Individual Calculations August 2023
 Miranda, Marina Lima  Total change: 9.00  Rating chartPersonal card
 XVIII CAMPEONATO SUDAMERICANO DE AJEDREZ SUB 20 FEMENINO 2023 Antofagasta CHI 2023-07-10
RcRownchangeKK*chgGame
 1718 1680 4.00 8 0.45 20 9.00 
  Feller, Gabriela Luisa Vicente 1902 BRA0.001-0.2220-4.40 
  Barros Jardi Arce, Sarai 1280  * BOL0.501-0.4220-8.40 
  Araos Diaz, Constanza Paz 1488 CHI1.0010.25205.00 
  Rozas Lazcano, Valeska 1640 CHI1.0010.44208.80 
  Oviedo Acosta, Paula wc1932 PAR1.0010.812016.20 
  Bravo Mallco, Kate Azumi wm1894 PER0.001-0.2320-4.60 
  Felix, Luiza De Oliveira 1701 BRA0.5010.03200.60 
  Hernandez Bermudez, Manuela wf1909 COL0.001-0.2120-4.20 
 * 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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