Individual Calculations September 2019
 Oliveira, Debora Goncalves  Total change: 19.60  Rating chartPersonal card
 IRT STD ECP Etapa Jarbas Karman 2019 Sao Paulo SP BRA 2019-08-16
 1668 1338 1.50 4 0.98 20 19.60 
  Shimizu, Erik Kazuo 1711 BRA0.5010.40208.00 
  Maraz, Ricardo 1556 BRA1.0010.782015.60 
  Seccafim, Caic Dos Santos 1738  * BRA0.001-0.0820-1.60 
  Davanso, Joao Pedro 1667 BRA0.001-0.1220-2.40 
 * 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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