Individual Calculations April 2009
 Botelho, Adelino Dos Santos  Total change: -15.30  Rating chartPersonal card
 V AEJ CHESS FIDE OPEN S Joao da Madeira POR 2008-10-04
RcRownchangeKK*chgGame
 1785 1677 0.00 3 -1.15 15 -17.25 
  Pereira, Antonio Pedro Dias Caram 2027 POR0.001-0.1115-1.65 
  Martins, David Pires Tavares 1775 POR0.001-0.3715-5.55 
  Ribau, Nidia Salvador 1553 POR0.001-0.6715-10.05 

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)
 
 Distrital do Porto - preliminar E Porto POR 2009-02-06
RcRownchangeKK*chgGame
 1728 1677 1.00 2 0.13 15 1.95 
  Castro, Carlos Monteiro 1627 POR1.0010.43156.45 
  Pinho, Helder 1829 POR0.001-0.3015-4.50 

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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