| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. G O'Toole vs S Meenakshi |
| 0-1 | 49 |
2004 |
Gibraltar Masters | B06 Robatsch |
| 2. P Williams vs G O'Toole |
 | 0-1 | 25 |
2004 |
Gibraltar Masters | C89 Ruy Lopez, Marshall |
| 3. G O'Toole vs L Elamri |
| 1-0 | 37 |
2004 |
Gibraltar Masters | C44 King's Pawn Game |
| 4. G O'Toole vs N Hutchinson |
| 0-1 | 35 |
2006 |
Hastings Chess Congress | B10 Caro-Kann |
| 5. D Haydon vs G O'Toole |
| 0-1 | 51 |
2006 |
Hastings Chess Congress | C86 Ruy Lopez, Worrall Attack |
| 6. G O'Toole vs N Dennis |
| ½-½ | 57 |
2006 |
Hastings Chess Congress | C02 French, Advance |
| 7. D Fryer vs G O'Toole |
| 1-0 | 30 |
2006 |
Hastings Chess Congress | C28 Vienna Game |
| 8. P Goldsworthy vs G O'Toole |
| 1-0 | 29 |
2006 |
Hastings Chess Congress | A14 English |
| 9. G O'Toole vs O Jackson |
| 0-1 | 31 |
2006 |
Hastings Chess Congress | B22 Sicilian, Alapin |
| 10. J Hickman vs G O'Toole |
| 0-1 | 58 |
2006 |
Hastings Chess Congress | C84 Ruy Lopez, Closed |
| 11. E Auckland vs G O'Toole |
| ½-½ | 11 |
2007 |
Hastings Chess Congress | D37 Queen's Gambit Declined |
| 12. A Milnes vs G O'Toole |
| 0-1 | 50 |
2007 |
83rd Hastings Chess Congress | C39 King's Gambit Accepted |
| 13. G O'Toole vs J Humphreys |
| 0-1 | 25 |
2007 |
Hastings Chess Congress | B22 Sicilian, Alapin |
| 14. G O'Toole vs J Macrae |
| 1-0 | 29 |
2007 |
83rd Hastings Chess Congress | B10 Caro-Kann |
| 15. R Eames vs G O'Toole |
| 1-0 | 59 |
2007 |
83rd Hastings Chess Congress | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 16. G O'Toole vs A Hagesaether |
| 0-1 | 32 |
2007 |
83rd Hastings Chess Congress | B10 Caro-Kann |
| 17. G O'Toole vs G Lock |
 | 0-1 | 36 |
2008 |
83rd Hastings Chess Congress | A96 Dutch, Classical Variation |
| 18. J Bernard vs G O'Toole |
| ½-½ | 38 |
2008 |
Hastings Chess Congress | C84 Ruy Lopez, Closed |
| 19. G Dickson vs G O'Toole |
| 0-1 | 38 |
2008 |
83rd Hastings Chess Congress | C39 King's Gambit Accepted |
| 20. G O'Toole vs F J Kwiatkowski |
| ½-½ | 40 |
2008 |
Hastings Chess Congress | B22 Sicilian, Alapin |
| 21. G O'Toole vs T Kreiter |
 | 1-0 | 46 |
2008 |
83rd Hastings Chess Congress | C42 Petrov Defense |
| 22. A Hagesaether vs G O'Toole |
| ½-½ | 31 |
2008 |
Hastings Chess Congress | C84 Ruy Lopez, Closed |
| 23. S Fruteau vs G O'Toole |
| 1-0 | 32 |
2008 |
83rd Hastings Chess Congress | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 24. R Norinkeviciute vs G O'Toole |
| 0-1 | 35 |
2008 |
83rd Hastings Chess Congress | A26 English |
| 25. G O'Toole vs E Gurbanzade |
| 0-1 | 27 |
2008 |
83rd Hastings Chess Congress | B22 Sicilian, Alapin |