Aberto do Brasil V Memorial Machado de Assis
Open SwissStandard
57 players participated in this 6-round tournament, held from 17 Oct 2025 to 19 Oct 2025 in Joao Pessoa PB, Brazil. 6 titled players. Top 10 Elo average was 2107, and top seed was Francisco Allysson da S. Muniz (🇧🇷 BRA, CM, 2211).
Francisco Allysson da S. Muniz (🇧🇷 BRA, CM, 2211) won with 5.0/6, ahead of Rikelme Amorim Dos Santos (5.0) and Pedro Ferreira Lage (4.5). Muniz took the lead from round 5, winning on tie-break.
The biggest upset came in round 5: Janio Pedro Teixeira Costa (1737) beat Doriedson Lemos (2140), a +403-point gap.
Location
🇧🇷Joao Pessoa PB, Brazil
Dates
17 Oct 2025 → 19 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Titled players · 6
FM×1
CM×3
WFM×1
WCM×1
Federations · 1 represented
🇧🇷Brazil×57
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R6; 2 players tied at 5.0/6, decided on Buchholz.
Co-leaders
25
12
5
1
1
2
R5 · LEADER CHANGE19 Oct
CM Francisco Allysson da S. Muniz takes the sole lead (4.5/5).
R6 · TIEBREAK CLUSTER
2 players finish on 5.0/6. Muniz takes the title on Buchholz Cut1 (20.5).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Rikelme Amorim Dos Santos drew with CM Francisco Allysson da S. Muniz (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Rikelme Amorim Dos Santos | * | ½ | — | — |
| 2CMFrancisco Allysson da S. Muniz | ½ | * | — | — |
| 3Pablo Fernandes Gomes Pereira | — | — | * | — |
| 4Hikky Bruno Mendes De Oliveira | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Muniz, Francisco Allysson da S.CM | 2211 | BRA | +25B | +19N | +14B | =2N | +10B | =3N | 5.0 | 20.5 | 23.5 | 18.75 | 2286 | +12.0 |
| 2 | Santos, Rikelme Amorim Dos | 1999 | BRA | +52N | +36B | +13N | =1B | =5N | +10B | 5.0 | 19.5 | 20.5 | 15.75 | 2230 | +34.2 |
| 3 | Lage, Pedro FerreiraCM | 2192 | BRA | +23N | +17B | =5N | +11B | =7N | =1B | 4.5 | 21.5 | 24.5 | 17.50 | 2192 | +2.4 |
| 4 | De Oliveira, Hikky Bruno Mendes | 0 | BRA | +24N | +18B | +21B | −10N | =8N | +27B | 4.5 | 18.5 | 21.5 | 15.25 | 1999 | 0.0 |
| 5 | Andrade, Roberto Luiz CostaFM | 1998 | BRA | +38B | +35N | =3B | +34N | =2B | =14N | 4.5 | 18.0 | 20.5 | 14.00 | 2165 | +26.6 |
| 6 | Dos Santos, Leonardo Lopes | 1962 | BRA | +28N | +30B | −10N | +33B | =11N | +13B | 4.5 | 17.5 | 20.0 | 14.00 | 2045 | +28.8 |
| 7 | Urquiza, Marcello de Albuquerque | 2066 | BRA | −22B | +42N | +35B | +19N | =3B | +16N | 4.5 | 17.0 | 19.0 | 13.75 | 2065 | +2.8 |
| 8 | Viana, Daniel Fernandes | 1975 | BRA | +42B | +22N | =34B | =29N | =4B | +15N | 4.5 | 16.5 | 18.5 | 13.50 | 2184 | +54.0 |
| 9 | Pereira, Pablo Fernandes Gomes | 1915 | BRA | +44N | −13B | =23N | +51B | +32N | +17B | 4.5 | 14.5 | 15.5 | 10.50 | 1978 | +18.8 |
| 10 | Rocha, Vitor Firmo de Souza | 2180 | BRA | +37B | +26N | +6B | +4B | −1N | −2N | 4.0 | 22.0 | 24.5 | 14.50 | 2039 | -15.0 |
| 11 | Lima, Fagner Da Silva | 2018 | BRA | +45B | +39N | +32B | −3N | =6B | =21N | 4.0 | 17.5 | 19.5 | 11.00 | 2026 | +4.4 |
| 12 | De Morais, Andre Eurico | 1883 | BRA | +53B | −14N | +22B | −15N | +25B | +26N | 4.0 | 16.0 | 17.0 | 10.00 | 1956 | +26.8 |
| 13 | Costa, Janio Pedro Teixeira | 1737 | BRA | +15B | +9N | −2B | =40N | +34B | −6N | 3.5 | 20.0 | 22.5 | 11.75 | 2069 | +97.2 |
| 14 | Acioli,Luyse Victoria GomesWCM | 1987 | BRA | F | +12B | −1N | +30B | +27N | =5B | 3.5 | 19.5 | 19.5 | 12.25 | 2116 | +16.6 |
| 15 | De Oliveira, Daniel Paiva | 2103 | BRA | −13N | +20B | +24N | +12B | =17N | −8B | 3.5 | 19.0 | 22.0 | 12.25 | 1896 | -27.2 |
| 16 | Dantas, Francisco | 1909 | BRA | −33N | =28B | +20N | +23B | +18N | −7B | 3.5 | 17.5 | 20.0 | 11.50 | 1869 | -4.6 |
| 17 | Silva, Juliana Figueira TheophiloWFM | 1910 | BRA | +50B | −3N | +37B | +43N | =15B | −9N | 3.5 | 17.0 | 18.5 | 7.75 | 1951 | +14.8 |
| 18 | Lima,Alan Silva de | 1952 | BRA | +47B | −4N | +25B | =32N | −16B | +35N | 3.5 | 16.0 | 18.0 | 8.75 | 1959 | +1.6 |
| 19 | Gomes, Heitor Augustu Guedes | 1906 | BRA | +56N | −1B | +52N | −7B | =24N | +33B | 3.5 | 16.0 | 16.0 | 5.00 | 1898 | 0.0 |
| 20 | Flor, Felipe Santos De Oliveira | 1733 | BRA | =29B | −15N | −16B | +49N | +51N | +32B | 3.5 | 14.0 | 15.0 | 6.50 | 1944 | +63.2 |
| 21 | Azevedo, Edmundo Roberto Ramos | 1824 | BRA | F | +51B | −4N | +45B | +36N | =11B | 3.5 | 14.0 | 14.0 | 7.50 | 2182 | +32.0 |
| 22 | De Medeiros, Yasmin Soares | 1734 | BRA | +7N | −8B | −12N | −36B | +53N | +46B | 3.0 | 17.5 | 18.5 | 7.50 | 1845 | +33.2 |
| 23 | De Oliveira, Genivaldo Manoel | 1775 | BRA | −3B | +49N | =9B | −16N | =33N | +44B | 3.0 | 17.0 | 18.5 | 7.00 | 1828 | +6.2 |
| 24 | Pereira,Wilson Roberto de M. | 1795 | BRA | −4B | +50N | −15B | +47N | =19B | =28N | 3.0 | 16.5 | 18.0 | 6.75 | 1880 | +10.6 |
| 25 | De Oliveira,Lincoln Robert Lemos | 1778 | BRA | −1N | +44B | −18N | +53B | −12N | +48B | 3.0 | 16.5 | 17.5 | 5.00 | 1764 | -3.8 |
| 26 | Pontes, Luiz Felizola Lima | 1883 | BRA | +41N | −10B | −33N | +38B | +48N | −12B | 3.0 | 15.5 | 17.5 | 7.00 | 1717 | -42.4 |
| 27 | Batista, Davi De Azevedo | 1908 | BRA | +49B | −34N | +46B | +55N | −14B | −4N | 3.0 | 14.0 | 15.0 | 4.50 | 1881 | -2.6 |
| 28 | Gomes, Genildo de Souza | 1687 | BRA | −6B | =16N | −51N | +56B | +45N | =24B | 3.0 | 14.0 | 14.0 | 5.25 | 1789 | +15.4 |
| 29 | Da Silva, Erick Feitosa | 2051 | BRA | =20N | +33B | +31N | =8B | F | F | 3.0 | 13.5 | 13.5 | 9.50 | 2062 | +3.8 |
| 30 | Canonico, Rodrigo | 1832 | BRA | +55B | −6N | +38B | −14N | +43B | F | 3.0 | 13.5 | 13.5 | 5.50 | 1851 | +1.8 |
| 31 | De Souza, Arthur Olinto | 2110 | BRA | +43B | −32N | −29B | +46N | =35B | =39N | 3.0 | 12.5 | 14.5 | 6.50 | 1839 | -37.6 |
| 32 | De Oliveira, Fellipe Prado Figueira | 1880 | BRA | +48N | +31B | −11N | =18B | −9B | −20N | 2.5 | 18.5 | 20.5 | 6.75 | 1797 | -11.4 |
| 33 | Barbosa, Laura Sophia Gomes | 1656 | BRA | +16B | −29N | +26B | −6N | =23B | −19N | 2.5 | 17.5 | 20.5 | 8.00 | 1857 | +54.0 |
| 34 | Lemos, Doriedson | 2140 | BRA | +46N | +27B | =8N | −5B | −13N | F | 2.5 | 17.5 | 17.5 | 7.25 | 1874 | -30.6 |
| 35 | De Aguiar, Lucas Matias | 1794 | BRA | +57N | −5B | −7N | +44B | =31N | −18B | 2.5 | 17.5 | 17.5 | 3.50 | 1810 | -0.4 |
| 36 | De Medeiros, Sara Soares | 1897 | BRA | +54B | −2N | −43B | +22N | −21B | =37N | 2.5 | 16.0 | 17.0 | 5.25 | 1708 | -29.6 |
| 37 | Magalhaes, Gleidson Castelo Branc | 1757 | BRA | −10N | +56B | −17N | −48B | +42N | =36B | 2.5 | 14.0 | 14.0 | 3.25 | 1852 | +10.2 |
| 38 | Da Silva, Antonio Dutra | 1713 | BRA | −5N | +57B | −30N | −26N | =49B | +51B | 2.5 | 13.0 | 13.0 | 1.75 | 1670 | -6.8 |
| 39 | De Oliveira, Sergio Aparecido | 1815 | BRA | F | −11B | −55N | +42N | +40B | =31B | 2.5 | 12.5 | 12.5 | 6.00 | 2039 | +22.6 |
| 40 | Souza, Marcos Valerio A.CM | 1954 | BRA | F | +47N | F | =13B | −39N | +43B | 2.5 | 10.0 | 10.0 | 5.75 | 1840 | -11.4 |
| 41 | De Oliveira, Marcos Davi Viana R | 1510 | BRA | −26B | −43N | −47B | =50N | +54B | +52N | 2.5 | 9.5 | 10.5 | 2.75 | 1645 | +36.4 |
| 42 | Santana, Marcos Aurelio Pereira | 1696 | BRA | −8N | −7B | +56N | −39B | −37B | +54N | 2.0 | 15.0 | 15.0 | 1.00 | 1666 | -13.6 |
| 43 | Coelho, Emanuela Regia De Sousa | 1740 | BRA | −31N | +41B | +36N | −17B | −30N | −40N | 2.0 | 14.5 | 17.0 | 5.00 | 1744 | -1.2 |
| 44 | Baltar, Petrov Ferreira | 1669 | BRA | −9B | −25N | +54B | −35N | +52B | −23N | 2.0 | 14.0 | 15.0 | 2.00 | 1627 | -7.2 |
| 45 | Da Silva, Gabriel Ribeiro | 1731 | BRA | −11N | +48B | F | −21N | −28B | +49N | 2.0 | 14.0 | 14.0 | 3.50 | 1601 | -28.4 |
| 46 | Gomes, Andre Luis Bernardino | 1751 | BRA | −34B | +54N | −27N | −31B | +47B | −22N | 2.0 | 13.5 | 14.5 | 3.00 | 1727 | -7.4 |
| 47 | Campos, Guilherme Menezes | 1684 | BRA | −18N | −40B | +41N | −24B | −46N | +57B | 2.0 | 13.5 | 13.5 | 2.50 | 1552 | -33.6 |
| 48 | Da Silva, Adryan Winicius Santos | 0 | BRA | −32B | −45N | +50B | +37N | −26B | −25N | 2.0 | 13.0 | 14.5 | 4.00 | 1657 | 0.0 |
| 49 | Marques, Arthur Guilherme Santos | 1645 | BRA | −27N | −23B | +57N | −20B | =38N | −45B | 1.5 | 14.0 | 14.0 | 1.25 | 1406 | -46.8 |
| 50 | Teixeira, Alexandre Cesar Fernan | 1658 | BRA | −17N | −24B | −48N | =41B | +57N | F | 1.5 | 11.0 | 11.0 | 1.25 | 1465 | -14.2 |
| 51 | Dantas, Isaac Pereira | 1735 | BRA | F | −21N | +28B | −9N | −20B | −38N | 1.0 | 17.0 | 17.0 | 3.00 | 1534 | -24.8 |
| 52 | Da Silva, Bruno Pontes | 1713 | BRA | −2B | +53N | −19B | F | −44N | −41B | 1.0 | 14.0 | 14.0 | 1.00 | 1477 | -60.0 |
| 53 | De Albuquerque, Helio Sergio | 1500 | BRA | −12N | −52B | F | −25N | −22B | +56N | 1.0 | 11.0 | 11.0 | 0.00 | 1502 | -2.4 |
| 54 | Santos da Silva,Renata Nataly | 1531 | BRA | −36N | −46B | −44N | +57B | −41N | −42B | 1.0 | 11.0 | 11.0 | 0.00 | 904 | -29.0 |
| 55 | Fernandes, Benjamin Maia | 0 | BRA | −30N | F | +39B | −27B | F | F | 1.0 | 8.5 | 8.5 | 2.50 | 1727 | 0.0 |
| 56 | De Araujo, Gilmar Graciano | 1601 | BRA | −19B | −37N | −42B | −28N | F | −53B | 0.0 | 12.0 | 12.0 | 0.00 | 909 | -72.8 |
| 57 | De Sousa, Larissa Raquele Alves | 0 | BRA | −35B | −38N | −49B | −54N | −50B | −47N | 0.0 | 10.0 | 11.0 | 0.00 | 872 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Costa, Janio Pedro TeixeiraBRA+97.23.5 pts · #17
- 2Flor, Felipe Santos De OliveiraBRA+63.23.5 pts · #19
- 3Barbosa, Laura Sophia GomesBRA+54.02.5 pts · #29
Top rating losers
- 1De Araujo, Gilmar GracianoBRA-72.80.0 pts · #56
- 2Da Silva, Bruno PontesBRA-60.01.0 pts · #48
- 3Marques, Arthur Guilherme SantosBRA-46.81.5 pts · #53
Biggest upsets
- R5+403 Elo gap
- R1+366 Elo gap
- R1+332 Elo gap