Individual Calculations May 2010
 Da Costa, Jose Romain Teixeira  Total change: -10.00  Rating chartPersonal card
 Aberto do Brasil Cidade de Salvador Salvador/BA BRA 2010-04-01
RcRownchangeKK*chgGame
 2125 1887 0.00 2 -0.40 25 -10.00 
  Farias, Sergio Roberto Alves 2113 BRA0.001-0.2125-5.25 
  Vilela, Humberto Franca 2136 BRA0.001-0.1925-4.75 

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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