Individual Calculations April 2009
 Avram, Ion  Total change: -8.00  Rating chartPersonal card
 25e Open International d'Echecs GENEVA SUI 2008-12-26
RcRownchangeKK*chgGame
 1876 1587 0.00 2 -0.32 25 -8.00 
  Odermatt, Klaus 1887 SUI0.001-0.1525-3.75 
  Mollard, Pascal 1865 SUI0.001-0.1725-4.25 

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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