| Jun 30, 2026 | Bachmann | 1–0 | Piccoli | X Caioba STD | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 10, 2026 | Lu | 1–0 | Piccoli | Round 11: Lu, Maximillian - Piccoli, Lucas Fonseca | English Opening: Agincourt Defense | |
| Jun 9, 2026 | Piccoli | ½–½ | Flores Quillas | Round 10: Piccoli, Lucas Fonseca - Flores Quillas, Diego Saul Rodri | Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Variation | |
| Jun 8, 2026 | Sanchez Alvarez | 0–1 | Piccoli | Round 9: Sanchez Alvarez, Roberto Carlos - Piccoli, Lucas Fonseca | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System | |
| Jun 7, 2026 | Piccoli | 1–0 | Curi | Round 8: Piccoli, Lucas Fonseca - Curi, Gabriel | French Defense: Winawer Variation, Advance Variation, with h4 | |
| Jun 6, 2026 | Diaz Rosas | ½–½ | Piccoli | Round 7: Diaz Rosas, Julio Cesar - Piccoli, Lucas Fonseca | Nimzo-Indian Defense: St. Petersburg Variation | |
| Jun 5, 2026 | Piccoli | 1–0 | Leal Escamilla | Round 6: Piccoli, Lucas Fonseca - Leal Escamilla, Daniel Zinedine | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 5, 2026 | Linares Orellana | ½–½ | Piccoli | Round 5: Linares Orellana, Hector Jose - Piccoli, Lucas Fonseca | Caro-Kann Defense: Exchange Variation | |
| Jun 4, 2026 | Piccoli | 0–1 | Avila Pavas | Round 4: Piccoli, Lucas Fonseca - Avila Pavas, Santiago | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Jun 4, 2026 | Angeles Vera | 0–1 | Piccoli | Round 3: Angeles Vera, Mario Alberto - Piccoli, Lucas Fonseca | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Jun 4, 2026 | Escobar Alfaro | 0–1 | Piccoli | Round 1: Escobar Alfaro, Salvador - Piccoli, Lucas Fonseca | Queen's Gambit Declined: Westphalian Variation | |
| Jun 3, 2026 | Piccoli | 0–1 | Martinez Duany | Round 2: Piccoli, Lucas Fonseca - Martinez Duany, Lelys Stanley | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 21, 2026 | Teixeira | * | Piccoli | V Rio Chess Open 2026 - STD | Bird Opening | |
| Jan 24, 2026 | Santiago | 1–0 | Piccoli | BCS Floripa - STD | Queen's Gambit Declined | |
| Jan 22, 2026 | Cubas | 1–0 | Piccoli | BCS Floripa - STD | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Dec 21, 2025 | Piccoli | ½–½ | Lima | Round 11: Piccoli, Lucas Fonseca - Lima, Darcy | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 15, 2025 | Piccoli | 0–1 | Fier | Round 3: Piccoli, Lucas Fonseca - Fier, Alexandr | Sicilian Defense: Modern Variations, Main Line | |
| Nov 1, 2025 | Piccoli | * | Cueto | Round 8: Piccoli, Lucas Fonseca - Cueto, Jonny | Philidor Defense: Exchange Variation | |
| Nov 1, 2025 | Piccoli | * | Lage | Round 7: Piccoli, Lucas Fonseca - Lage, Pedro Ferreira | French Defense: Advance Variation | |
| Oct 31, 2025 | Nunes Jr | * | Piccoli | Round 6: Nunes Jr, Sidney - Piccoli, Lucas Fonseca | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Oct 30, 2025 | Piccoli | * | Ticona Rocabado | Round 5: Piccoli, Lucas Fonseca - Ticona Rocabado, Licael Roderick | French Defense: Classical Variation, Shirov-Anand Variation | |
| Oct 29, 2025 | Bueno | * | Piccoli | Round 4: Bueno, Alfeu Junior Varela - Piccoli, Lucas Fonseca | Sicilian Defense: Closed | |
| Oct 27, 2025 | Barrera Caicedo | ½–½ | Piccoli | Round 2: Barrera Caicedo, Hubert - Piccoli, Lucas Fonseca | Caro-Kann Defense: Breyer Variation | |
| Oct 27, 2025 | Piccoli | 1–0 | De Moura | Round 1: Piccoli, Lucas Fonseca - De Moura, Pablo Rafael | Sicilian Defense: Lasker-Pelikan Variation | |
| Jul 5, 2025 | Piccoli | 0–1 | Tristan | Round 8: Piccoli, Lucas Fonseca - Tristan, Leonardo | Four Knights Game: Scotch Variation Accepted | |
| Jul 3, 2025 | Piccoli | 0–1 | Fier | Round 6: Piccoli, Lucas Fonseca - Fier, Alexandr | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Jul 1, 2025 | Filgueiras | 1–0 | Piccoli | Round 4: Filgueiras, Nathan Felipe - Piccoli, Lucas Fonseca | Indian Defense: Normal Variation | |
| Jun 27, 2025 | Piccoli | 1–0 | Mekhitarian | Round 3: Piccoli, Lucas Fonseca - Mekhitarian, Krikor Sevag | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| May 26, 2025 | Hardaway | ½–½ | Piccoli | Round 5: Hardaway, Brewington - Piccoli, Lucas Fonseca | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 24, 2025 | Cardoso Cardoso | 1–0 | Piccoli | Round 3: Cardoso Cardoso, Jose Gabriel - Piccoli, Lucas Fonseca | Nimzo-Indian Defense: Sämisch Variation | |
| Apr 20, 2025 | Piccoli | 0–1 | Flores Quillas | Semana Santa A. 2025 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Apr 17, 2025 | Iturrizaga Bonelli | ½–½ | Piccoli | Semana Santa A. 2025 | English Opening: Agincourt Defense | |
| Mar 3, 2025 | Piccoli | 0–1 | Noe | PICF 2025 - KAREL JANEČEK Open | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jan 7, 2025 | Piccoli | 1–0 | Sousa | Roquetas 25 | Caro-Kann Defense: Exchange Variation | |
| Jan 6, 2025 | Piccoli | 0–1 | Fiorito | Roquetas 25 | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Jan 6, 2025 | Rodriguez Garcia | * | Piccoli | Roquetas 25 | ? | |
| Jan 5, 2025 | Grieve | ½–½ | Piccoli | Roquetas 25 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jan 4, 2025 | Piccoli | * | Kowalec | Roquetas 25 | ? | |
| Jan 4, 2025 | Alvarez Morales | * | Piccoli | Roquetas 25 | ? | |
| Jan 3, 2025 | Piccoli | * | Bernal | Roquetas 25 | ? | |
| Jan 3, 2025 | Narayanan S L | 1–0 | Piccoli | Roquetas 25 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jan 2, 2025 | Piccoli | * | Vela Ignacio | Roquetas 25 | ? | |
| Dec 22, 2024 | Piccoli | 1–0 | Patel | XI Sunway Sitges International Chess Festival 2024 - Group A | Scotch Game: Mieses Variation | |
| Dec 16, 2024 | Girel | 1–0 | Piccoli | XI Sunway Sitges International Chess Festival 2024 - Group A | Nimzo-Indian Defense: Sämisch Variation | |
| Oct 17, 2024 | Piccoli | 0–1 | Molina | Round 9: Piccoli, Lucas Fonseca - Molina, Roberto Junio Brito | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 16, 2024 | Lira | ½–½ | Piccoli | Manaus Chess Open 2024 | Caro-Kann Defense: Tartakower Variation | |
| Oct 15, 2024 | Piccoli | ½–½ | Flom | Manaus Chess Open 2024 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Oct 14, 2024 | Piccoli | 1–0 | Silverio | Manaus Chess Open 2024 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Oct 14, 2024 | Di Berardino | ½–½ | Piccoli | Manaus Chess Open 2024 | Nimzo-Indian Defense: Normal Variation | |
| Oct 13, 2024 | Barbosa | 0–1 | Piccoli | Manaus Chess Open 2024 | Zukertort Opening | |
| Oct 12, 2024 | Piccoli | 0–1 | Quintiliano | Manaus Chess Open 2024 | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Oct 12, 2024 | Pontes | 0–1 | Piccoli | Manaus Chess Open 2024 | Caro-Kann Defense: Tartakower Variation | |
| Oct 11, 2024 | Piccoli | 1–0 | Chagas | Manaus Chess Open 2024 | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Jul 14, 2024 | Gauche | 0–1 | Piccoli | Round 9: Gauche, Charles - Piccoli, Lucas Fonseca | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Jul 13, 2024 | Piccoli | 1–0 | Cubas | Round 7: Piccoli, Lucas Fonseca - Cubas, Jose Fernando | Sicilian Defense: Kalashnikov Variation | |
| Jul 12, 2024 | Silva | * | Piccoli | Round 6: Silva, Caio Henrique Angelico - Piccoli, Lucas Fonseca | ? | |
| Jul 12, 2024 | Piccoli | * | Buganca | Round 5: Piccoli, Lucas Fonseca - Buganca, Luiz Henrique Da Silva | ? | |
| Jul 11, 2024 | Delgado Ramirez | 1–0 | Piccoli | Round 4: Delgado Ramirez, Neuris - Piccoli, Lucas Fonseca | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 10, 2024 | Piccoli | * | Lima | Round 3: Piccoli, Lucas Fonseca - Lima, Kleyton Alcantara | ? | |
| Jul 10, 2024 | Schena | * | Piccoli | Round 2: Schena, Arthur - Piccoli, Lucas Fonseca | ? | |
| Jul 9, 2024 | Piccoli | * | Costa | Round 1: Piccoli, Lucas Fonseca - Costa, Ricardo Santos | ? | |
| Jul 9, 2024 | Piccoli | 0–1 | Tari | Round 8: Piccoli, Lucas Fonseca - Tari, Aryan | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Jun 30, 2024 | Schnaider | 1–0 | Piccoli | Round 9: Schnaider, Ilan - Piccoli, Lucas Fonseca | Sicilian Defense: Lasker-Pelikan Variation | |
| Jun 28, 2024 | Umetsubo | 1–0 | Piccoli | Round 7: Umetsubo, Cesar Hidemitsu - Piccoli, Lucas Fonseca | Nimzo-Indian Defense: Classical Variation, Milner-Barry Variation | |
| Apr 27, 2024 | Librelato | 1–0 | Piccoli | Round 8: Librelato, Kathie Goulart - Piccoli, Lucas Fonseca | Caro-Kann Defense: Main Line | |
| Apr 26, 2024 | Piccoli | ½–½ | Hoffman | Round 7: Piccoli, Lucas Fonseca - Hoffman, Alejandro | Pirc Defense | |
| Apr 25, 2024 | Lima | 1–0 | Piccoli | Round 5: Lima, Stefan Moisei VIeira - Piccoli, Lucas Fonseca | English Opening: Neo-Catalan Declined | |
| Apr 24, 2024 | Piccoli | 1–0 | Souza | Round 4: Piccoli, Lucas Fonseca - Souza, Iago Henrique da Silva | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Apr 23, 2024 | Lage | ½–½ | Piccoli | Round 3: Lage, Pedro Ferreira - Piccoli, Lucas Fonseca | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Apr 23, 2024 | Piccoli | 1–0 | Soares | Round 2: Piccoli, Lucas Fonseca - Soares, Joao Carlos T. C. | French Defense: Advance Variation | |
| Apr 22, 2024 | Rodrigues | 0–1 | Piccoli | Round 1: Rodrigues, Julliano de Araujo - Piccoli, Lucas Fonseca | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Dec 30, 2024 | Piccoli | ½–½ | Shah Jeet | Round 8: Piccoli, Lucas Fonseca - Shah Jeet | Italian Game: Giuoco Pianissimo, Normal | |
| Dec 30, 2024 | Bercaru | * | Piccoli | Round 9: Bercaru, Vlad Ionut - Piccoli, Lucas Fonseca | ? | |
| Dec 29, 2024 | Piccoli | * | Tonndorf | Round 6: Piccoli, Lucas Fonseca - Tonndorf, Matthias | ? | |
| Dec 29, 2024 | Peschardt | * | Piccoli | Round 7: Peschardt, Soren - Piccoli, Lucas Fonseca | ? | |
| Dec 28, 2024 | Piccoli | 1–0 | Cano Mateos | Round 4: Piccoli, Lucas Fonseca - Cano Mateos, Pablo | French Defense: Advance Variation, Euwe Variation | |
| Dec 28, 2024 | Cabrera | 1–0 | Piccoli | Round 5: Cabrera, Alexis - Piccoli, Lucas Fonseca | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Dec 27, 2024 | Piccoli | * | Maklakova | Round 2: Piccoli, Lucas Fonseca - Maklakova, Nellija | ? | |
| Dec 27, 2024 | Vignesh N R | 1–0 | Piccoli | Round 3: Vignesh N R - Piccoli, Lucas Fonseca | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Dec 26, 2024 | Leiva Raya | * | Piccoli | Round 1: Leiva Raya, Nicolas - Piccoli, Lucas Fonseca | ? | |
| Nov 2, 2021 | Piccoli | 1–0 | Ferreira | 87o Campeonato Brasileiro Absoluto Final Aberta | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Nov 2, 2021 | Barbosa | 1–0 | Piccoli | 87o Campeonato Brasileiro Absoluto Final Aberta | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 1, 2021 | Jordao Barbosa | 1–0 | Piccoli | 87o Campeonato Brasileiro Absoluto Final Aberta | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Oct 31, 2021 | Piccoli | 1–0 | Lima | 87o Campeonato Brasileiro Absoluto Final Aberta | English Opening: Symmetrical Variation | |
| Oct 31, 2021 | Filgueiras | 1–0 | Piccoli | 87o Campeonato Brasileiro Absoluto Final Aberta | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 30, 2021 | Piccoli | 1–0 | Leite | 87o Campeonato Brasileiro Absoluto Final Aberta | English Opening | |
| Oct 29, 2021 | Piccoli | 0–1 | Mekhitarian | 87o Campeonato Brasileiro Absoluto Final Aberta | English Opening: Neo-Catalan | |
| Oct 29, 2021 | Ribeiro | 0–1 | Piccoli | 87o Campeonato Brasileiro Absoluto Final Aberta | Caro-Kann Defense: Breyer Variation | |
| Oct 28, 2021 | Pironti | 0–1 | Piccoli | 87o Campeonato Brasileiro Absoluto Final Aberta | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |