| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. D Collier vs A Phillips |
| 0-1 | 33 | 1968 | Churchill Memorial Open | C84 Ruy Lopez, Closed |
| 2. B Barth Sahl vs D Collier |
| 1-0 | 31 | 1985 | Guernsey Open | E11 Bogo-Indian Defense |
| 3. D Collier vs N Regan |
| 1-0 | 42 | 1993 | 4NCL (GBR-chT 9394) | E81 King's Indian, Samisch |
| 4. D Collier vs M J Freeman |
| 0-1 | 38 | 1995 | Frome Open | D00 Queen's Pawn Game |
| 5. D Norwood vs D Collier |
| 1-0 | 32 | 1996 | Isle of Man Open | A36 English |
| 6. D Collier vs G Buckley |
| 0-1 | 53 | 1996 | Isle of Man Open | A45 Queen's Pawn Game |
| 7. B Kelly vs D Collier |
| 1-0 | 42 | 1998 | BCF-chT 9798 (4NCL) | E38 Nimzo-Indian, Classical, 4...c5 |
| 8. D Collier vs M Jeffries |
| ½-½ | 53 | 2001 | BCF-chT2 0001 (4NCL) | A45 Queen's Pawn Game |
| 9. D Collier vs N Davies |
| 0-1 | 34 | 2001 | BCF-chT2 2000/01 (4NCL) | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 10. D Collier vs A P Smith |
 | 1-0 | 40 | 2001 | 4NCL | A45 Queen's Pawn Game |
| 11. E Bamber vs D Collier |
| ½-½ | 26 | 2001 | 4NCL | B23 Sicilian, Closed |
| 12. P Popovic vs D Collier |
| 1-0 | 44 | 2002 | European Club Cup | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 13. D Kosic vs D Collier |
| 1-0 | 70 | 2002 | European Club Cup | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 14. P Taylor-Bowd vs D Collier |
| ½-½ | 22 | 2005 | Jersey op | B90 Sicilian, Najdorf |
| 15. D Collier vs J Rety |
| 1-0 | 34 | 2005 | Paignton Premier | D15 Queen's Gambit Declined Slav |
| 16. T Spanton vs D Collier |
| ½-½ | 22 | 2005 | Paignton Premier | C16 French, Winawer |
| 17. D Collier vs T Rendle |
| 0-1 | 29 | 2005 | Paignton Premier | C18 French, Winawer |
| 18. C Forbes vs D Collier |
| 0-1 | 53 | 2005 | Paignton Premier | A46 Queen's Pawn Game |
| 19. D Collier vs A French |
| ½-½ | 19 | 2005 | Paignton Premier | D18 Queen's Gambit Declined Slav, Dutch |
| 20. F Hamperl vs D Collier |
| 0-1 | 65 | 2005 | Paignton Premier | C01 French, Exchange |
| 21. D Collier vs A Bigg |
| 1-0 | 43 | 2005 | Paignton Premier | A40 Queen's Pawn Game |
| 22. C Hanley vs D Collier |
| 1-0 | 55 | 2005 | First Saturday September | C10 French |
| 23. D Collier vs M Fierro |
| 0-1 | 55 | 2005 | BCF-chT3 0506 (4NCL) | E85 King's Indian, Samisch, Orthodox Variation |
| 24. D Collier vs C Duncan |
| ½-½ | 31 | 2006 | 4NCL 2006/07 | D16 Queen's Gambit Declined Slav |
| 25. V Neverov vs D Collier |
| 1-0 | 30 | 2006 | 15th Monarch Assurance | E29 Nimzo-Indian, Samisch |
Kibitzing
