Individual Calculations September 2009
 Boyer, Jean-Francois  Total change: 2.40  Rating chartPersonal card
 Championnat International de Paris - A Paris FRA 2009-07-04
RcRownchangeKK*chgGame
 1934 1839 3.50 9 0.16 15 2.40 
  Tran, Philippe 2017 FRA0.001-0.2715-4.05 
  Meslage, Jean 1940 FRA0.001-0.3615-5.40 
  Rajic, Dragan 1924 FRA0.001-0.3815-5.70 
  Nguyen-Van, Stanislas 1955 FRA0.5010.16152.40 
  Lagaude, Stephane 1878 FRA0.001-0.4515-6.75 
  Mostefai, Malik 1890 FRA1.0010.57158.55 
  Barbelenet, Frederic 1922 FRA1.0010.61159.15 
  Gaulupeau, Pascal 1916 FRA0.001-0.3915-5.85 
  Aron-Samuel, Emmanuel 1965 FRA1.0010.671510.05 

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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