Individual Calculations December 2019
 Baltar, Petrov Ferreira  Total change: -21.20  Rating chartPersonal card
 Aberto do Brasil I Memorial Machado de Assis Joao Pessoa PB BRA 2019-11-15
 1788 1650 0.00 3 -1.06 20 -21.20 
  Urquiza, Marcello De Albuquerque 2050  * BRA0.001-0.0820-1.60 
  Da Silva Miguel, Lucas Ramonn 1799 BRA0.001-0.3020-6.00 
  De Oliveira, Victor Matheus Melo 1514 BRA0.001-0.6820-13.60 
 * 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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