| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Adams vs G Quillan |
| 1-0 | 54 |
1988 |
Oakham | C05 French, Tarrasch |
| 2. Sherzer vs G Quillan |
| 1-0 | 26 |
1989 |
It (open) | C05 French, Tarrasch |
| 3. Anand vs G Quillan |
 | 1-0 | 39 |
1990 |
Prestwich | C19 French, Winawer, Advance |
| 4. S Kristjansson vs G Quillan |
| ½-½ | 7 |
2005 |
Gibraltar Masters | C01 French, Exchange |
| 5. Lahno vs G Quillan |
| ½-½ | 38 |
2005 |
Gibraltar Masters | C18 French, Winawer |
| 6. D Gormally vs G Quillan |
| 1-0 | 21 |
2005 |
Gibraltar Masters | C05 French, Tarrasch |
| 7. K Spraggett vs G Quillan |
| 1-0 | 43 |
2006 |
Gibtelecom Chess Festival | C18 French, Winawer |
| 8. I Lauterbach vs G Quillan |
| 0-1 | 50 |
2006 |
European Union Individual Championships | C00 French Defense |
| 9. D King vs G Quillan |
| ½-½ | 29 |
2006 |
Wijk aan Zee | C02 French, Advance |
| 10. A Fellousi vs G Quillan |
| 0-1 | 33 |
2006 |
Gibtelecom Chess Festival | C02 French, Advance |
| 11. A G Nimmy vs G Quillan |
| 1-0 | 32 |
2006 |
Gibtelecom Chess Festival | C01 French, Exchange |
| 12. A Walton vs G Quillan |
| ½-½ | 47 |
2006 |
Gibtelecom Chess Festival | C01 French, Exchange |
| 13. D Tebb vs G Quillan |
| 0-1 | 41 |
2006 |
European Union Individual Championships | C18 French, Winawer |
| 14. P Saint-Amand vs G Quillan |
| 0-1 | 68 |
2007 |
5th Gibraltar Chess Festival | C06 French, Tarrasch |
| 15. A S Dekker vs G Quillan |
| 0-1 | 30 |
2007 |
5th Gibraltar Chess Festival | C18 French, Winawer |
| 16. S Sulskis vs G Quillan |
| ½-½ | 30 |
2007 |
5th Gibraltar Chess Festival | C18 French, Winawer |
| 17. F Lindsoe vs G Quillan |
| 0-1 | 72 |
2008 |
Gibraltar | C19 French, Winawer, Advance |
| 18. B Arvola vs G Quillan |
| ½-½ | 57 |
2008 |
Gibraltar | C02 French, Advance |
| 19. K Arakhamia-Grant vs G Quillan |
| 1-0 | 44 |
2009 |
Gibtelecom | C19 French, Winawer, Advance |
| 20. C Sandipan vs G Quillan |
| 1-0 | 35 |
2009 |
Gibtelecom | C02 French, Advance |