Individual Calculations November 2009
 Costa, Giovanni  Total change: -0.45  Rating chartPersonal card
 I IRT Tabuleiro Cultural Sao Paulo/SP BRA 2009-09-26
RcRownchangeKK*chgGame
 1928 1930 4.50 9 -0.03 15 -0.45 
  Aoyama, Edmundo 1945 BRA0.001-0.4815-7.20 
  Nunes, Allan Hurba 2023 BRA0.001-0.3715-5.55 
  Chang, Suzana wf2048 BRA1.0010.66159.90 
  Fermino, Ricardo Lisias 1798 BRA1.0010.32154.80 
  Nobre, Jose Adalberto Barbosa 1789 BRA1.0010.31154.65 
  De Oliveira, Francemir Barra 1830 BRA0.001-0.6415-9.60 
  Cirilo, Guilherme De Araujo 1821 BRA1.0010.35155.25 
  Rodrigues, Bruno Morado 1999 BRA0.5010.10151.50 
  Abdalla, Luiz Guilherme Aurelli 2096 BRA0.001-0.2815-4.20 

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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