Individual Calculations November 2019
 Rosales Gonzalez, Jessica  Total change: -62.00  Rating chartPersonal card
 Campeonato Nacional por Equipos Sub18 Juvenil 2019 San Ramon y Naranjo CRC 2019-09-21
 1315 1306 0.50 4 -1.55 40 -62.00 
  Quesada Leon, Joshua 1706  * CRC0.001-0.0840-3.20 
  Sierra Berrocal, Auriel 1325 CRC0.001-0.4740-18.80 
  Arevalo Rojas, Andrea 1067 CRC0.501-0.3040-12.00 
  Alvarez Alvarez, Jonahel 1160 CRC0.001-0.7040-28.00 
 * 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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