Individual Calculations October 2018
 Sandi Quiros, Deborah  Total change: 15.20  Rating chartPersonal card
 Primer Torneo Clasificatorio Campeonato Nacional Femenino 2019 San Jose CRC 2018-09-08
RcRownchangeKK*chgGame
 1213 1138 2.50 5 0.38 40 15.20 
  Morera Campos, Hazel Maria wm1538  * CRC0.001-0.0840-3.20 
  Orozco Centeno, Mariana 1198 CRC0.5010.08403.20 
  Adanis Mora, Naomy 1140 CRC0.001-0.5040-20.00 
  Rodriguez Nunez, Diana 1119 CRC1.0010.474018.80 
  Cubero Moreno, Nayeli 1072 CRC1.0010.414016.40 
 * 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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