| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. DeFirmian vs M Olesen |
| 1-0 | 23 |
1995 |
Gausdal (Norway) | B70 Sicilian, Dragon Variation |
| 27. M Olesen vs K Kristensen |
| ½-½ | 49 |
1995 |
It cat.3 | C39 King's Gambit Accepted |
| 28. M Olesen vs E Brondum |
| ½-½ | 22 |
1995 |
Politiken Cup 17th | B00 Uncommon King's Pawn Opening |
| 29. M Olesen vs G Welling |
| ½-½ | 11 |
1995 |
Copenhagen 1st DSDS | B00 Uncommon King's Pawn Opening |
| 30. M Olesen vs P H Nielsen |
| ½-½ | 14 |
1995 |
It (open), VI-VII, Copenhagen | C35 King's Gambit Accepted, Cunningham |
| 31. Emms vs M Olesen |
| 1-0 | 35 |
1995 |
Hillerod Politiken | C26 Vienna |
| 32. M Olesen vs G Welling |
| ½-½ | 10 |
1995 |
Copenhagen 2nd DSDS | A46 Queen's Pawn Game |
| 33. M Olesen vs A J Whiteley |
| ½-½ | 24 |
1995 |
New Castle schev | C02 French, Advance |
| 34. M Olesen vs J Hvenekilde |
| 1-0 | 53 |
1996 |
Ch City | C34 King's Gambit Accepted |
| 35. M Olesen vs T Lynge |
| ½-½ | 43 |
2001 |
Politiken Cup | A13 English |
| 36. K Visweswaran vs M Olesen |
| 1-0 | 31 |
2001 |
Politiken Cup | B43 Sicilian, Kan, 5.Nc3 |
| 37. M Olesen vs T Tolstrup |
| ½-½ | 46 |
2001 |
Politiken Cup | C01 French, Exchange |
| 38. K Petersen vs M Olesen |
| ½-½ | 27 |
2001 |
Politiken Cup | B07 Pirc |
| 39. J Rendboe vs M Olesen |
| 1-0 | 38 |
2001 |
Politiken Cup | A43 Old Benoni |
| 40. M Olesen vs P Elka |
| 0-1 | 30 |
2001 |
Politiken Cup | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 41. M Olesen vs N Nielsen |
| 1-0 | 36 |
2001 |
Politiken Cup | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 42. K V Pedersen vs M Olesen |
| ½-½ | 31 |
2001 |
Politiken Cup | A43 Old Benoni |
| 43. M L Andersen vs M Olesen |
| 0-1 | 78 |
2001 |
Politiken Cup | B42 Sicilian, Kan |
| 44. M Olesen vs Hannu Kalervo Edvarsson |
| ½-½ | 33 |
2001 |
Politiken Cup | C41 Philidor Defense |
| 45. H Mortensen vs M Olesen |
| ½-½ | 43 |
2001 |
Politiken Cup | A43 Old Benoni |
| 46. M Olesen vs S Florin |
| ½-½ | 23 |
2007 |
WCCC26CT05(WS) | B26 Sicilian, Closed, 6.Be3 |
| 47. M Olesen vs H Grabner |
| ½-½ | 38 |
2007 |
WCCC26CT05(WS) | B24 Sicilian, Closed |
| 48. M Olesen vs R Hiltunen |
| ½-½ | 29 |
2007 |
WCCC26CT05(WS) | B25 Sicilian, Closed |
