Individual Calculations September 2009
 Sirgado, Carlos Manuel Ferreira  Total change: -6.75  Rating chartPersonal card
 XX Taca de Lisboa Lisboa POR 2009-01-18
RcRownchangeKK*chgGame
 1955 1723 0.00 2 -0.45 15 -6.75 
  Castro, Rui Pedro 1837 POR0.001-0.3415-5.10 
  Andrade, Bruno 2073 POR0.001-0.1115-1.65 

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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