Individual Calculations July 2018
 Valverde Mora, Mauricio  Total change: 76.00  Rating chartPersonal card
 Campeonato Nacional Clasico de Ajedrez por Equipos FCA 2018 San Jose CRC 2018-05-06
RcRownchangeKK*chgGame
 1684 1450 3.00 4 2.00 40 80.00 
  Nunez Avendano, Manrique 1696 CRC1.0010.814032.40 
  Vargas Villalobos, Oliverio 1850  * CRC0.5010.424016.80 
  Campos Sanchez, Roberto 1850  * CRC0.5010.424016.80 
  Salas Estrada, Ana Maria 1338 CRC1.0010.354014.00 
 * 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)
 
 I Cerrado de Alajuela 2018 Alajuela CRC 2018-06-11
RcRownchangeKK*chgGame
 1814 1450 0.50 3 0.19 40 7.60 
  Benitez Canales, Roy 1743 CRC0.5010.354014.00 
  Ramirez Madrid, Gerardo Alfonso f1850  * CRC0.001-0.0840-3.20 
  Toro Soto, Anthony Roy 1850  * CRC0.001-0.0840-3.20 
 * 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)
 
 Clasificatorio Tercera Categoria San Ramon 2018 San Ramon CRC 2018-06-16
RcRownchangeKK*chgGame
 1238 1450 2.00 3 -0.29 40 -11.60 
  Alvarez Alvarez, Jonahel 1121 CRC1.0010.12404.80 
  Medina Mayorga, David Josue 1309 CRC0.501-0.1940-7.60 
  Barquero Alfaro, Alejandro 1285 CRC0.501-0.2240-8.80 

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)
 

 

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