Individual Calculations September 2009
 Letonnelier, Jean-Pierre  Total change: -5.25  Rating chartPersonal card
 24e Open International d'Avoine Avoine FRA 2009-07-18
RcRownchangeKK*chgGame
 1887 1921 3.50 7 -0.35 15 -5.25 
  Egreteau, Eric 2059 FRA0.001-0.3115-4.65 
  Inkiov, Ventzislav g2321  * BUL0.001-0.0815-1.20 
  Peeters, Simonne 1781 BEL0.501-0.1915-2.85 
  Legrand, Claire 1601 FRA1.0010.13151.95 
  Baroudel, Jacques 1778 FRA1.0010.31154.65 
  Fouillet, Arnaud 1982 FRA0.001-0.4215-6.30 
  Piron, Jean-Marie 1687 BEL1.0010.21153.15 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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