Individual Calculations April 2009
 Le Bouil, Jean-Louis  Total change: 3.00  Rating chartPersonal card
 Corporatif - R5-6 IDF FRA 2009-01-16
RcRownchangeKK*chgGame
 1761 1933 1.50 2 0.12 25 3.00 
  Accouri, Pascal 1938 FRA0.5010.01250.25 
  Gandolfo, Georges 1583 FRA1.0010.11252.75 

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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