Torneio de Inverno Casa do Xadrez Etp Aberto do Brasil
Open SwissStandard
41 players participated in this 6-round tournament, held from 25 Jul 2025 to 27 Jul 2025 in Caxambu MG, Brazil. 4 titled players from 3 federations. Top 10 Elo average was 2085, and top seed was Everaldo Matsuura (🇧🇷 BRA, GM, 2374).
Everaldo Matsuura (🇧🇷 BRA, GM, 2374) won with 5.5/6, ahead of Matheus Mendes Domingues Ribeiro (5.0) and Kaua Marques Silva (4.5). Matsuura shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 1: Maria Beatriz Barbosa De Andrade (1535) beat Gilmar Dias Machado (1796), a +261-point gap.
Location
🇧🇷Caxambu MG, Brazil
Dates
25 Jul 2025 → 27 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Titled players · 4
GM×1
FM×2
CM×1
Federations · 3 represented
🇧🇷Brazil×39
🇻🇪Venezuela×1
🇬🇧England×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsGM Everaldo Matsuura led from R6; +0.5-point edge over the runner-up.
Co-leaders
14
6
3
1
2
1
R6 · LEADER CHANGE27 Jul
GM Everaldo Matsuura takes the sole lead (5.5/6).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
GM Everaldo Matsuura drew with FM Matheus Mendes Domingues Ribeiro (Black).
WIN STREAKS · 3 top finishers
GM Everaldo Matsuura 3 wins (R1–R3)FM Matheus Mendes Domingues Ribeiro 3 wins (R1–R3)FM Kaua Marques Silva 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMEveraldo Matsuura | * | ½ | 1 | — |
| 2FMMatheus Mendes Domingues Ribeiro | ½ | * | ½ | — |
| 3FMKaua Marques Silva | 0 | ½ | * | 1 |
| 4Diego Armando Bonilla Viamonte | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Matsuura, EveraldoGM | 2374 | BRA | +15B | +5N | +6B | =2N | +10B | +3N | 5.5 | 21.0 | 24.0 | 21.50 | 2500 | +6.8 |
| 2 | Ribeiro, Matheus Mendes DominguesFM | 2306 | BRA | +4N | +26B | +12N | =1B | =3N | +22B | 5.0 | 20.0 | 22.5 | 17.50 | 2333 | +8.8 |
| 3 | Silva, Kaua MarquesFM | 2297 | BRA | +30B | +23N | +13B | +7N | =2B | −1B | 4.5 | 20.0 | 22.0 | 14.00 | 2243 | -0.8 |
| 4 | Suzuki, Edgard Nascimento Souza | 1755 | BRA | −2B | +41N | +16B | =13N | =7B | +17N | 4.0 | 18.0 | 18.0 | 9.50 | 2029 | +82.0 |
| 5 | Roselli, Danilo Palomares | 1891 | BRA | +34N | −1B | +40N | +9B | −11N | +14B | 4.0 | 17.5 | 18.0 | 9.00 | 1997 | +15.0 |
| 6 | De Souza, Felipe Guimaraes | 2066 | BRA | +14N | +25B | −1N | +11B | +18N | F | 4.0 | 17.5 | 17.5 | 12.00 | 2163 | +14.2 |
| 7 | Bonilla Viamonte, Diego Armando | 1831 | VEN | +35N | =11B | +33N | −3B | =4N | +16B | 4.0 | 16.5 | 17.5 | 9.25 | 1982 | +23.0 |
| 8 | Zambotti, Eduardo Lopes | 1914 | BRA | =9B | +20N | =22B | −10N | +36B | +24N | 4.0 | 15.5 | 16.5 | 9.75 | 1782 | -15.6 |
| 9 | Sulz, Isaque Sathler | 1720 | BRA | =8N | =38B | +25N | −5N | +31B | +23B | 4.0 | 15.0 | 16.0 | 9.50 | 1961 | +38.6 |
| 10 | Eto, Fabio Luis | 1743 | BRA | −11N | +35B | +26N | +8B | −1N | =12B | 3.5 | 19.0 | 20.0 | 9.25 | 1980 | +35.4 |
| 11 | Moura, Eduardo Eugenio ChavesCM | 2037 | BRA | +10B | =7N | +24B | −6N | +5B | F | 3.5 | 18.0 | 18.0 | 12.00 | 2009 | -2.0 |
| 12 | Lapertosa, Julio | 1973 | BRA | +21B | +18N | −2B | =22N | =24B | =10N | 3.5 | 17.0 | 19.5 | 10.25 | 1879 | -13.0 |
| 13 | Hutchinson, Joel | 1930 | ENG | +28N | +37B | −3N | =4B | F | =19N | 3.0 | 16.0 | 17.0 | 6.50 | 1857 | -7.6 |
| 14 | Miranda,Robson Daniel Paiva | 1751 | BRA | −6B | +36N | =23B | =17N | +29B | −5N | 3.0 | 15.5 | 16.5 | 5.75 | 1817 | +14.8 |
| 15 | Marcal, David Hakak | 1757 | BRA | −1N | +34B | +37N | −18B | −23N | +28B | 3.0 | 14.5 | 15.5 | 4.50 | 1764 | -0.8 |
| 16 | Silva, Alexandre De Jesus | 1996 | BRA | =22N | =40B | −4N | +35B | +19B | −7N | 3.0 | 14.5 | 15.0 | 5.50 | 1715 | -78.8 |
| 17 | Deus Filho, Joaquim de | 1853 | BRA | −18N | =21B | +39N | =14B | +33N | −4B | 3.0 | 14.5 | 15.0 | 5.00 | 1611 | -31.4 |
| 18 | Mesquita, Victor Noronha | 1652 | BRA | +17B | −12B | +38N | +15N | −6B | F | 3.0 | 14.5 | 14.5 | 7.00 | 1960 | +76.0 |
| 19 | Leal, Marco Antonio Domingos | 1612 | BRA | −23N | +30N | =29B | +32B | −16N | =13B | 3.0 | 12.5 | 14.0 | 6.00 | 1853 | +69.6 |
| 20 | Vicencio, Lucas Fuentes Goncalves | 1579 | BRA | =38N | −8B | =28N | +25B | −27N | +32B | 3.0 | 12.5 | 13.5 | 5.50 | 1833 | +73.2 |
| 21 | Aragao Neto, Joao Batista | 1726 | BRA | −12N | =17N | −32B | =28B | +35N | +33B | 3.0 | 11.5 | 12.5 | 5.00 | 1745 | +3.0 |
| 22 | Marocco, Gabriel Leao Quadros | 1737 | BRA | =16B | +32N | =8N | =12B | F | −2N | 2.5 | 18.5 | 20.0 | 6.75 | 1964 | +54.4 |
| 23 | Goncalves,Luiz Osvaldo Cifuentes | 1839 | BRA | +19B | −3B | =14N | −24N | +15B | −9N | 2.5 | 17.5 | 20.0 | 7.50 | 1751 | -17.2 |
| 24 | Gomes, Marco Tulio Caldeira | 1769 | BRA | F | +39B | −11N | +23B | =12N | −8B | 2.5 | 14.0 | 14.0 | 4.75 | 1854 | +7.6 |
| 25 | Dias, Juliane de Oliveira | 1788 | BRA | +36B | −6N | −9B | −20N | =34B | +39N | 2.5 | 13.5 | 14.0 | 2.25 | 1439 | -33.6 |
| 26 | Lennard, Anthony | 1880 | BRA | +41B | −2N | −10B | −36N | =32N | +35B | 2.5 | 12.0 | 12.0 | 1.75 | 1814 | -19.6 |
| 27 | Kruger,Israel | 1961 | BRA | F | F | =31B | +34N | +20B | F | 2.5 | 6.5 | 6.5 | 5.50 | 1950 | +0.2 |
| 28 | Oliveira, Lucas Cazarim De | 1725 | BRA | −13B | −29N | =20B | =21N | +40B | −15N | 2.0 | 14.0 | 14.5 | 3.50 | 1632 | -30.4 |
| 29 | Machado, Gilmar Dias | 1796 | BRA | −37N | +28B | =19N | =33B | −14N | −30B | 2.0 | 11.5 | 12.5 | 4.25 | 1527 | -42.0 |
| 30 | Motta, Vinicius Araujo Dias B. | 1755 | BRA | −3N | −19B | −35N | +39B | F | +29N | 2.0 | 11.5 | 12.0 | 2.50 | 1595 | -18.6 |
| 31 | Mesquita, Arnaldo Leite | 1775 | BRA | =39N | −33B | =27N | +37B | −9N | F | 2.0 | 9.5 | 9.5 | 2.50 | 1600 | -18.8 |
| 32 | Bucci, Andrea Vidigal | 1799 | BRA | F | −22B | +21N | −19N | =26B | −20N | 1.5 | 14.0 | 14.0 | 4.25 | 1558 | -32.0 |
| 33 | Ribeiro,Ricardo de Biasi | 0 | BRA | F | +31N | −7B | =29N | −17B | −21N | 1.5 | 14.0 | 14.0 | 3.00 | 1647 | +23.6 |
| 34 | Vicencio, Maria Luz Goncalves | 1677 | BRA | −5B | −15N | F | −27B | =25N | +36B | 1.5 | 13.0 | 13.0 | 2.25 | 1527 | -25.2 |
| 35 | Francisco, Artur De Assis Rocha | 1589 | BRA | −7B | −10N | +30B | −16N | −21B | −26N | 1.0 | 16.0 | 18.0 | 2.00 | 1548 | -13.6 |
| 36 | Machado, Catarina Monteiro | 0 | BRA | −25N | −14B | F | +26B | −8N | −34N | 1.0 | 13.5 | 13.5 | 2.50 | 1562 | 0.0 |
| 37 | De Andrade,Maria Beatriz Barbosa | 1535 | BRA | +29B | −13N | −15B | −31N | F | F | 1.0 | 12.0 | 12.0 | 2.00 | 1621 | +12.8 |
| 38 | Pasqua, Mauricio Coragem | 1808 | BRA | =20B | =9N | −18B | F | F | F | 1.0 | 10.0 | 10.0 | 3.50 | 1525 | -22.4 |
| 39 | Belchior, Pedro | 0 | BRA | =31B | −24N | −17B | −30N | F | −25B | 0.5 | 12.0 | 12.0 | 1.00 | 1422 | 0.0 |
| 40 | Sampaio,Andre Luiz | 1756 | BRA | F | =16N | −5B | F | −28N | F | 0.5 | 9.0 | 9.0 | 1.50 | 1598 | -11.2 |
| 41 | Bokhonok, Tatiana Dos Santos Spineva | 1659 | BRA | −26N | −4B | F | F | F | F | 0.0 | 8.0 | 8.0 | 0.00 | 1018 | -23.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Suzuki, Edgard Nascimento SouzaBRA+82.04.0 pts · #7
- 2Mesquita, Victor NoronhaBRA+76.03.0 pts · #17
- 3Vicencio, Lucas Fuentes GoncalvesBRA+73.23.0 pts · #19
Top rating losers
- 1Silva, Alexandre De JesusBRA-78.83.0 pts · #16
- 2Machado, Gilmar DiasBRA-42.02.0 pts · #25
- 3Dias, Juliane de OliveiraBRA-33.62.5 pts · #37
Biggest upsets
- R1+261 Elo gap
- R3+241 Elo gap
- R6+220 Elo gap