Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. H Olsen vs M R Burgess |
| 0-1 | 43 | 1986 | World Junior Championship | E11 Bogo-Indian Defense |
2. J Howell vs H Olsen |
| 1-0 | 48 | 1986 | World Junior Championship | B90 Sicilian, Najdorf |
3. H Olsen vs M Merritt |
| ½-½ | 50 | 1986 | World Junior Championship | D35 Queen's Gambit Declined |
4. F Ribeiro vs H Olsen |
| ½-½ | 41 | 1986 | World Junior Championship | B95 Sicilian, Najdorf, 6...e6 |
5. H Olsen vs N M Saleh |
| 0-1 | 50 | 1986 | World Junior Championship | E91 King's Indian |
6. Foong Yin Wong vs H Olsen |
| 1-0 | 35 | 1986 | World Junior Championship | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
7. H Olsen vs R Durup |
| 1-0 | 33 | 1986 | World Junior Championship | D25 Queen's Gambit Accepted |
8. N Santamaria vs H Olsen |
| 1-0 | 38 | 1986 | World Junior Championship | B90 Sicilian, Najdorf |
9. H Olsen vs D Baudot |
| ½-½ | 56 | 1986 | World Junior Championship | E92 King's Indian |
10. H Olsen vs A A Najjar |
| ½-½ | 26 | 1986 | World Junior Championship | E18 Queen's Indian, Old Main line, 7.Nc3 |
11. E Ogata vs H Olsen |
| 1-0 | 27 | 1986 | World Junior Championship | E94 King's Indian, Orthodox |
12. H Olsen vs T Oparaugo |
| 1-0 | 49 | 1986 | World Junior Championship | E19 Queen's Indian, Old Main line, 9.Qxc3 |
13. R B Saunders vs H Olsen |
| ½-½ | 9 | 1986 | World Junior Championship | A07 King's Indian Attack |
14. H Olsen vs O Bruk |
| 1-0 | 44 | 1988 | Thessaloniki Olympiad | C14 French, Classical |
15. G Danner vs H Olsen |
| 1-0 | 32 | 1988 | Thessaloniki Olympiad | D86 Grunfeld, Exchange |
16. H Olsen vs E Grassi |
| 1-0 | 48 | 1988 | Thessaloniki Olympiad | B08 Pirc, Classical |
17. H Olsen vs L Rama |
| 1-0 | 69 | 1988 | Thessaloniki Olympiad | C77 Ruy Lopez |
18. J R Smith vs H Olsen |
| 1-0 | 58 | 1988 | Thessaloniki Olympiad | A34 English, Symmetrical |
19. R Deras Flores vs H Olsen |
| 0-1 | 42 | 1988 | Thessaloniki Olympiad | B12 Caro-Kann Defense |
20. H Olsen vs M Schinis |
| ½-½ | 41 | 1988 | Thessaloniki Olympiad | E11 Bogo-Indian Defense |
21. H Olsen vs P Sjodahl |
| 0-1 | 54 | 1989 | Nordic-tt | E60 King's Indian Defense |
22. L Ravi vs H Olsen |
| 1-0 | 43 | 1992 | Manila Olympiad | D79 Neo-Grunfeld, 6.O-O, Main line |
23. H Olsen vs T Mok |
| 1-0 | 52 | 1992 | Manila Olympiad | E60 King's Indian Defense |
24. Robatsch vs H Olsen |
| ½-½ | 24 | 1992 | Manila Olympiad | E90 King's Indian |
25. R Hamid vs H Olsen |
 | ½-½ | 31 | 1992 | Manila Olympiad | B17 Caro-Kann, Steinitz Variation |