| Jun 27, 2021 | Francisco Guecamburu | 1–0 | Nakabo | Queen’s Chess Festival - Team Final - Team final | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 27, 2021 | Francisco Guecamburu | 1–0 | Masaiti | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 27, 2021 | Francisco Guecamburu | 1–0 | Karenza | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 27, 2021 | Francisco Guecamburu | 1–0 | R | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 27, 2021 | Francisco Guecamburu | 1–0 | Varney | Queen’s Chess Festival - Team Final - Team final | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jun 27, 2021 | Esadze | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 27, 2021 | Chang | 1–0 | Francisco Guecamburu | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 27, 2021 | Cassidy Maina | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - Team Final - Team final | Sicilian Defense: McDonnell Attack | |
| Jun 27, 2021 | Ortiz | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - Team Final - Team final | Benoni Defense: Four Pawns Attack | |
| Jun 26, 2021 | Francisco Guecamburu | 1–0 | Hryshchenko | Queen’s Chess Festival - Individual Final - Category B | Modern Defense: Standard Defense | |
| Jun 26, 2021 | Francisco Guecamburu | 0–1 | Head | Queen’s Chess Festival - Individual Final - Category B | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 26, 2021 | Francisco Guecamburu | ½–½ | Chang | Queen’s Chess Festival - Individual Final - Category B | French Defense: Rubinstein Variation | |
| Jun 26, 2021 | Francisco Guecamburu | 1–0 | Koridze | Queen’s Chess Festival - Individual Final - Category B | Sicilian Defense: Moscow Variation | |
| Jun 26, 2021 | Francisco Guecamburu | 0–1 | R | Queen’s Chess Festival - Individual Final - Category B | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 26, 2021 | Zhang | ½–½ | Francisco Guecamburu | Queen’s Chess Festival - Individual Final - Category B | Benoni Defense: Classical Variation, Czerniak Defense | |
| Jun 26, 2021 | Hng | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - Individual Final - Category B | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Jun 26, 2021 | Franco | 1–0 | Francisco Guecamburu | Queen’s Chess Festival - Individual Final - Category B | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 26, 2021 | Amoko | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - Individual Final - Category B | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 20, 2021 | Francisco Guecamburu | ½–½ | Garcia | Queen’s Chess Festival - America - Category B | French Defense: Winawer Variation, Bogoljubow Variation | |
| Jun 20, 2021 | Francisco Guecamburu | 1–0 | Rovira Contreras | Queen’s Chess Festival - America - Category B | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jun 20, 2021 | Francisco Guecamburu | 1–0 | Chang | Queen’s Chess Festival - America - Category B | Sicilian Defense: Taimanov Variation, Modern Line | |
| Jun 20, 2021 | Francisco Guecamburu | 1–0 | Amelia | Queen’s Chess Festival - America - Category B | Sicilian Defense: Moscow Variation | |
| Jun 20, 2021 | Francisco Guecamburu | 1–0 | Cordero | Queen’s Chess Festival - America - Category B | French Defense: MacCutcheon Variation, Exchange Variation | |
| Jun 20, 2021 | Bravo Mallco | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - America - Category B | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 20, 2021 | Ortiz | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - America - Category B | Benoni Defense: King's Pawn Line | |
| Jun 20, 2021 | Franco | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - America - Category B | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 20, 2021 | Peñafiel | 0–1 | Francisco Guecamburu | Queen’s Chess Festival - America - Category B | Benoni Defense: Taimanov Variation | |
