| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Hebden vs M Olesen |
| 1-0 | 41 |
1989 |
It-B | A43 Old Benoni |
| 2. Szabo vs M Olesen |
| 1-0 | 35 |
1991 |
Budapest | C15 French, Winawer |
| 3. Igor Ivanov vs M Olesen |
| 1-0 | 52 |
1992 |
Philadelphia World op | E92 King's Indian |
| 4. Igor Ivanov vs M Olesen |
| 1-0 | 41 |
1992 |
Chicago | A31 English, Symmetrical, Benoni Formation |
| 5. J Bonin vs M Olesen |
| 1-0 | 44 |
1992 |
Philadelphia World | E97 King's Indian |
| 6. M Olesen vs Yermolinsky |
| 0-1 | 40 |
1992 |
Chicago | D05 Queen's Pawn Game |
| 7. M Olesen vs Ashley |
| 0-1 | 28 |
1993 |
It, New York (USA) | A46 Queen's Pawn Game |
| 8. A J Whiteley vs M Olesen |
| 1-0 | 35 |
1994 |
London2 | E67 King's Indian, Fianchetto |
| 9. M Olesen vs DeFirmian |
| 0-1 | 55 |
1994 |
It (open) (2) | A46 Queen's Pawn Game |
| 10. Yermolinsky vs M Olesen |
| 1-0 | 29 |
1994 |
It (open) | A15 English |
| 11. D Gurevich vs M Olesen |
| 1-0 | 45 |
1994 |
It (open) | E60 King's Indian Defense |
| 12. Shabalov vs M Olesen |
| 1-0 | 32 |
1994 |
It (open) | C25 Vienna |
| 13. Emms vs M Olesen |
| 1-0 | 35 |
1995 |
Hillerod Politiken | C26 Vienna |
| 14. DeFirmian vs M Olesen |
| 1-0 | 23 |
1995 |
Gausdal (Norway) | B70 Sicilian, Dragon Variation |
| 15. K Visweswaran vs M Olesen |
| 1-0 | 31 |
2001 |
Politiken Cup | B43 Sicilian, Kan, 5.Nc3 |
| 16. J Rendboe vs M Olesen |
| 1-0 | 38 |
2001 |
Politiken Cup | A43 Old Benoni |
| 17. M Olesen vs P Elka |
| 0-1 | 30 |
2001 |
Politiken Cup | B11 Caro-Kann, Two Knights, 3...Bg4 |
