| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. D Mackenzie vs H Wachtel |
| 1-0 | 40 | 1990 | USA Masters | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 2. V Pupols vs D Mackenzie |
| 1-0 | 29 | 1990 | USA Masters | D57 Queen's Gambit Declined, Lasker Defense |
| 3. B Colias vs D Mackenzie |
| ½-½ | 66 | 1990 | USA Masters | A46 Queen's Pawn Game |
| 4. D Mackenzie vs W Morris |
| 0-1 | 40 | 1990 | USA Masters | E61 King's Indian |
| 5. D Mackenzie vs D Cole |
| ½-½ | 36 | 1990 | USA Masters | A57 Benko Gambit |
| 6. E Karklins vs D Mackenzie |
| ½-½ | 44 | 1990 | USA Masters | C61 Ruy Lopez, Bird's Defense |
| 7. E Fischvogt vs D Mackenzie |
| 0-1 | 65 | 1990 | USA Masters | C61 Ruy Lopez, Bird's Defense |
| 8. D Mackenzie vs E Martinovsky |
| 0-1 | 31 | 1995 | 23rd World Open | C30 King's Gambit Declined |
| 9. L Filatov vs D Mackenzie |
| 1-0 | 36 | 1995 | 23rd World Open | A46 Queen's Pawn Game |
| 10. D Mackenzie vs M Ulfarsson |
| 0-1 | 45 | 1995 | 23rd World Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 11. R Whatley vs D Mackenzie |
| 0-1 | 57 | 1995 | 23rd World Open | C61 Ruy Lopez, Bird's Defense |
| 12. M Mulyar vs D Mackenzie |
| 1-0 | 40 | 1998 | 99th US Open | A30 English, Symmetrical |
| 13. V Bhat vs D Mackenzie |
| 0-1 | 60 | 1998 | 99th US Open | C61 Ruy Lopez, Bird's Defense |
| 14. P Hummel vs D Mackenzie |
| 1-0 | 52 | 2001 | Continental Open | E33 Nimzo-Indian, Classical |
| 15. D Mackenzie vs B Baker |
| 1-0 | 37 | 2002 | North American Open | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 16. I Ivanov vs D Mackenzie |
| 1-0 | 52 | 2002 | North American Open | D06 Queen's Gambit Declined |
| 17. D Mackenzie vs M Milat |
| 0-1 | 55 | 2004 | National Open | B04 Alekhine's Defense, Modern |
| 18. D Mackenzie vs D Pruess |
 | 1-0 | 46 | 2006 | Western States Open | A02 Bird's Opening |
| 19. A Simutowe vs D Mackenzie |
| 1-0 | 35 | 2007 | National Open | D06 Queen's Gambit Declined |
| 20. D Mackenzie vs E Yanayt |
| 0-1 | 39 | 2007 | National Open | B21 Sicilian, 2.f4 and 2.d4 |
| 21. D Mackenzie vs E Schiller |
 | 0-1 | 34 | 2007 | CalChess Championship | B12 Caro-Kann Defense |
| 22. J Bryant vs D Mackenzie |
| 1-0 | 38 | 2014 | Bay Area op | C55 Two Knights Defense |
| 23. D Mackenzie vs G Bick |
| 0-1 | 34 | 2019 | Bay Area International Open | C33 King's Gambit Accepted |
| 24. N Kumar vs D Mackenzie |
| ½-½ | 45 | 2019 | Bay Area International Open | D06 Queen's Gambit Declined |
| 25. D Mackenzie vs T Coleman |
| 0-1 | 14 | 2019 | Bay Area International Open | C33 King's Gambit Accepted |
Kibitzing
