Individual Calculations July 2008
 Araujo, Luis  Total change: 2.25  Rating chartPersonal card
 Taça AXP 2008 Porto POR 2007-12-01
RcRownchangeKK*chgGame
 1710 1865 1.50 2 0.09 25 2.25 
  Pintor, Manuel 1734 POR1.0010.32258.00 
  Mendes, Roberto 1686 POR0.501-0.2325-5.75 

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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