| Feb 1, 2026 | Millward | 1–0 | Gallagher | Sligo 2026 Weekender Masters | Indian Defense: Accelerated London System | |
| Feb 1, 2026 | Gallagher | 0–1 | Gulljord | Sligo 2026 Weekender Masters | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 2, 2025 | Putar | 1–0 | Gallagher | Round 6: Putar, Slavko - Gallagher, Brian | Catalan Opening: Open Defense | |
| Jun 2, 2025 | Woods | ½–½ | Gallagher | Round 5: Woods, Yannick - Gallagher, Brian | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Jun 1, 2025 | Gallagher | 0–1 | Cummins | Round 4: Gallagher, Brian - Cummins, Sean | Sicilian Defense: Najdorf Variation, Main Line | |
| Jun 1, 2025 | O`cuilleanain | 1–0 | Gallagher | Round 3: O`cuilleanain, Oisin - Gallagher, Brian | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| May 31, 2025 | Gallagher | 0–1 | Daly | Round 2: Gallagher, Brian - Daly, Colm | Sicilian Defense: Taimanov Variation, Normal Variation | |
| May 30, 2025 | Gallagher | 1–0 | Ivanov | Round 1: Gallagher, Brian - Ivanov, Andrey A. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 2, 2025 | Gallagher | 0–1 | Menon | The Sligo Tournament 2025 - Masters | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Feb 2, 2025 | ORourke | 1–0 | Gallagher | The Sligo Tournament 2025 - Masters | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Feb 1, 2025 | Gallagher | ½–½ | Bartczak | The Sligo Tournament 2025 - Masters | Scotch Game: Classical Variation | |
| Feb 1, 2025 | Duke | 1–0 | Gallagher | The Sligo Tournament 2025 - Masters | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Jan 31, 2025 | O`Neill | 1–0 | Gallagher | The Sligo Tournament 2025 - Masters | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 1, 2024 | Flynn | 1–0 | Gallagher | Round 7: Flynn, Jacob - Gallagher, Brian | Catalan Opening: Open Defense | |
| Apr 1, 2024 | Gallagher | 1–0 | Cullen | Round 6: Gallagher, Brian - Cullen, Sean | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Mar 31, 2024 | Gallagher | 0–1 | Ivanov | Round 4: Gallagher, Brian - Ivanov, Andrey A. | Sicilian Defense: Hyperaccelerated Fianchetto | |
