Rapid: Individual Calculations September 2018
 Abarca Matarrita, Juan P  Total change: 7.80  Rating chartPersonal card
 Campeonato Nacional Ajedrez Rapido por Equipos FCA 2018 San Jose CRC 2018-07-28
RcRownchangeKK*chgGame
 1569 1379 1.00 2 0.39 20 7.80 
  Sandi Castro, Allan 1359 CRC1.0010.47209.40 
  Vega Araya, Edwin 1779  * 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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