| May 27, 2026 | Narva | 1–0 | Francisco Guecamburu | rated blitz game | King's Pawn Game | |
| May 27, 2026 | Francisco Guecamburu | 0–1 | Narva | rated blitz game | ? | |
| May 27, 2026 | Narva | 1–0 | Francisco Guecamburu | rated blitz game | King's Pawn Game | |
| Apr 5, 2026 | Francisco Guecamburu | 1–0 | Aliaga Fernandez | Round 9: Francisco Guecamburu, Candela Be - Aliaga Fernandez, Ingrid Y | Sicilian Defense: Najdorf Variation | |
| Apr 4, 2026 | Gomez Gonzales | 0–1 | Francisco Guecamburu | Round 8: Gomez Gonzales, Fabiana - Francisco Guecamburu, Candela Be | Sicilian Defense: Delayed Alapin Variation | |
| Apr 4, 2026 | Mollo Figueroa | ½–½ | Francisco Guecamburu | Round 6: Mollo Figueroa, Nicole - Francisco Guecamburu, Candela Be | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Apr 4, 2026 | Francisco Guecamburu | 0–1 | Jimenez Salas | Round 7: Francisco Guecamburu, Candela Be - Jimenez Salas, Maria Teresa | Sicilian Defense: Najdorf Variation | |
| Apr 2, 2026 | Francisco Guecamburu | 1–0 | Vidyarthi | Round 5: Francisco Guecamburu, Candela Be - Vidyarthi, Omya | Italian Game: Classical Variation, Greco Gambit, Dubov Italian | |
| Apr 2, 2026 | Miller | ½–½ | Francisco Guecamburu | Round 4: Miller, Rachel - Francisco Guecamburu, Candela Be | Sicilian Defense: Smith-Morra Gambit | |
| Apr 1, 2026 | Francisco Guecamburu | 1–0 | Heredia Serrano | Round 3: Francisco Guecamburu, Candela Be - Heredia Serrano, Carla | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Mar 31, 2026 | Obregon Garcia | ½–½ | Francisco Guecamburu | Round 2: Obregon Garcia, Roxangel - Francisco Guecamburu, Candela Be | Ruy Lopez: Fianchetto Defense | |
| Mar 31, 2026 | Francisco Guecamburu | ½–½ | Acuna Alarcon | Round 1: Francisco Guecamburu, Candela Be - Acuna Alarcon, Claudia Micaela | Sicilian Defense: Najdorf Variation | |
| Dec 30, 2025 | Nomin-Erdene | 1–0 | Francisco Guecamburu | World Blitz 2025 Women | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Dec 30, 2025 | Francisco Guecamburu | 0–1 | Khafizova | World Blitz 2025 Women | Four Knights Game: Spanish Variation, Nimzowitsch Variation | |
| Dec 30, 2025 | Zhu | 1–0 | Francisco Guecamburu | World Blitz 2025 Women | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Dec 30, 2025 | Francisco Guecamburu | 0–1 | Muzychuk | World Blitz 2025 Women | Scotch Game: Scotch Gambit, Advance Variation | |
| Dec 30, 2025 | Muzychuk | 0–1 | Francisco Guecamburu | World Blitz 2025 Women | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Dec 29, 2025 | Francisco Guecamburu | 0–1 | Roebers | World Blitz 2025 Women | Sicilian Defense: Old Sicilian | |
| Dec 29, 2025 | Francisco Guecamburu | 1–0 | Lei | World Blitz 2025 Women | French Defense: Classical Variation | |
| Dec 29, 2025 | Omonova | 1–0 | Francisco Guecamburu | World Blitz 2025 Women | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 29, 2025 | Francisco Guecamburu | 1–0 | Danielian | World Blitz 2025 Women | Alekhine Defense: Modern Variation, Schmid Variation | |
| Dec 29, 2025 | Garifullina | 0–1 | Francisco Guecamburu | World Blitz 2025 Women | Ruy Lopez: Fianchetto Defense | |
| Dec 29, 2025 | Francisco Guecamburu | 1–0 | Zhapova | World Blitz 2025 Women | Italian Game: Scotch Gambit, Max Lange Attack | |
| Dec 29, 2025 | Jarocka | 0–1 | Francisco Guecamburu | World Blitz 2025 Women | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 29, 2025 | Francisco Guecamburu | 0–1 | Lagno | World Blitz 2025 Women | Scotch Game: Scotch Gambit, Advance Variation | |
| Dec 29, 2025 | Kirtadze | 0–1 | Francisco Guecamburu | World Blitz 2025 Women | Ruy Lopez: Fianchetto Defense | |
| Dec 28, 2025 | Francisco Guecamburu | 1–0 | Li | World Blitz 2025 Women | Sicilian Defense: Moscow Variation | |
| Dec 28, 2025 | Nurman | 0–1 | Francisco Guecamburu | WRBC 2025 Rapid Women | Ruy Lopez: Fianchetto Defense | |
| Dec 28, 2025 | Francisco Guecamburu | 1–0 | Mammadova | WRBC 2025 Rapid Women | French Defense: Classical Variation, Burn Variation, Main Line | |
| Dec 28, 2025 | Maltsevskaya | 1–0 | Francisco Guecamburu | WRBC 2025 Rapid Women | Vienna Game: Stanley Variation, Monster Declined | |
| Dec 27, 2025 | Francisco Guecamburu | 1–0 | Nomin-Erdene | WRBC 2025 Rapid Women | French Defense: Tarrasch Variation, Morozevich Variation | |
| Dec 27, 2025 | Karimova | 0–1 | Francisco Guecamburu | WRBC 2025 Rapid Women | Sicilian Defense: Najdorf Variation | |
| Dec 27, 2025 | Francisco Guecamburu | 1–0 | Jimenez Fernandez | WRBC 2025 Rapid Women | Sicilian Defense: Old Sicilian | |
| Dec 27, 2025 | Dwilewicz | 1–0 | Francisco Guecamburu | WRBC 2025 Rapid Women | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Dec 26, 2025 | Francisco Guecamburu | 0–1 | Vantika Agrawal | WRBC 2025 Rapid Women | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Dec 26, 2025 | Salimova | 1–0 | Francisco Guecamburu | WRBC 2025 Rapid Women | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| Dec 26, 2025 | Francisco Guecamburu | ½–½ | Krush | WRBC 2025 Rapid Women | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Dec 26, 2025 | Roebers | 0–1 | Francisco Guecamburu | WRBC 2025 Rapid Women | Sicilian Defense: Najdorf Variation | |
| Dec 5, 2025 | Francisco Guecamburu | ½–½ | Tristan | Round 11: Francisco Guecamburu, Candela Be - Tristan, Leonardo | Italian Game: Classical Variation, Center Attack | |
| Dec 3, 2025 | Dolezal | ½–½ | Francisco Guecamburu | Round 9: Dolezal, Cristian - Francisco Guecamburu, Candela Be | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Dec 2, 2025 | Francisco Guecamburu | 0–1 | Valerga | Round 8: Francisco Guecamburu, Candela Be - Valerga, Diego | Sicilian Defense: Scheveningen Variation | |
| Dec 1, 2025 | Villanueva | ½–½ | Francisco Guecamburu | Round 7: Villanueva, Mario - Francisco Guecamburu, Candela Be | Sicilian Defense: Najdorf Variation, English Attack | |
| Nov 30, 2025 | Francisco Guecamburu | 0–1 | Acosta | Round 6: Francisco Guecamburu, Candela Be - Acosta, Pablo Ismael | French Defense: Tarrasch Variation, Pawn Center Variation | |
| Nov 29, 2025 | Flores | 1–0 | Francisco Guecamburu | Round 5: Flores, Diego - Francisco Guecamburu, Candela Be | Zukertort Opening | |
| Nov 28, 2025 | Francisco Guecamburu | 0–1 | Oro | Round 4: Francisco Guecamburu, Candela Be - Oro, Faustino | Sicilian Defense: Richter-Rauzer Variation | |
| Nov 27, 2025 | Villca | 1–0 | Francisco Guecamburu | Round 3: Villca, Julian - Francisco Guecamburu, Candela Be | Queen's Pawn Game: Accelerated London System | |
| Nov 26, 2025 | Francisco Guecamburu | 1–0 | Barrionuevo | Round 2: Francisco Guecamburu, Candela Be - Barrionuevo, Pablo | Pirc Defense | |
| Nov 25, 2025 | Gomez | 1–0 | Francisco Guecamburu | Round 1: Gomez, Carlos David - Francisco Guecamburu, Candela Be | Sicilian Defense: Delayed Alapin Variation | |
| Nov 24, 2025 | Perez Ponsa | 1–0 | Francisco Guecamburu | Round 10: Perez Ponsa, Federico - Francisco Guecamburu, Candela Be | Queen's Gambit Accepted | |
| Sep 20, 2025 | Ravelo Gil | ½–½ | Francisco Guecamburu | Round 9: Ravelo Gil, Eddy - Francisco Guecamburu, Candela Be | Sicilian Defense: Delayed Alapin Variation | |
| Sep 19, 2025 | Francisco Guecamburu | ½–½ | Blanco Ronquillo | Round 8: Francisco Guecamburu, Candela Be - Blanco Ronquillo, Humberto L. | Italian Game: Scotch Gambit, Max Lange Attack | |
| Sep 19, 2025 | Bassan Noriega | ½–½ | Francisco Guecamburu | Round 7: Bassan Noriega, Remo Enrique - Francisco Guecamburu, Candela Be | King's Indian Attack: Sicilian Variation | |
| Sep 18, 2025 | Francisco Guecamburu | 1–0 | Vivas Gelves | Round 6: Francisco Guecamburu, Candela Be - Vivas Gelves, Mauricio Jose | King's Indian Defense: Normal Variation | |
| Sep 18, 2025 | Castro Torres | 1–0 | Francisco Guecamburu | Round 5: Castro Torres, Jose Luis - Francisco Guecamburu, Candela Be | Ruy Lopez: Fianchetto Defense | |
| Sep 17, 2025 | Francisco Guecamburu | ½–½ | Casares Ugueto | Round 4: Francisco Guecamburu, Candela Be - Casares Ugueto, Santiago de Jesus | Caro-Kann Defense: Exchange Variation | |
| Sep 17, 2025 | Gutierrez Anaya | 0–1 | Francisco Guecamburu | Round 3: Gutierrez Anaya, Yeison Joel - Francisco Guecamburu, Candela Be | Caro-Kann Defense | |
| Sep 16, 2025 | Francisco Guecamburu | ½–½ | Jaramillo Lopez | Round 2: Francisco Guecamburu, Candela Be - Jaramillo Lopez, Ali Aaron | Sicilian Defense: Old Sicilian | |
| Sep 16, 2025 | Otazo Sanchez | ½–½ | Francisco Guecamburu | Round 1: Otazo Sanchez, Annyd Gabriela - Francisco Guecamburu, Candela Be | Sicilian Defense: Delayed Alapin Variation | |
| Jul 7, 2025 | Gao | 0–1 | Francisco Guecamburu | Women's World Cup 2025 | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jul 5, 2025 | Francisco Guecamburu | ½–½ | Gao | Women's World Cup 2025 | Sicilian Defense: Lasker-Pelikan Variation | |
| Jul 1, 2025 | Francisco Guecamburu | 0–1 | Lei | Women's World Cup 2025 | French Defense: Classical Variation, Burn Variation | |
| Jul 1, 2025 | Lei | 1–0 | Francisco Guecamburu | Women's World Cup 2025 | English Opening: Symmetrical Variation | |
| Jun 19, 2025 | Melian | ½–½ | Francisco Guecamburu | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 18, 2025 | Francisco Guecamburu | ½–½ | Martinez Flores | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Moscow Variation | |
| Jun 18, 2025 | Huallpa Fernandez | ½–½ | Francisco Guecamburu | U20 Pan American Chess Championship OPEN 2025 | Nimzo-Indian Defense: Rubinstein System | |
| Jun 17, 2025 | Francisco Guecamburu | 1–0 | Navarro Canete | U20 Pan American Chess Championship OPEN 2025 | King's Indian Defense: Makogonov Variation | |
| Jun 16, 2025 | Francisco Guecamburu | ½–½ | Sifuentes Alcantara | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 16, 2025 | Vinales Gonzalez | 1–0 | Francisco Guecamburu | U20 Pan American Chess Championship OPEN 2025 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jun 15, 2025 | Torales G. | ½–½ | Francisco Guecamburu | U20 Pan American Chess Championship OPEN 2025 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Jun 14, 2025 | Francisco Guecamburu | 0–1 | Chasin | Pana U20 | Sicilian Defense: Richter-Rauzer Variation | |
| May 5, 2025 | Miranda Llanes | 0–1 | Francisco Guecamburu | Ronda 7: Miranda Llanes, Yerisbel - Francisco Guecamburu, Candela Be | Marienbad System | |
| May 4, 2025 | Francisco Guecamburu | 1–0 | Jaramillo Rivadeneira | Ronda 6: Francisco Guecamburu, Candela Be - Jaramillo Rivadeneira, Kerly Samantha | Scandinavian Defense: Main Line, Mieses Variation | |
| May 3, 2025 | Li | ½–½ | Francisco Guecamburu | Ronda 5: Li, Yunshan - Francisco Guecamburu, Candela Be | English Defense | |
| May 3, 2025 | Francisco Guecamburu | 1–0 | Ortiz Verdezoto | Ronda 4: Francisco Guecamburu, Candela Be - Ortiz Verdezoto, Anahi | Ruy Lopez: Morphy Defense, Wing Attack | |
| Apr 28, 2025 | Arribas Robaina | 0–1 | Francisco Guecamburu | Ronda 9: Arribas Robaina, Maritza - Francisco Guecamburu, Candela Be | Ruy Lopez: Fianchetto Defense | |
| Apr 28, 2025 | Francisco Guecamburu | ½–½ | Campos | Ronda 8: Francisco Guecamburu, Candela Be - Campos, Maria Jose | Rapport-Jobava System | |
| Apr 28, 2025 | Jimenez Salas | ½–½ | Francisco Guecamburu | Ronda 3: Jimenez Salas, Maria Teresa - Francisco Guecamburu, Candela Be | French Defense: Winawer Variation, Advance Variation, Moscow Variation | |
| Apr 28, 2025 | Francisco Guecamburu | 1–0 | Sanchez Tobar | Ronda 2: Francisco Guecamburu, Candela Be - Sanchez Tobar, Francisca Valenti | English Opening: Mikenas-Carls Variation | |
| Apr 28, 2025 | Hernandez Ortega | 0–1 | Francisco Guecamburu | Ronda 1: Hernandez Ortega, Carolina - Francisco Guecamburu, Candela Be | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Sep 22, 2024 | Injac | ½–½ | Francisco Guecamburu | 45th FIDE Women's Chess Olympiad | English Opening: Neo-Catalan | |
| Sep 21, 2024 | Tan | ½–½ | Francisco Guecamburu | 45th FIDE Women's Chess Olympiad | Nimzo-Indian Defense: Kmoch Variation | |
| Sep 20, 2024 | Francisco Guecamburu | 1–0 | Noshin | 45th FIDE Women's Chess Olympiad | Four Knights Game: Spanish Variation, Classical Variation | |
| Sep 19, 2024 | Arakhamia-Grant | ½–½ | Francisco Guecamburu | 45th FIDE Women's Chess Olympiad | Ruy Lopez: Fianchetto Defense | |
| Sep 18, 2024 | Francisco Guecamburu | 1–0 | Mendoza | 45th FIDE Women's Chess Olympiad | Queen's Pawn Game: Chigorin Variation | |
| Sep 16, 2024 | Francisco Guecamburu | 0–1 | Khademalsharieh | 45th FIDE Women's Chess Olympiad | Italian Game: Two Knights Defense, Polerio Defense, Bogoljubow Variation | |
| Sep 15, 2024 | Keinanen | ½–½ | Francisco Guecamburu | 45th FIDE Women's Chess Olympiad | Ruy Lopez: Cozio Defense | |
| Sep 14, 2024 | Francisco Guecamburu | ½–½ | Wagner | 45th FIDE Women's Chess Olympiad | Sicilian Defense: Modern Variations, Main Line | |
| Sep 13, 2024 | Mammadzada | ½–½ | Francisco Guecamburu | 45th FIDE Women's Chess Olympiad | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Sep 12, 2024 | Varela La Madrid | 0–1 | Francisco Guecamburu | 45th FIDE Women's Chess Olympiad | Sicilian Defense: Delayed Alapin Variation | |
| Sep 11, 2024 | Francisco Guecamburu | 1–0 | Laamim | 45th FIDE Women's Chess Olympiad | Four Knights Game: Spanish Variation | |
| Jun 29, 2024 | Castellanos Villela | ½–½ | Francisco Guecamburu | Round 9: Castellanos Villela, Alejandro - Francisco Guecamburu, Candela Be | Benoni Defense: Classical Variation, New York Variation | |
| Jun 28, 2024 | Francisco Guecamburu | 1–0 | Munoz Ramos | Round 8: Francisco Guecamburu, Candela Be - Munoz Ramos, Christopher | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 28, 2024 | Perez Rojas | ½–½ | Francisco Guecamburu | Round 7: Perez Rojas, Jorge - Francisco Guecamburu, Candela Be | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Jun 26, 2024 | Orrego Palermo | ½–½ | Francisco Guecamburu | Round 5: Orrego Palermo, Marcelo - Francisco Guecamburu, Candela Be | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 26, 2024 | Francisco Guecamburu | 1–0 | Miranda Camus | Round 4: Francisco Guecamburu, Candela Be - Miranda Camus, Joaquin Ignacio | Rapport-Jobava System | |
| Jun 25, 2024 | Ojeda Arevalo | 0–1 | Francisco Guecamburu | Round 3: Ojeda Arevalo, Agustin - Francisco Guecamburu, Candela Be | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 24, 2024 | Francisco Guecamburu | ½–½ | Ramirez Camilla | Round 2: Francisco Guecamburu, Candela Be - Ramirez Camilla, Agustin | Sicilian Defense: French Variation | |
| Jun 24, 2024 | Binimelis Barahona | 0–1 | Francisco Guecamburu | Round 1: Binimelis Barahona, Diego - Francisco Guecamburu, Candela Be | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jun 23, 2024 | Francisco Guecamburu | ½–½ | Soriano Quispe | Round 6: Francisco Guecamburu, Candela Be - Soriano Quispe, Ivan Excender | French Defense: Winawer Variation, Poisoned Pawn Variation, Main Line | |
| Jun 2, 2024 | Francisco Guecamburu | ½–½ | Noboa Silva | Round 11: Francisco Guecamburu, Candela Be - Noboa Silva, Kevin | Queen's Gambit Declined | |