Individual Calculations May 2023
 Ercoli Ercoli, Fernando  Total change: -1.80  Rating chartPersonal card
 Copa Ciudad de Pitrufquen 2023 Guillemo Correa Soto Pitrufquen Region de La Araucania CHI 2023-04-01
RcRownchangeKK*chgGame
 1775 1899 2.50 4 -0.09 20 -1.80 
  Carrasco Miranda, Andres c2281 CHI0.001-0.0920-1.80 
  Araneda Flores, Javier Armando 1499  * CHI1.0010.08201.60 
  Gonzalez Gonzalez, Valentina Anto 1588 CHI0.501-0.3620-7.20 
  Lagos Inostroza, Andres 1731 CHI1.0010.28205.60 
 * 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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