Individual Calculations September 2009
 Jordao Barbosa, Marcio  Total change: -22.50  Rating chartPersonal card
 IV Aberto Xadrez Potiguar Natal/RN BRA 2009-07-10
RcRownchangeKK*chgGame
 2045 1855 0.00 3 -0.90 25 -22.50 
  Silveira Filho, Neri Da Silva 2255  * BRA0.001-0.0825-2.00 
  Carvalho, Felipe Lobo C. 2141 BRA0.001-0.1625-4.00 
  Rocha, Vitor Firmo De Souza 1738 BRA0.001-0.6625-16.50 
 * 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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