Individual Calculations April 2009
 Antunes, Andre  Total change: 2.70  Rating chartPersonal card
 Distrital de Lisboa - preliminar do GXA - B Lisboa POR 2008-12-03
RcRownchangeKK*chgGame
 1735 1972 2.50 3 0.18 15 2.70 
  Fernandes, Jose Francisco Velhi 1630 POR1.0010.12151.80 
  Pascoal, Jose Sargento 1643 POR1.0010.12151.80 
  Maslov, Vadim Grigorievitch 1932 POR0.501-0.0615-0.90 

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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