Individual Calculations December 2021
 Arruda Filho, Ivo Pereira De  Total change: 42.80  Rating chartPersonal card
 87o Campeonato Brasileiro Absoluto de Xadrez Final Aberta Cuiaba MT BRA 2021-10-28
RcRownchangeKK*chgGame
 2022 1718 4.50 9 3.12 20 62.40 
  Carstens Dobuchak, Thiago 2118  * BRA0.001-0.0820-1.60 
  Cilento, Lucas Geraldo 1952 BRA1.0010.792015.80 
  Soares, Joao Carlos T. C. 2056 BRA0.001-0.1220-2.40 
  De Oliveira, Yuri Garcia 1925 BRA0.5010.27205.40 
  Peixoto, Rudson Marinho 1945 BRA0.5010.29205.80 
  Zakowicz, Rafael 1932 BRA1.0010.772015.40 
  Sekula, Markley Ribas 2092 BRA1.0010.902018.00 
  Nogueira, Ivan Kuhlmann f2118  * BRA0.5010.42208.40 
  Uczai, Joao Pedro Filimberti 2058 BRA0.001-0.1220-2.40 
 * 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)
 
 Festival Regional Norte de Xadrez 2021 Rio Branco AC BRA 2021-11-25
RcRownchangeKK*chgGame
 1499 1712 2.00 4 -0.98 20 -19.60 
  Fonseca, Rogerio Da Silva 1312  * BRA1.0010.08201.60 
  De Oliveira, Luiz Carlos 1458 BRA1.0010.19203.80 
  De Oliveira, Gualter Amelio 1507 BRA0.001-0.7620-15.20 
  Oliveira, Reginaldo Sousa 1718 BRA0.001-0.4920-9.80 
 * 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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