Individual Calculations July 2019
 Castillo Morales, Thais  Total change: -5.20  Rating chartPersonal card
 LV Campeonato Nacional por Equipos Clasico 2019 San Jose CRC 2019-04-28
RcRownchangeKK*chgGame
 1820 1851 3.50 7 -0.26 20 -5.20 
  Minero Pineda, Sergio m2251  * CRC0.001-0.0820-1.60 
  Villalobos Arrieta, Eduardo 1451  * CRC1.0010.08201.60 
  Tapia Quiros, Gustavo c2016 CRC0.001-0.2820-5.60 
  Arce Oviedo, Cesar 1734 CRC1.0010.34206.80 
  Badilla Hernandez, Johans 1569 CRC1.0010.16203.20 
  Solano Cordero, Jorge 1810 CRC0.501-0.0620-1.20 
  Ulloa Avellan, Oscar 1910 CRC0.001-0.4220-8.40 
 * 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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