Individual Calculations September 2019
 Morales Zumbado, Raul  Total change: 36.60  Rating chartPersonal card
 Campeonato Nacional Abierto 2019 San Jose CRC 2019-08-03
 1419 1113 3.00 7 1.83 20 36.60 
  Marin Leon, Valeria wc1513  * CRC1.0010.922018.40 
  Nunez Okubo, Isao c1513  * CRC0.5010.42208.40 
  Quesada Campos, Jordi Alessandre c1513  * CRC0.001-0.0820-1.60 
  Mora Chavarria, Sebastian 1260 CRC0.5010.20204.00 
  Cardenas Vargas, Jean Carlo 1453 CRC0.001-0.1220-2.40 
  Araya Tropper, Ariel 1165 CRC1.0010.572011.40 
  Ramirez Marchena, Carlos Andres 1513  * CRC0.001-0.0820-1.60 
 * 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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