Individual Calculations March 2010
 Cunha, Eduardo Arruda  Total change: 9.30  Rating chartPersonal card
 Magistral de Natal Mangaratiba/RJ BRA 2009-12-28
RcRownchangeKK*chgGame
 2191 2289 2.50 3 0.62 15 9.30 
  Vaz, Daniel Rodrigues 2075 POR1.0010.23153.45 
  Martins, Jose Feliz 2286 BRA0.5010.00150.00 
  Martins, Julio Perez 2212 ESP1.0010.39155.85 

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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