Individual Calculations July 2008
 Chabeaud, Jean-Jacques  Total change: -2.25  Rating chartPersonal card
 Open de Niort Niort FRA 2008-04-12
RcRownchangeKK*chgGame
 2085 1838 0.50 3 -0.15 15 -2.25 
  Piankov, Evgenij m2188 UKR0.001-0.1115-1.65 
  Aurel, Luc f2165 FRA0.5010.37155.55 
  Sola, Flavien 1903 FRA0.001-0.4115-6.15 

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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