Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. L Hanssen vs L Haasted |
| ½-½ | 54 | 1925 | Norwegian Championship | C29 Vienna Gambit |
2. L Hanssen vs H G Hansen |
| 0-1 | 25 | 1925 | Norwegian Championship | A02 Bird's Opening |
3. L Hanssen vs A Strande |
| 1-0 | 15 | 1925 | Norwegian Championship | C29 Vienna Gambit |
4. H G Hansen vs L Hanssen |
| 0-1 | 25 | 1926 | Norwegian Championship | D52 Queen's Gambit Declined |
5. L Hanssen vs O Saethre |
| 1-0 | 31 | 1926 | Norwegian Championship | A02 Bird's Opening |
6. M Lystad vs L Hanssen |
| 0-1 | 43 | 1926 | Norwegian Championship | A07 King's Indian Attack |
7. L Hanssen vs G Christiansen |
| 0-1 | 43 | 1926 | Norwegian Championship | C29 Vienna Gambit |
8. H C Christoffersen vs L Hanssen |
| 1-0 | 49 | 1926 | Norwegian Championship Playoff | E11 Bogo-Indian Defense |
9. L Hanssen vs H C Christoffersen |
| 0-1 | 36 | 1926 | Norwegian Championship Playoff | B21 Sicilian, 2.f4 and 2.d4 |
10. H C Christoffersen vs L Hanssen |
| 1-0 | 35 | 1926 | Norwegian Championship Playoff | A52 Budapest Gambit |
11. L Hanssen vs T Modahl |
| ½-½ | 47 | 1927 | Norwegian Championship | A04 Reti Opening |
12. L Hanssen vs E Lundin |
 | 0-1 | 19 | 1928 | Oslo | C36 King's Gambit Accepted, Abbazia Defense |
13. L Hanssen vs Tartakower |
| 0-1 | 56 | 1931 | Prague Olympiad | A07 King's Indian Attack |
14. L Hanssen vs Petrov |
| 0-1 | 43 | 1931 | Prague Olympiad | B74 Sicilian, Dragon, Classical |
15. L Hanssen vs Gilg |
| ½-½ | 23 | 1931 | Prague Olympiad | B45 Sicilian, Taimanov |
16. A Gromer vs L Hanssen |
| 1-0 | 38 | 1931 | Prague Olympiad | B29 Sicilian, Nimzovich-Rubinstein |
17. G Stoltz vs L Hanssen |
| 1-0 | 30 | 1931 | Prague Olympiad | E11 Bogo-Indian Defense |
18. Vidmar vs L Hanssen |
| 1-0 | 69 | 1931 | Prague Olympiad | E17 Queen's Indian |
19. M Scheinberg vs L Hanssen |
| 1-0 | 30 | 1931 | Prague Olympiad | B40 Sicilian |
20. Bogoljubov vs L Hanssen |
| 1-0 | 43 | 1931 | Prague Olympiad | E41 Nimzo-Indian |
21. O Naegeli vs L Hanssen |
| 1-0 | 53 | 1931 | Prague Olympiad | E23 Nimzo-Indian, Spielmann |
22. L Hanssen vs J Vilardebo Picurena |
| 1-0 | 50 | 1931 | Prague Olympiad | B40 Sicilian |
23. Carl Haave vs L Hanssen |
| 0-1 | 54 | 1932 | Norwegian Championship | A04 Reti Opening |
24. P Monsen vs L Hanssen |
| 1-0 | 55 | 1932 | Norwegian Championship | A07 King's Indian Attack |
25. L Hanssen vs O Kavlie-Jorgensen |
| 1-0 | 56 | 1932 | Norwegian Championship | E11 Bogo-Indian Defense |