Blitz: Individual Calculations February 2019
 Sierra Berrocal, Gabriela  Total change: 23.00  Rating chartPersonal card
 Abierto Internacional Metropolitano Blitz 2018 San Jose CRC 2018-12-30
RcRownchangeKK*chgGame
 1535 1193 2.00 7 1.15 20 23.00 
  Ramirez Quesada, Franklin 1593  * CRC1.0010.922018.40 
  Alvarez Mora, Jorge Mario 1593  * CRC0.001-0.0820-1.60 
  Herrera Boschini, Gabriel 1593  * CRC0.001-0.0820-1.60 
  Mendez Gonzalez, Jose Armando 1581 CRC0.001-0.0920-1.80 
  Coto Calderon, Juan Diego 1459 CRC0.001-0.1820-3.60 
  Calderon Brenes, Brandon 1475 CRC0.001-0.1620-3.20 
  Arguedas Bolanos, Sharline 1451 CRC1.0010.822016.40 
 * 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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