| Jun 27, 2025 | Docampo Beltran | ½–½ | Giaccio | Round 9: Docampo Beltran, Dexter - Giaccio, Alfredo | Petrov's Defense: Cozio Attack | |
| Jun 27, 2025 | Giaccio | 0–1 | Marin Ferragut | Round 8: Giaccio, Alfredo - Marin Ferragut, Pau | Sicilian Defense: Najdorf Variation | |
| Jun 27, 2025 | Deusa Ballesteros | 0–1 | Giaccio | Round 7: Deusa Ballesteros, Lucas - Giaccio, Alfredo | Catalan Opening: Closed | |
| Jun 27, 2025 | Giaccio | 1–0 | Garcia Ramos | Round 6: Giaccio, Alfredo - Garcia Ramos, Marcos | Scotch Game | |
| Jun 27, 2025 | Pardo Ruiz | 0–1 | Giaccio | Round 5: Pardo Ruiz, Carlos - Giaccio, Alfredo | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Jun 27, 2025 | Giaccio | ½–½ | Luque Saiz | Round 4: Giaccio, Alfredo - Luque Saiz, Andres | Caro-Kann Defense: Exchange Variation | |
| Jun 27, 2025 | Sanchez | ½–½ | Giaccio | Round 3: Sanchez, Sebastian Felipe - Giaccio, Alfredo | English Opening: Neo-Catalan | |
| Jun 27, 2025 | Giaccio | 1–0 | Yuste Valenzuela | Round 2: Giaccio, Alfredo - Yuste Valenzuela, Alejandro | Old Indian Defense: Two Knights Variation | |
| Jun 27, 2025 | Lamaze | 1–0 | Giaccio | Round 1: Lamaze, Simon - Giaccio, Alfredo | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 15, 2025 | Giaccio | 1–0 | Gonzalez Lopez | Round 6: Giaccio, Alfredo - Gonzalez Lopez, Lucas 2013 | King's Indian Defense: Makogonov Variation | |
| Jun 14, 2025 | Juan Lepp | 0–1 | Giaccio | Round 5: Juan Lepp, Jaime Boris - Giaccio, Alfredo | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Jun 14, 2025 | Giaccio | 1–0 | Perez Epinin | Round 4: Giaccio, Alfredo - Perez Epinin, Gines | Sicilian Defense: Classical Variation | |
| Jun 14, 2025 | Salvador Buiza | 1–0 | Giaccio | Round 3: Salvador Buiza, Victor - Giaccio, Alfredo | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 13, 2025 | Giaccio | 1–0 | Atienza Alvarez | Round 2: Giaccio, Alfredo - Atienza Alvarez, Javier | French Defense: Advance Variation, Euwe Variation | |
| Jun 13, 2025 | Villa Izquierdo | 0–1 | Giaccio | Round 1: Villa Izquierdo, Roberto - Giaccio, Alfredo | French Defense: Schlechter Variation | |
| Sep 1, 2024 | Giaccio | 1–0 | Torres Sanchez | Round 9: Giaccio, Alfredo - Torres Sanchez, Jose | Modern Defense: Standard Defense | |
| Aug 31, 2024 | Martinez Villena | 0–1 | Giaccio | Round 8: Martinez Villena, David - Giaccio, Alfredo | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Aug 31, 2024 | Giaccio | 1–0 | Medialdea Fernandez | Round 7: Giaccio, Alfredo - Medialdea Fernandez, Hernando | Scandinavian Defense: Gubinsky-Melts Defense | |
| Aug 28, 2024 | Giaccio | 0–1 | Buenafe Moya | Round 4: Giaccio, Alfredo - Buenafe Moya, Javier | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Aug 18, 2024 | Alberola Mulet | ½–½ | Giaccio | Round 3: Alberola Mulet, Benjamin - Giaccio, Alfredo | Indian Defense | |
| Aug 18, 2024 | Giaccio | 1–0 | Pradas Soria | Round 2: Giaccio, Alfredo - Pradas Soria, Ernesto | Sicilian Defense: Najdorf Variation | |
| Aug 18, 2024 | Yanston | 0–1 | Giaccio | Round 1: Yanston, Kseniia - Giaccio, Alfredo | French Defense: Tarrasch Variation, Modern System | |
| Jul 1, 2024 | Giaccio | ½–½ | Exposito Milan | Round 9: Giaccio, Alfredo - Exposito Milan, Adrian | Sicilian Defense: Modern Variations | |
| Jul 1, 2024 | Valle Luis | ½–½ | Giaccio | Round 8: Valle Luis, Leo - Giaccio, Alfredo | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 1, 2024 | Giaccio | ½–½ | Villa Tornero | Round 7: Giaccio, Alfredo - Villa Tornero, Alex | Sicilian Defense: Kan Variation, Modern Variation | |
| Jul 1, 2024 | Marin Ferragut | ½–½ | Giaccio | Round 6: Marin Ferragut, Pau - Giaccio, Alfredo | Sicilian Defense: Old Sicilian | |
| Jul 1, 2024 | Giaccio | 1–0 | Valle Maytin | Round 5: Giaccio, Alfredo - Valle Maytin, Luis Enrique | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jul 1, 2024 | Docampo Beltran | 1–0 | Giaccio | Round 4: Docampo Beltran, Dexter - Giaccio, Alfredo | French Defense: Exchange Variation | |
| Jul 1, 2024 | Giaccio | ½–½ | Cruz | Round 3: Giaccio, Alfredo - Cruz, Filemon | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Jul 1, 2024 | Uber Gracia | ½–½ | Giaccio | Round 1: Uber Gracia, Hugo - Giaccio, Alfredo | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Jun 30, 2024 | Cruz | ½–½ | Giaccio | Round 2: Cruz, Jonathan - Giaccio, Alfredo | Yusupov-Rubinstein System | |
| Jun 16, 2024 | Giaccio | 1–0 | Torres Sanchez | Round 7: Giaccio, Alfredo - Torres Sanchez, Jose | Alekhine Defense: Exchange Variation, Voronezh Variation | |
| Jun 16, 2024 | Centron Antuna | ½–½ | Giaccio | Round 6: Centron Antuna, Daniel - Giaccio, Alfredo | French Defense: Schlechter Variation | |
| Jun 15, 2024 | Giaccio | 1–0 | Buchicchio | Round 5: Giaccio, Alfredo - Buchicchio, Giampaolo | Sicilian Defense: Four Knights Variation | |
| Jun 15, 2024 | Kovacevic | ½–½ | Giaccio | Round 4: Kovacevic, Slobodan - Giaccio, Alfredo | Queen's Pawn Game: London System, with e6 | |
| Jun 15, 2024 | Giaccio | 1–0 | Garcia Ramos | Round 3: Giaccio, Alfredo - Garcia Ramos, Marcos | Sicilian Defense: Kalashnikov Variation | |
| Jun 14, 2024 | Silva Martinez Del Canizo | 0–1 | Giaccio | Round 2: Silva Martinez Del Canizo, Sebastian - Giaccio, Alfredo | French Defense: Advance Variation, Euwe Variation | |
| Jun 14, 2024 | Giaccio | 1–0 | Alcaniz Perez | Round 1: Giaccio, Alfredo - Alcaniz Perez, Javier | Sicilian Defense: Najdorf Variation | |
| Aug 23, 2024 | Giaccio | ½–½ | Cruz | Round 8: Giaccio, Alfredo - Cruz, Jonathan | Petrov's Defense: Cozio Attack | |
| Aug 23, 2024 | Uber Gracia | ½–½ | Giaccio | Round 9: Uber Gracia, Hugo - Giaccio, Alfredo | French Defense: Exchange Variation | |
| Aug 22, 2024 | Giaccio | ½–½ | Galiana Fernandez | Round 6: Giaccio, Alfredo - Galiana Fernandez, Adrian | Sicilian Defense: Najdorf Variation | |
| Aug 22, 2024 | Anguera Staina | 1–0 | Giaccio | Round 7: Anguera Staina, Maxim - Giaccio, Alfredo | King's Indian Attack: Double Fianchetto | |
| Aug 21, 2024 | Giaccio | ½–½ | Docampo Beltran | Round 5: Giaccio, Alfredo - Docampo Beltran, Dexter | Lion Defense: Lion's Jaw | |
| Aug 21, 2024 | Donate Moreno | 0–1 | Giaccio | Round 4: Donate Moreno, Silvia - Giaccio, Alfredo | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 20, 2024 | Giaccio | ½–½ | Luque Saiz | Round 3: Giaccio, Alfredo - Luque Saiz, Andres | Caro-Kann Defense: Classical Variation | |
| Aug 20, 2024 | Horcajuelo Rocamora | 1–0 | Giaccio | Round 2: Horcajuelo Rocamora, Martin - Giaccio, Alfredo | Queen's Gambit Declined: Three Knights Variation | |
| Aug 19, 2024 | Giaccio | ½–½ | Cruz | Round 1: Giaccio, Alfredo - Cruz, Filemon | English Opening: Symmetrical Variation, Botvinnik System | |
| Sep 4, 2022 | Giaccio | ½–½ | Cruz Lledo | Montserrat Open 2022 | Caro-Kann Defense: Tartakower Variation | |
| Sep 3, 2022 | Giaccio | 1–0 | Sos Andreu | Montserrat Open 2022 | Caro-Kann Defense: Classical Variation | |
| Sep 3, 2022 | Granero Roca | ½–½ | Giaccio | Montserrat Open 2022 | Réti Opening | |
| Sep 2, 2022 | Gimenez Saiz | 0–1 | Giaccio | Montserrat Open 2022 | Horwitz Defense | |
| Sep 1, 2022 | Giaccio | 1–0 | Pradas Soria | Montserrat Open 2022 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Aug 31, 2022 | Gavarrete | 1–0 | Giaccio | Montserrat Open 2022 | Zukertort Opening: Nimzo-Larsen Variation | |
| Aug 30, 2022 | Giaccio | ½–½ | Gavarrete | Montserrat Open 2022 | Petrov's Defense: Kaufmann Attack | |
| Aug 30, 2022 | Gonzalez Lopez | 0–1 | Giaccio | Montserrat Open 2022 | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Aug 29, 2022 | Giaccio | 1–0 | Parreno Banuls | Montserrat Open 2022 | French Defense: Rubinstein Variation, Kasparov Attack | |
| — | Giaccio | 1–0 | Pradas Soria | Round 1: Giaccio, Alfredo - Pradas Soria, Ernesto | King's Indian Defense: Makogonov Variation | |
| — | Giaccio | ½–½ | Granero Roca | Round 5: Giaccio, Alfredo - Granero Roca, Antonio | Four Knights Game: Scotch Variation Accepted | |
| — | Giaccio | 1–0 | Perez Travieso | Round 7: Giaccio, Alfredo - Perez Travieso, Saul | Nimzo-Indian Defense: Rubinstein System | |
| — | Morello Ostos | ½–½ | Giaccio | Round 2: Morello Ostos, Domingo - Giaccio, Alfredo | French Defense: King's Indian Attack | |
| — | Yuste Valenzuela | ½–½ | Giaccio | Round 4: Yuste Valenzuela, Alejandro - Giaccio, Alfredo | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| — | Juan Mas | 0–1 | Giaccio | Round 6: Juan Mas, Santiago - Giaccio, Alfredo | French Defense: Tarrasch Variation, Modern System | |
| — | Perez Epinin | ½–½ | Giaccio | Round 8: Perez Epinin, Gines - Giaccio, Alfredo | Slav Defense: Exchange Variation, Symmetrical Line | |
| — | Martinez Villena | 1–0 | Giaccio | Round 9: Martinez Villena, David - Giaccio, Alfredo | French Defense: Winawer Variation, Portisch-Hook Variation | |
