| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Olesen vs Bronstein |
| ½-½ | 12 |
1991 |
Copenhagen (Denmark) | A80 Dutch |
| 2. M Olesen vs Igor Ivanov |
| ½-½ | 59 |
1992 |
It (open) | E43 Nimzo-Indian, Fischer Variation |
| 3. M Olesen vs E Schiller |
| ½-½ | 17 |
1992 |
Kansas City KS | D32 Queen's Gambit Declined, Tarrasch |
| 4. M Olesen vs Petursson |
| ½-½ | 26 |
1994 |
It | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 5. M Olesen vs K Kristensen |
| ½-½ | 49 |
1995 |
It cat.3 | C39 King's Gambit Accepted |
| 6. M Olesen vs G Welling |
| ½-½ | 11 |
1995 |
Copenhagen 1st DSDS | B00 Uncommon King's Pawn Opening |
| 7. M Olesen vs P H Nielsen |
| ½-½ | 14 |
1995 |
It (open), VI-VII, Copenhagen | C35 King's Gambit Accepted, Cunningham |
| 8. M Olesen vs G Welling |
| ½-½ | 10 |
1995 |
Copenhagen 2nd DSDS | A46 Queen's Pawn Game |
| 9. M Olesen vs E Brondum |
| ½-½ | 22 |
1995 |
Politiken Cup 17th | B00 Uncommon King's Pawn Opening |
| 10. M Olesen vs A J Whiteley |
| ½-½ | 24 |
1995 |
New Castle schev | C02 French, Advance |
| 11. M Olesen vs T Lynge |
| ½-½ | 43 |
2001 |
Politiken Cup | A13 English |
| 12. K Petersen vs M Olesen |
| ½-½ | 27 |
2001 |
Politiken Cup | B07 Pirc |
| 13. K V Pedersen vs M Olesen |
| ½-½ | 31 |
2001 |
Politiken Cup | A43 Old Benoni |
| 14. H Mortensen vs M Olesen |
| ½-½ | 43 |
2001 |
Politiken Cup | A43 Old Benoni |
| 15. M Olesen vs Hannu Kalervo Edvarsson |
| ½-½ | 33 |
2001 |
Politiken Cup | C41 Philidor Defense |
| 16. M Olesen vs T Tolstrup |
| ½-½ | 46 |
2001 |
Politiken Cup | C01 French, Exchange |
| 17. M Olesen vs H Grabner |
| ½-½ | 38 |
2007 |
WCCC26CT05(WS) | B24 Sicilian, Closed |
| 18. M Olesen vs R Hiltunen |
| ½-½ | 29 |
2007 |
WCCC26CT05(WS) | B25 Sicilian, Closed |
| 19. M Olesen vs S Florin |
| ½-½ | 23 |
2007 |
WCCC26CT05(WS) | B26 Sicilian, Closed, 6.Be3 |
