Individual Calculations July 2008
 Tarira, Walter  Total change: -20.25  Rating chartPersonal card
 Campeonato Nacional de Veteranos 2007/2008 Figueira da Foz POR 2008-03-16
RcRownchangeKK*chgGame
 1736 1663 2.00 7 -0.83 15 -12.45 
  Vasques, Jose Mesquita 1879 POR0.001-0.2215-3.30 
  Quadros, Alberto Mendes 1749 POR1.0010.62159.30 
  Mendes, Alberto Correa 1858 POR0.001-0.2515-3.75 
  Vieira, Vitor 1748 POR0.001-0.3815-5.70 
  Pereira, Aurelio Da Conceicao 1670 POR0.5010.01150.15 
  Loureiro, Ernesto Oscar 1622 POR0.501-0.0615-0.90 
  Videira, Alfredo 1627 POR0.001-0.5515-8.25 

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)
 
 II Circuito Xadrez Vila Franca Xira - Grupo Xadrez Peġes de Alverca 2008 Alverca POR 2008-03-31
RcRownchangeKK*chgGame
 1703 1663 1.00 4 -0.87 15 -13.05 
  Martins, Abilio Morgado 1660 POR0.5010.00150.00 
  Santos, Ricardo 2013 POR0.001-0.1115-1.65 
  Loureiro, Ernesto Oscar 1622 POR0.501-0.0615-0.90 
  Santos, Norberto Fernandes 1515 POR0.001-0.7015-10.50 

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)
 
 II Circuito de Xadrez de Vila Franca - A A Vilafranquense Vila Franca de Xira POR 2008-05-14
RcRownchangeKK*chgGame
 1825 1679 1.00 2 0.35 15 5.25 
  Guimaraes, Claudio 1956 POR0.001-0.1715-2.55 
  Martins, Abilio Morgado 1694 POR1.0010.52157.80 

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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