Individual Calculations October 2008
 De Oliveira Oba, Joao Paulo  Total change: -20.25  Rating chartPersonal card
 XIX Panam.Fest U14 Boys Carlos Paz, Cordoba ARG 2008-06-30
RcRownchangeKK*chgGame
 1890 1632 0.00 4 -0.81 25 -20.25 
  Salazar Farias, Luis German 1982 VEN0.001-0.1125-2.75 
  Piris Tillner, Eduardo 1909 PAR0.001-0.1725-4.25 
  Valencia, Andres Felipe 1982 COL0.001-0.1125-2.75 
  Onocko, Luciano 1688 ARG0.001-0.4225-10.50 

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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