Individual Calculations March 2013
 Mammeri, Md. Amine  Total change: -15.60  Rating chartPersonal card
 Team 2013 - Nationale 3 - R6-7 FRANCE FRA 2013-01-27
RcRownchangeKK*chgGame
 2097 2102 0.50 2 -0.52 30 -15.60 
  Sally, Paul-Adrien 2018 FRA0.001-0.6230-18.60 
  Jaulin, Philippe 2176 FRA0.5010.10303.00 

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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