Individual Calculations March 2019
 Araya Tropper, Ariel  Total change: -39.60  Rating chartPersonal card
 Campeonato Nacional Infantil Absoluto Sub13 2019 San Jose CRC 2019-02-16
RcRownchangeKK*chgGame
 1209 1205 1.00 4 -0.99 40 -39.60 
  Segura Cordero, Ariel 1362 CRC0.5010.21408.40 
  Alvarez Ugalde, Isaac 1208 CRC0.001-0.5040-20.00 
  Quiros Acuna, Sebastian 1157 CRC0.001-0.5740-22.80 
  Vargas Abadia, Alejandro 1107 CRC0.501-0.1340-5.20 

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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