Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. A Szieberth vs D Collier |
 | 1-0 | 32 | 2007 | Isle of Man Masters | C00 French Defense |
27. D Collier vs T Spanton |
| ½-½ | 14 | 2007 | Isle of Man Masters | D02 Queen's Pawn Game |
28. J Cox vs D Collier |
| 1-0 | 28 | 2007 | Isle of Man Masters | E32 Nimzo-Indian, Classical |
29. D Collier vs N Hutchinson |
| 1-0 | 36 | 2007 | Isle of Man Masters | E32 Nimzo-Indian, Classical |
30. J P Nelson vs D Collier |
| 0-1 | 38 | 2007 | Isle of Man Masters | A14 English |
31. D Collier vs J Dworakowska |
| 0-1 | 33 | 2007 | Isle of Man Masters | B50 Sicilian |
32. A G Grant vs D Collier |
| 0-1 | 71 | 2007 | Isle of Man Masters | D60 Queen's Gambit Declined, Orthodox Defense |
33. D Collier vs C Troyke |
| ½-½ | 38 | 2007 | Isle of Man Masters | B27 Sicilian |
34. A Zozulia vs D Collier |
| 1-0 | 39 | 2007 | Isle of Man Masters | B90 Sicilian, Najdorf |
35. D Collier vs R Pert |
| 0-1 | 37 | 2008 | 4NCL 2008/09 | D08 Queen's Gambit Declined, Albin Counter Gambit |
36. D Collier vs D Bisby |
| 0-1 | 28 | 2008 | Guernsey Open | E83 King's Indian, Samisch |
37. D Collier vs M Ribon Calabia |
| 1-0 | 56 | 2009 | Gibraltar Masters | A45 Queen's Pawn Game |
38. H Nezad vs D Collier |
| 0-1 | 72 | 2009 | Gibraltar Masters | B18 Caro-Kann, Classical |
39. D Collier vs V Gashimov |
| 0-1 | 44 | 2009 | Gibraltar Masters | A45 Queen's Pawn Game |
40. S van Eijk vs D Collier |
| 1-0 | 27 | 2009 | Gibraltar Masters | B12 Caro-Kann Defense |
41. D Collier vs J Thomassen |
| 1-0 | 48 | 2009 | Gibraltar Masters | D44 Queen's Gambit Declined Semi-Slav |
42. S Fruebing vs D Collier |
| 1-0 | 48 | 2009 | Gibraltar Masters | B90 Sicilian, Najdorf |
43. O W Hartvig vs D Collier |
| ½-½ | 37 | 2009 | Gibraltar Masters | C10 French |
44. D Collier vs T Chapman |
 | 0-1 | 8 | 2009 | Gibraltar Masters | A45 Queen's Pawn Game |
45. K Daoudi vs D Collier |
| 0-1 | 42 | 2009 | Gibraltar Masters | B18 Caro-Kann, Classical |
46. D Collier vs N Malmdin |
| ½-½ | 39 | 2009 | Gibraltar Masters | A40 Queen's Pawn Game |
47. D Collier vs G Mancini |
| 1-0 | 55 | 2010 | Gibraltar Masters | D15 Queen's Gambit Declined Slav |
48. E Karavade vs D Collier |
| 1-0 | 34 | 2010 | Gibraltar Masters | D45 Queen's Gambit Declined Semi-Slav |
49. D Collier vs J Cabrera Trujillo |
| ½-½ | 50 | 2010 | Gibraltar Masters | D43 Queen's Gambit Declined Semi-Slav |
50. G Andre vs D Collier |
| ½-½ | 58 | 2010 | Gibraltar Masters | E12 Queen's Indian |