Individual Calculations April 2009
 Marbot, Raymond  Total change: 6.30  Rating chartPersonal card
 3e open international de Fort-de-France Fort de France FRA 2008-12-26
RcRownchangeKK*chgGame
 1937 1952 2.50 4 0.42 15 6.30 
  Cepisul, Desire 1787 FRA1.0010.28154.20 
  Montabord, Manuel 2179 FRA0.001-0.2115-3.15 
  Suez-Panama, Gilles 2032 FRA0.5010.11151.65 
  Diamant-Berger, Ludovic 1749 FRA1.0010.24153.60 

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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