Rapid: Individual Calculations January 2015
 Prazeres, Joao Pires  Total change: -19.40  Rating chartPersonal card
 XVII Torneio Aberto da Freguesia de Benfica Lisboa POR 2014-12-09
RcRownchangeKK*chgGame
 1703 1551 1.00 6 -0.97 20 -19.40 
  Andrade, Jose M Vieira f1951  * POR0.001-0.0820-1.60 
  Roque, Armando Filipe 1854 POR0.001-0.1420-2.80 
  Elias, Ruben Joel Monteiro 1824 POR0.001-0.1720-3.40 
  Guerreiro, Jose Velho 1347 POR0.001-0.7620-15.20 
  Durao, Jose Ricardo Cunha 1520 POR1.0010.46209.20 
  Martins, Rodolfo Carlos Da Cruz 1721 POR0.001-0.2820-5.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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