II Aberto do Brasil Princesa do Tocantins Imperatriz MA STD 2025
Open SwissStandard
47 players participated in this 6-round tournament, held from 25 Jul 2025 to 27 Jul 2025 in Imperatriz MA, Brazil. 3 titled players from 2 federations. Top 10 Elo average was 2064, and top seed was Paulo F. Jatoba de Oliveira Reis (🇧🇷 BRA, FM, 2343).
Paulo F. Jatoba de Oliveira Reis (🇧🇷 BRA, FM, 2343) won with 5.5/6, ahead of Luciano de Souza Zallio (5.0) and Nicolau Leitao (4.5). Reis shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 4: Lemuel Freires Da Silva (1589) beat Lindberg Rego Teixeira (1989), a +400-point gap.
Location
🇧🇷Imperatriz MA, 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 · 3
FM×2
CM×1
Federations · 2 represented
🇧🇷Brazil×34
FIDE (no federation)×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsFM Paulo F. Jatoba de Oliveira Reis led from R6; +0.5-point edge over the runner-up.
Co-leaders
17
8
3
1
2
1
R6 · LEADER CHANGE27 Jul
FM Paulo F. Jatoba de Oliveira Reis takes the sole lead (5.5/6).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
FM Paulo F. Jatoba de Oliveira Reis drew with CM Luciano de Souza Zallio (White).
WIN STREAKS · 3 top finishers
FM Paulo F. Jatoba de Oliveira Reis 3 wins (R1–R3)CM Luciano de Souza Zallio 3 wins (R1–R3)Israel Fillip da Silva Pontes 3 wins (R3–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMPaulo F. Jatoba de Oliveira Reis | * | ½ | — | 1 |
| 2CMLuciano de Souza Zallio | ½ | * | ½ | — |
| 3Israel Fillip da Silva Pontes | — | ½ | * | — |
| 4Nicolau Leitao | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Reis,Paulo F. Jatoba de OliveiraFM | 2343 | BRA | +21N | +22B | +11N | =2B | +3N | +18B | 5.5 | 19.5 | 22.5 | 20.00 | 2399 | +2.5 |
| 2 | Zallio, Luciano de SouzaCM | 2174 | BRA | +16B | +10N | +18B | =1N | +7B | =4N | 5.0 | 22.0 | 25.0 | 20.00 | 2275 | +15.6 |
| 3 | Leitao, Nicolau | 2042 | BRA | +29B | +9N | +13B | +6N | −1B | =5N | 4.5 | 22.5 | 25.0 | 17.25 | 2161 | +19.2 |
| 4 | Pontes,Israel Fillip da Silva | 2033 | BRA | =8N | =19B | +39N | +22B | +13N | =2B | 4.5 | 19.0 | 20.0 | 14.00 | 2093 | +11.6 |
| 5 | De Sousa, Werlles Milhomem | 1967 | BRA | +45N | =14B | +8N | =20B | +12N | =3B | 4.5 | 19.0 | 19.5 | 14.00 | 1943 | -0.2 |
| 6 | Ferreira, Enzo Suzarte | 2051 | BRA | +12N | =23B | +14N | −3B | +17N | +28B | 4.5 | 18.0 | 20.5 | 14.50 | 2025 | -1.4 |
| 7 | Guimaraes, Marcelo Cunha | 2015 | BRA | +30N | +25B | =20N | +17B | −2N | +9N | 4.5 | 18.0 | 20.5 | 14.00 | 2070 | +7.6 |
| 8 | Da Silva, Lemuel Freires | 1589 | BRA | =4B | +24N | −5B | +43N | =10B | +23N | 4.0 | 19.0 | 20.0 | 11.25 | 2025 | +99.6 |
| 9 | Da Cruz, Kadmiel Asafhe Mourao | 1870 | BRA | +31N | −3B | +40N | +11B | +19N | −7B | 4.0 | 18.5 | 19.5 | 10.50 | 1992 | +26.0 |
| 10 | Pinto Filho, Joao Moreira | 1908 | BRA | +26N | −2B | +46N | =15B | =8N | +19B | 4.0 | 18.5 | 18.5 | 9.75 | 1919 | +1.6 |
| 11 | De Oliveira, Edilson Rufino | 1937 | BRA | +33N | +39B | −1B | −9N | +21N | +20B | 4.0 | 17.5 | 18.5 | 9.00 | 1982 | +4.6 |
| 12 | Silveira, Samuel Oliveira Borges | 1671 | BRA | −6B | +34N | +43B | +32N | −5B | +22N | 4.0 | 16.5 | 17.5 | 8.50 | 2065 | +93.6 |
| 13 | Da Silva, Jose Zenildo Eugenio | 1934 | BRA | +47N | +46B | −3N | +21B | −4B | +25N | 4.0 | 15.0 | 15.0 | 6.00 | 1903 | -2.8 |
| 14 | Jorge Barbosa Carvalho Junior, Renato | 1779 | FID | +40B | =5N | −6B | =24N | +38B | =17N | 3.5 | 17.0 | 18.0 | 8.25 | 1854 | +14.8 |
| 15 | Araujo, Raoni | 1939 | BRA | +37B | −17N | +33B | =10N | −28B | +29N | 3.5 | 14.0 | 16.0 | 8.50 | 1689 | -26.0 |
| 16 | Matsunaga, Lange Cristina | 1672 | BRA | −2N | =26B | +42B | −28N | +31B | +39N | 3.5 | 14.0 | 15.0 | 6.00 | 1736 | +3.0 |
| 17 | Dos Santos, Bruno Mendes | 1834 | BRA | +44N | +15B | =23N | −7N | −6B | =14B | 3.0 | 19.0 | 19.5 | 7.25 | 1867 | +7.6 |
| 18 | Pereira, Jefferson Luis de S. | 1937 | BRA | F | +28B | −2N | +25B | +20N | −1N | 3.0 | 19.0 | 19.0 | 8.50 | 2070 | +15.6 |
| 19 | Macedo, Maximo ValerioFM | 1969 | BRA | =24B | =4N | +29B | +23N | −9B | −10N | 3.0 | 18.5 | 21.0 | 9.25 | 1867 | -12.6 |
| 20 | Batista, Francisco De Araujo | 1887 | BRA | +35B | +32N | =7B | =5N | −18B | −11N | 3.0 | 18.5 | 20.5 | 9.00 | 1905 | +2.2 |
| 21 | Ornelas, Ester Queiroz | 1695 | BRA | −1B | +36N | +27B | −13N | −11B | +35N | 3.0 | 18.5 | 20.5 | 7.00 | 1798 | +15.2 |
| 22 | Abreu, Nilton Silva | 1927 | BRA | +36B | −1N | +37B | −4N | +39N | −12B | 3.0 | 18.0 | 19.0 | 5.00 | 1755 | -19.4 |
| 23 | Silva, Valdecir Batista | 1913 | BRA | +34B | =6N | =17B | −19B | +33N | −8B | 3.0 | 16.5 | 18.5 | 7.75 | 1669 | -24.2 |
| 24 | Lemos, Carlos Victor Marques Brit | 0 | BRA | =19N | −8B | +26N | =14B | −25N | +40B | 3.0 | 16.5 | 17.5 | 7.25 | 1603 | 0.0 |
| 25 | Barbosa, Luis Davi Barros | 1841 | BRA | +42B | −7N | +35B | −18N | +24B | −13B | 3.0 | 16.5 | 17.5 | 6.00 | 1162 | -40.4 |
| 26 | FIDE 538047349 | 0 | — | −10B | =16N | −24B | =34N | +41B | +36N | 3.0 | 14.5 | 15.5 | 5.75 | 1597 | 0.0 |
| 27 | Oliveira, Francinato Menezes de S. | 1999 | BRA | F | +41B | −21N | F | +34B | +46N | 3.0 | 6.0 | 6.0 | 3.00 | 895 | -17.2 |
| 28 | Lima, Saymon Barreira | 1752 | BRA | F | −18N | =32B | +16B | +15N | −6N | 2.5 | 17.0 | 17.0 | 8.25 | 1926 | +42.0 |
| 29 | Ornelas, Samuel Queiroz | 1609 | BRA | −3N | +31B | −19N | =44B | +40N | −15B | 2.5 | 14.5 | 15.0 | 3.75 | 1174 | -12.0 |
| 30 | FIDE 44763921 | 0 | — | −7B | −35N | +36B | =31N | +37B | −32N | 2.5 | 13.5 | 15.5 | 5.25 | 1222 | 0.0 |
| 31 | Santos Frazao, Livia | 0 | BRA | −9B | −29N | +41N | =30B | −16N | +44B | 2.5 | 13.5 | 14.0 | 2.75 | 918 | 0.0 |
| 32 | Cunha,Adriano de Jesus Silva | 2029 | BRA | F | −20B | =28N | −12B | +44N | +30B | 2.5 | 12.5 | 12.5 | 4.25 | 1497 | -38.4 |
| 33 | Hennemann, Bento Vaz | 0 | BRA | −11B | F | −15N | +42N | −23B | +38N | 2.0 | 14.5 | 15.5 | 3.00 | 1645 | 0.0 |
| 34 | FIDE 538047330 | 0 | — | −23N | −12B | =45N | =26B | −27N | +41B | 2.0 | 14.0 | 14.5 | 2.75 | 1061 | 0.0 |
| 35 | FIDE 538047365 | 0 | — | −20N | +30B | −25N | −39B | +45N | −21B | 2.0 | 12.5 | 13.0 | 3.00 | 996 | 0.0 |
| 36 | FIDE 538047314 | 0 | — | −22N | −21B | −30N | +47B | +42N | −26B | 2.0 | 12.5 | 12.5 | 1.00 | 1011 | 0.0 |
| 37 | FIDE 44794967 | 0 | — | −15N | +44B | −22N | −40B | −30N | +45B | 2.0 | 10.5 | 11.0 | 1.00 | 1133 | 0.0 |
| 38 | Junior, Reginaldo Maia | 1562 | BRA | F | F | +47N | +46B | −14N | −33B | 2.0 | 7.5 | 7.5 | 0.00 | 979 | -8.8 |
| 39 | Ornelas, Joao Pedro Queiroz | 1759 | BRA | F | −11N | −4B | +35N | −22B | −16B | 1.0 | 17.0 | 17.0 | 2.00 | 1092 | -53.6 |
| 40 | FIDE 538047373 | 0 | — | −14N | F | −9B | +37N | −29B | −24N | 1.0 | 15.0 | 15.0 | 2.00 | 953 | 0.0 |
| 41 | FIDE 538020947 | 0 | — | F | −27N | −31B | +45B | −26N | −34N | 1.0 | 11.0 | 11.0 | 0.50 | 1199 | 0.0 |
| 42 | FIDE 538047322 | 0 | — | −25N | +45B | −16N | −33B | −36B | F | 1.0 | 11.0 | 11.0 | 0.50 | 957 | 0.0 |
| 43 | Teixeira, Lindberg Rego | 1989 | BRA | F | +47B | −12N | −8B | F | F | 1.0 | 8.0 | 8.0 | 0.00 | 830 | -35.8 |
| 44 | Moura, Ana Luiza Da Silva | 0 | BRA | −17B | −37N | F | =29N | −32B | −31N | 0.5 | 12.5 | 12.5 | 1.25 | 1551 | 0.0 |
| 45 | FIDE 44763913 | 0 | — | −5B | −42N | =34B | −41N | −35B | −37N | 0.5 | 11.5 | 12.5 | 1.00 | 1167 | 0.0 |
| 46 | FIDE 538047357 | 0 | — | F | −13N | −10B | −38N | F | −27B | 0.0 | 14.0 | 14.0 | 0.00 | 1051 | 0.0 |
| 47 | FIDE 44794924 | 0 | — | −13B | −43N | −38B | −36N | F | F | 0.0 | 10.0 | 10.0 | 0.00 | 1028 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Da Silva, Lemuel FreiresBRA+99.64.0 pts · #8
- 2Silveira, Samuel Oliveira BorgesBRA+93.64.0 pts · #10
- 3Lima, Saymon BarreiraBRA+42.02.5 pts · #12
Top rating losers
- 1Ornelas, Joao Pedro QueirozBRA-53.61.0 pts · #41
- 2Barbosa, Luis Davi BarrosBRA-40.43.0 pts · #39
- 3Cunha,Adriano de Jesus SilvaBRA-38.42.5 pts · #29
Biggest upsets
- R4+400 Elo gap
- R4+358 Elo gap
- R6+324 Elo gap