Individual Calculations July 2009
 Reed, John  Total change: 0.75  Rating chartPersonal card
 Open de Niort Niort FRA 2009-04-10
RcRownchangeKK*chgGame
 1909 1963 3.50 6 0.03 25 0.75 
  Lucas, Michel 1741 FRA1.0010.22255.50 
  Demuth, Adrien f2313 FRA0.001-0.1125-2.75 
  Gobbetto, Jean-Claude 1754 FRA1.0010.23255.75 
  Leriche, Luc 1837 FRA0.501-0.1725-4.25 
  Macon, Arthur 1732 FRA1.0010.21255.25 
  Petit, Eric-Thierry 2076 FRA0.001-0.3525-8.75 

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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