| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. C Tattersall vs A J Mackenzie |
| 0-1 | 30 | 1904 | British Championship | C65 Ruy Lopez, Berlin Defense |
| 27. A J Mackenzie vs W E Napier |
| 0-1 | 28 | 1904 | British Championship | D32 Queen's Gambit Declined, Tarrasch |
| 28. A J Mackenzie vs R MacDonald |
| 0-1 | 29 | 1904 | British Championship | D31 Queen's Gambit Declined |
| 29. H Atkins vs A J Mackenzie |
| 1-0 | 56 | 1904 | British Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 30. R Michell vs A J Mackenzie |
| 1-0 | 31 | 1904 | British Championship | B30 Sicilian |
| 31. A J Mackenzie vs G Bellingham |
| 0-1 | 29 | 1904 | British Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 32. H Atkins vs A J Mackenzie |
| 1-0 | 32 | 1905 | Leicestershire - Warwickshire m | C48 Four Knights |
| 33. H W Shoosmith vs A J Mackenzie |
 | 1-0 | 28 | 1905 | British Championship | D51 Queen's Gambit Declined |
| 34. A J Mackenzie vs H Atkins |
| 0-1 | 33 | 1905 | British Championship | A53 Old Indian |
| 35. G Bellingham vs A J Mackenzie |
| 0-1 | 38 | 1905 | British Championship | A07 King's Indian Attack |
| 36. W Gunston vs A J Mackenzie |
| 1-0 | 26 | 1905 | British Championship | C43 Petrov, Modern Attack |
| 37. A J Mackenzie vs W Ward |
| 0-1 | 60 | 1905 | British Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 38. A J Mackenzie vs R Michell |
| 0-1 | 39 | 1905 | British Championship | D60 Queen's Gambit Declined, Orthodox Defense |
| 39. W Palmer vs A J Mackenzie |
| 1-0 | 33 | 1905 | British Championship | D60 Queen's Gambit Declined, Orthodox Defense |
| 40. A J Mackenzie vs C H Sherrard |
| 0-1 | 48 | 1905 | British Championship | D06 Queen's Gambit Declined |
| 41. A J Mackenzie vs W Gibson |
| 0-1 | 28 | 1907 | 24th SCO-ch | E71 King's Indian, Makagonov System (5.h3) |
| 42. A J Mackenzie vs H Atkins |
| 1-0 | 45 | 1907 | British Championship, London | D02 Queen's Pawn Game |
| 43. H W Shoosmith vs A J Mackenzie |
| 1-0 | 37 | 1907 | British Championship, London | C49 Four Knights |
| 44. W Palmer vs A J Mackenzie |
| 1-0 | 28 | 1907 | British Championship, London | E90 King's Indian |
| 45. E G Sergeant vs A J Mackenzie |
| 1-0 | 26 | 1907 | British Championship, London | B01 Scandinavian |
| 46. A J Mackenzie vs G Wainwright |
| 0-1 | 43 | 1907 | British Championship, London | D31 Queen's Gambit Declined |
| 47. Blackburne vs A J Mackenzie |
| ½-½ | 51 | 1907 | British Championship, London | C49 Four Knights |
| 48. A J Mackenzie vs C W Wilkins |
| 1-0 | 13 | 1908 | Birmingham | B23 Sicilian, Closed |
| 49. Yates vs A J Mackenzie |
| 1-0 | 32 | 1908 | 2nd BCM Corr prelim-02 | C84 Ruy Lopez, Closed |
| 50. A J Mackenzie vs S Billings |
| 1-0 | 25 | 1908 | Birmingham CC - Cheltenham CC | D60 Queen's Gambit Declined, Orthodox Defense |
Kibitzing
