Individual Calculations January 2009
 Rogier, Jean-Louis  Total change: 14.00  Rating chartPersonal card
 Championnat de L'Indre Chateauroux FRA 2008-11-08
RcRownchangeKK*chgGame
 1912 1688 1.00 2 0.56 25 14.00 
  Accouri, Pascal 1955 FRA0.5010.32258.00 
  Bouquin, Arnaud 1868 FRA0.5010.24256.00 

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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