Individual Calculations November 2019
 Rodriguez Retana, Sofia  Total change: -20.00  Rating chartPersonal card
 Campeonato Nacional por Equipos Sub14 Infantil 2019 San Ramon y Naranjo CRC 2019-09-21
 1222 1219 0.50 2 -0.50 40 -20.00 
  Solano Saltachin, Ruth 1308 CRC0.5010.12404.80 
  Cossio Carvajal, Bruno 1135 CRC0.001-0.6240-24.80 

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)


« go back

Share this page

   facebook    twitter    gplus
©  World Chess Federation    |  Contact us:   |  Developed and supported by Elista FIDE Office   |   Ratings questions: Elista FIDE Office