -44.80  Rating chartPersonal card
 Tournoi de L'amitie' 2018 Nouakchott MTN 2018-11-17
RcRownchangeKK*chgGame
 1677 1714 1.00 4 -1.12 40 -44.80 
  Taleb Mohamed, Ahmed c1960 MTN0.001-0.1940-7.60 
  Maiga, Baba Moulaye Abdalla 1913 MLI0.001-0.2440-9.60 
  Med, Mahd Med Beiba 1470 MTN0.001-0.8040-32.00 
  Abdel, Mounime Mohamed Yahya 1364 MTN1.0010.11404.40 

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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