Individual Calculations September 2019
 Quesada Campos, Jordi Alessandre  Total change: -4.00  Rating chartPersonal card
 Campeonato Nacional Abierto 2019 San Jose CRC 2019-08-03
RcRownchangeKK*chgGame
 1812 2091 5.50 7 -0.20 20 -4.00 
  Mora Chavarria, Sebastian 1691  * CRC1.0010.08201.60 
  Alvarez Mora, Jorge Mario 1769 CRC0.501-0.3720-7.40 
  Morales Zumbado, Raul 1691  * CRC1.0010.08201.60 
  Carvajal Pena, Daniel 1904 CRC1.0010.26205.20 
  Morera Campos, Hazel Maria wm1911 CRC0.001-0.7420-14.80 
  Cartin Aguilar, Luis Javier 1692 CRC1.0010.08201.60 
  Vargas Serrano, Pablo Andres 2023 CRC1.0010.41208.20 
 * 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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