Individual Calculations January 2019
 Ibrahim-Mohamed, Akram  Total change: 0.80  Rating chartPersonal card
 Team 2019 - Pays-de-Loire Part 1 PDL FRA 2018-10-06
RcRownchangeKK*chgGame
 1754 1551 0.50 2 0.02 40 0.80 
  Michel, Christophe 1768 FRA0.5010.284011.20 
  Bourgois, Gael 1739 FRA0.001-0.2640-10.40 

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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