| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Adams vs G Quillan |
 | 1-0 | 54 | 1988 | Oakham Young Masters | C05 French, Tarrasch |
| 27. G Quillan vs T Fogarasi |
| 0-1 | 45 | 1988 | Oakham Young Masters | B40 Sicilian |
| 28. A Patrat vs G Quillan |
| 1-0 | 34 | 1988 | Oakham Young Masters | C18 French, Winawer |
| 29. G Quillan vs K Buecker |
| 1-0 | 15 | 1988 | Oakham Young Masters | A07 King's Indian Attack |
| 30. G Buckley vs G Quillan |
| 0-1 | 44 | 1988 | Oakham Young Masters | A68 Benoni, Four Pawns Attack |
| 31. G Quillan vs P Rossiter |
| ½-½ | 21 | 1988 | Oakham Young Masters | A07 King's Indian Attack |
| 32. G Quillan vs P J Morris |
| 0-1 | 56 | 1988 | Oakham Young Masters | C77 Ruy Lopez |
| 33. C Ward vs G Quillan |
| ½-½ | 42 | 1988 | Oakham Young Masters | A67 Benoni, Taimanov Variation |
| 34. G Quillan vs A Dunnington |
| 0-1 | 41 | 1988 | Oakham Young Masters | A00 Uncommon Opening |
| 35. J Gallagher vs G Quillan |
| 0-1 | 40 | 1988 | British Championship | C17 French, Winawer, Advance |
| 36. G Quillan vs P Motwani |
| 0-1 | 41 | 1988 | British Championship | C67 Ruy Lopez |
| 37. C McNab vs G Quillan |
| 1-0 | 44 | 1988 | British Championship | A04 Reti Opening |
| 38. S Lalic vs G Quillan |
| 1-0 | 32 | 1988 | British Championship | C05 French, Tarrasch |
| 39. G Quillan vs P Large |
| 1-0 | 43 | 1988 | British Championship | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 40. G Quillan vs M Hebden |
| 0-1 | 41 | 1988 | British Championship | A10 English |
| 41. S Singh vs G Quillan |
| 1-0 | 27 | 1988 | British Championship | C05 French, Tarrasch |
| 42. G Crawley vs G Quillan |
| 0-1 | 36 | 1988 | British Championship | C00 French Defense |
| 43. A Sherzer vs G Quillan |
| 1-0 | 26 | 1989 | 17th World Open | C05 French, Tarrasch |
| 44. G Quillan vs R Byrne |
| ½-½ | 45 | 1989 | 17th World Open | C91 Ruy Lopez, Closed |
| 45. J Fedorowicz vs G Quillan |
| 1-0 | 30 | 1989 | 17th World Open | A40 Queen's Pawn Game |
| 46. C Iosif vs G Quillan |
| 0-1 | 35 | 1990 | Oakham Young Masters | C19 French, Winawer, Advance |
| 47. G Quillan vs M Maric |
| 1-0 | 52 | 1990 | Oakham Young Masters | C42 Petrov Defense |
| 48. D Kumaran vs G Quillan |
| ½-½ | 45 | 1990 | Oakham Young Masters | C41 Philidor Defense |
| 49. A Fishbein vs G Quillan |
| 0-1 | 63 | 1990 | Oakham Young Masters | C41 Philidor Defense |
| 50. I Manor vs G Quillan |
| 1-0 | 46 | 1990 | Oakham Young Masters | A46 Queen's Pawn Game |
Kibitzing
