Individual Calculations September 2009
 Castro, Fernando  Total change: -3.45  Rating chartPersonal card
 Taca de Portugal 2008-09 various POR 2008-12-20
RcRownchangeKK*chgGame
 1893 2092 1.00 1 0.24 15 3.60 
  Araujo, Luis Antonio 1893 POR1.0010.24153.60 

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)
 
 1ª Divisão por Equipas VN Gaia POR 2009-08-01
RcRownchangeKK*chgGame
 2124 2100 0.00 1 -0.47 15 -7.05 
  Barbosa, Fabio 2124 POR0.001-0.4715-7.05 

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)
 

 

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