| Apr 3, 2026 | Viudes Serra | 1–0 | Sanchez Negreiros | X Open Semana Santa 2026 - Grupo B | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Sep 28, 2025 | Sanchez Negreiros | ½–½ | Rojas Raraz | Round 13: Sanchez Negreiros, Alejandro Gustavo - Rojas Raraz, John Arick | French Defense: Exchange Variation | |
| Sep 28, 2025 | Sanchez Negreiros | 0–1 | Moscoso Tellez | Round 12: Sanchez Negreiros, Alejandro Gustavo - Moscoso Tellez, Joe Goldtie Marshall | Sicilian Defense: Classical Variation | |
| Sep 28, 2025 | Daza Atencia | 0–1 | Sanchez Negreiros | Round 11: Daza Atencia, Mathias David - Sanchez Negreiros, Alejandro Gustavo | French Defense: Advance Variation, Nimzowitsch System | |
| Sep 28, 2025 | Mendoza Alata | 1–0 | Sanchez Negreiros | Round 10: Mendoza Alata, Victor Gabriel - Sanchez Negreiros, Alejandro Gustavo | French Defense: Schlechter Variation | |
| Sep 28, 2025 | Sanchez Negreiros | ½–½ | Morante Bautista | Round 8: Sanchez Negreiros, Alejandro Gustavo - Morante Bautista, Tiago Daniel | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Sep 27, 2025 | Urpeque Guzman | 1–0 | Sanchez Negreiros | Round 7: Urpeque Guzman, Zayaka Isabel - Sanchez Negreiros, Alejandro Gustavo | French Defense: King's Indian Attack | |
| Sep 27, 2025 | Sardon Aragon Alejandro Ulysses | ½–½ | Sanchez Negreiros | Round 6: Sardon Aragon Alejandro Ulysses - Sanchez Negreiros, Alejandro Gustavo | French Defense: Steiner Variation | |
| Sep 27, 2025 | Sanchez Negreiros | 0–1 | Cano Alcaraz | Round 5: Sanchez Negreiros, Alejandro Gustavo - Cano Alcaraz, Juan Jose | Ruy Lopez: Exchange Variation | |
| Sep 27, 2025 | Vilca Contreras | 1–0 | Sanchez Negreiros | Round 4: Vilca Contreras, Dante Ivan - Sanchez Negreiros, Alejandro Gustavo | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 27, 2025 | Ricaldi Ramos | 1–0 | Sanchez Negreiros | Round 2: Ricaldi Ramos, Jim Sebastian - Sanchez Negreiros, Alejandro Gustavo | Horwitz Defense | |
| Sep 27, 2025 | Sanchez Negreiros | 0–1 | Ramirez Sifuentes | Round 1: Sanchez Negreiros, Alejandro Gustavo - Ramirez Sifuentes, Luis Angel | Sicilian Defense: Najdorf Variation | |
| Sep 25, 2025 | Juica Barzola | 0–1 | Sanchez Negreiros | Round 9: Juica Barzola, Harly Efrain - Sanchez Negreiros, Alejandro Gustavo | Horwitz Defense | |
| Sep 25, 2025 | Sanchez Negreiros | 0–1 | Poma Bernal | Round 8: Sanchez Negreiros, Alejandro Gustavo - Poma Bernal, Cristian Andres | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Sep 25, 2025 | Sanchez Sanchez | 1–0 | Sanchez Negreiros | Round 7: Sanchez Sanchez, Leonardo Daniel - Sanchez Negreiros, Alejandro Gustavo | Bird Opening | |
| Sep 24, 2025 | Sanchez Negreiros | 1–0 | Bendezu Yupanqui | Round 6: Sanchez Negreiros, Alejandro Gustavo - Bendezu Yupanqui, Albert Martin | Sicilian Defense: French Variation, Normal | |
| Sep 24, 2025 | Paredes Minaya | 1–0 | Sanchez Negreiros | Round 5: Paredes Minaya, Christian Jesus - Sanchez Negreiros, Alejandro Gustavo | French Defense: Tarrasch Variation | |
| Sep 24, 2025 | Sanchez Negreiros | 1–0 | Cardoza Diaz | Round 4: Sanchez Negreiros, Alejandro Gustavo - Cardoza Diaz, Aaron | Sicilian Defense: Moscow Variation | |
| Sep 23, 2025 | Mendoza Alata | 0–1 | Sanchez Negreiros | Round 3: Mendoza Alata, Victor Gabriel - Sanchez Negreiros, Alejandro Gustavo | French Defense: Schlechter Variation | |
| Sep 23, 2025 | Sanchez Negreiros | 0–1 | Salazar Flores | Round 1: Sanchez Negreiros, Alejandro Gustavo - Salazar Flores, Yerick Alexander | ? | |
| Jan 28, 2025 | Sanchez Negreiros | 0–1 | Alfaro Zambrano | Round 1: Sanchez Negreiros, Alejandro Gustavo - Alfaro Zambrano, Luis Fabricio | French Defense: Queen's Knight | |
| Jan 28, 2025 | Quispe Santacruz | 1–0 | Sanchez Negreiros | Round 2: Quispe Santacruz, Javier - Sanchez Negreiros, Alejandro Gustavo | French Defense: Horwitz Attack | |
| Jul 29, 2024 | Sanchez Negreiros | 0–1 | Ilasaca Gaona | Round 2: Sanchez Negreiros, Alejandro Gustavo - Ilasaca Gaona, Owen Hisahito | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jul 29, 2024 | Cahuapaza Tarapaca | 1–0 | Sanchez Negreiros | Round 1: Cahuapaza Tarapaca, Leonardo - Sanchez Negreiros, Alejandro Gustavo | Horwitz Defense | |
| Aug 3, 2024 | Rafael Soria | 0–1 | Sanchez Negreiros | Round 9: Rafael Soria, Esthefano Rodrigo - Sanchez Negreiros, Alejandro Gustavo | French Defense: Exchange Variation | |
| Aug 2, 2024 | Sanchez Negreiros | 0–1 | Sanchez Sanchez | Round 8: Sanchez Negreiros, Alejandro Gustavo - Sanchez Sanchez, Leonardo Daniel | Caro-Kann Defense: Exchange Variation | |
| Aug 2, 2024 | Anticona Bocanegra | ½–½ | Sanchez Negreiros | Round 7: Anticona Bocanegra, Fabrizio Aaron - Sanchez Negreiros, Alejandro Gustavo | Nimzo-Larsen Attack | |
| Aug 1, 2024 | Sanchez Negreiros | ½–½ | Rocca Lino | Round 6: Sanchez Negreiros, Alejandro Gustavo - Rocca Lino, Rafael Antonio Enki | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 31, 2024 | Sanchez Negreiros | 1–0 | Urpeque Guzman | Round 5: Sanchez Negreiros, Alejandro Gustavo - Urpeque Guzman, Zayaka Isabel | Borg Defense | |
| Jul 31, 2024 | Nunez Castaneda | ½–½ | Sanchez Negreiros | Round 4: Nunez Castaneda, Joaquin Alonso - Sanchez Negreiros, Alejandro Gustavo | Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation | |
| Jul 30, 2024 | Sardon Aragon Alejandro Ulysses | 1–0 | Sanchez Negreiros | Round 3: Sardon Aragon Alejandro Ulysses - Sanchez Negreiros, Alejandro Gustavo | French Defense: Tarrasch Variation | |
