Individual Calculations July 2008
 Dumas, Christian  Total change: 18.75  Rating chartPersonal card
 26e Open International de Metz Metz FRA 2008-04-19
RcRownchangeKK*chgGame
 1822 1650 2.50 6 0.75 25 18.75 
  Maruejols, Claude 2000 FRA0.001-0.1125-2.75 
  Vincent, Bernard 1854 FRA0.001-0.2425-6.00 
  Bruned, Vianney 1921 ESP0.001-0.1725-4.25 
  Toth, Charles 1810 FRA1.0010.712517.75 
  Thiebaux, Jean-Claude 1819 FRA0.5010.22255.50 
  Mahan, James Robert 1529 USA1.0010.34258.50 

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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