Individual Calculations September 2010
 Perrier, Jean-Francois  Total change: 48.50  Rating chartPersonal card
 3e open international d'Ille-et-Vilaine Rennes FRA 2010-07-16
RcRownchangeKK*chgGame
 1867 1588 3.50 9 1.94 25 48.50 
  Pichard, Jean-Marc 1775 FRA1.0010.742518.50 
  Le Bail, Arielle 1887 FRA0.001-0.1525-3.75 
  Quellec, Yannick 1919 FRA0.001-0.1225-3.00 
  Arnaud, Jean-Paul 1763 FRA1.0010.732518.25 
  Maulana, Kahfi 1907 INA0.5010.37259.25 
  Grandi, Paul 1855 FRA1.0010.822520.50 
  Schmouchkovitch, Michel 1979 FRA0.001-0.0925-2.25 
  Castilla, Thomas 1916 FRA0.001-0.1325-3.25 
  Kohi, Camilla 1801 FRA0.001-0.2325-5.75 

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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