Individual Calculations April 2023
 Dos Santos, Vinicius Barbosa  Total change: -26.40  Rating chartPersonal card
 Aberto do Brasil XII Memorial Bobby Fischer Joao Pessoa PB BRA 2023-03-17
RcRownchangeKK*chgGame
 1665 1711 1.50 4 -0.66 40 -26.40 
  De Saboya E Silva, Jose Frederic 1971 BRA0.001-0.1840-7.20 
  Gomes, Annyara Da Silva 1429 BRA0.501-0.3440-13.60 
  De Almeida, Valdemiza Gurgel 1351 BRA1.0010.10404.00 
  Santos, Roberto Melo Dos 1909 BRA0.001-0.2440-9.60 

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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