| Oct 31, 2025 | Hauge | ½–½ | Vieira | Round 10: Hauge, Tor Arne - Vieira, Alexandre Letizio | Sicilian Defense | |
| Oct 30, 2025 | Vieira | ½–½ | Canonne | Round 9: Vieira, Alexandre Letizio - Canonne, Antoine | Bird Opening | |
| Oct 29, 2025 | Andreas | ½–½ | Vieira | Round 8: Andreas, Guenter - Vieira, Alexandre Letizio | Sicilian Defense: Dragon Variation, Classical Variation, Amsterdam Variation | |
| Oct 28, 2025 | Vieira | ½–½ | Goldberg | Round 7: Vieira, Alexandre Letizio - Goldberg, Leonid S. | Bird Opening: Dutch Variation | |
| Oct 25, 2025 | Sielicki | 1–0 | Vieira | Round 5: Sielicki, Tomasz - Vieira, Alexandre Letizio | Queen's Gambit Accepted: Alekhine Defense | |
| Oct 24, 2025 | Vieira | 0–1 | Lebret | Round 4: Vieira, Alexandre Letizio - Lebret, Jean-Michel | King's Indian Attack: Sicilian Variation | |
| Oct 23, 2025 | Vieira | ½–½ | Baasanjav | Round 3: Vieira, Alexandre Letizio - Baasanjav, Mijid | King's Indian Attack | |
| Oct 22, 2025 | Lindgren | ½–½ | Vieira | Round 2: Lindgren, Mats - Vieira, Alexandre Letizio | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Oct 21, 2025 | Vieira | ½–½ | Ernst | Round 1: Vieira, Alexandre Letizio - Ernst, Michael | King's Indian Attack | |
| Mar 23, 2025 | Vieira | 0–1 | Torres | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | Petrov's Defense | |
| Mar 23, 2025 | Ferreira | * | Vieira | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | ? | |
| Mar 22, 2025 | Vieira | * | Pereira | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | ? | |
| Mar 22, 2025 | De Saboya E Silva | ½–½ | Vieira | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Mar 21, 2025 | Vieira | * | Da Silva | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | ? | |
| Mar 21, 2025 | Da Silva Tomaz | 1–0 | Vieira | Aberto do Brasil XIV Memorial Bobby Fischer - João Pessoa (PB) | Semi-Slav Defense | |
| Jul 11, 2024 | Vieira | ½–½ | Andersson | wst65 | Sicilian Defense: Old Sicilian | |
| Jul 10, 2024 | Schulz | ½–½ | Vieira | wstcc2024o65 | Queen's Pawn Game: Levitsky Attack | |
| Jul 9, 2024 | Vieira | 1–0 | Aragones-Melhem | wstcc2024o65 | Sicilian Defense: Old Sicilian | |
| Jul 7, 2024 | Lange | ½–½ | Vieira | wstcc2024o65 | English Opening: Symmetrical Variation, Three Knights Variation | |
| Jul 6, 2024 | Turecki | 1–0 | Vieira | wst65 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 5, 2024 | Vieira | ½–½ | Joentausta | wstcc2024o65 | Sicilian Defense: French Variation | |
| Jul 4, 2024 | Vieira | 0–1 | MacElligott | wst65 | Sicilian Defense: Old Sicilian | |
| Jul 3, 2024 | O`Sullivan | 0–1 | Vieira | wst65 | Queen's Gambit Declined: Exchange Variation | |
| Jul 2, 2024 | Vieira | ½–½ | Beaumont | wstcc2024o65 | Pirc Defense | |
| Aug 25, 2024 | Iurk | * | Vieira | Round 6: Iurk, Jonel Nazareno - Vieira, Alexandre Letizio | ? | |
| Aug 24, 2024 | Vieira | 1–0 | Ferreira | Round 3: Vieira, Alexandre Letizio - Ferreira, Alexander | Ruy Lopez: Exchange Variation | |
| Aug 24, 2024 | Gambale | ½–½ | Vieira | Round 4: Gambale, Eduardo De Aquino - Vieira, Alexandre Letizio | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Aug 23, 2024 | Vieira | 0–1 | Carvalho | Round 1: Vieira, Alexandre Letizio - Carvalho, Herbert Abreu | Ruy Lopez: Exchange Variation, Alekhine Variation | |
| Aug 23, 2024 | Gomes | 0–1 | Vieira | Round 2: Gomes, Genildo de Souza - Vieira, Alexandre Letizio | Slav Defense | |
| Oct 26, 2023 | Hilarius | * | Vieira | 65+ World Senior Championship | ? | |
| Oct 25, 2023 | Hewson | * | Vieira | 65+ World Senior Championship | ? | |
| Feb 17, 2022 | Benitez | 1–0 | Vieira | V Abierto de Montevideo | Sicilian Defense: Accelerated Dragon | |
| Feb 16, 2022 | Vieira | 0–1 | Pichuaga | V Abierto de Montevideo | Indian Defense | |
| Feb 15, 2022 | Muzzi | * | Vieira | V Abierto de Montevideo | ? | |
| Feb 13, 2022 | Rodriguez Delfino | 1–0 | Vieira | V Abierto de Montevideo | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Feb 12, 2022 | Vieira | 0–1 | Ricardi | V Abierto de Montevideo | London System | |
