| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. O Dannevig vs E J Gausel |
| 0-1 | 38 |
1990 |
It Peer Gynt, Gausdal (Norway) | B00 Uncommon King's Pawn Opening |
| 2. Yurtaev vs O Dannevig |
| 0-1 | 38 |
1990 |
Gausdal (Norway) | B10 Caro-Kann |
| 3. O Dannevig vs E Vladimirov |
| 0-1 | 30 |
1991 |
Gausdal INT | E92 King's Indian |
| 4. Jansa vs O Dannevig |
| 1-0 | 39 |
1992 |
Gausdal Peer Gynt | A45 Queen's Pawn Game |
| 5. O Dannevig vs Svidler |
| 0-1 | 31 |
1992 |
Gausdal | D85 Grunfeld |
| 6. Sutovsky vs O Dannevig |
| 1-0 | 23 |
1995 |
Gausdal | B31 Sicilian, Rossolimo Variation |
| 7. O Dannevig vs B Ostenstad |
| 0-1 | 46 |
1999 |
Ch Norway, Gausdal (Norway) | A07 King's Indian Attack |
| 8. L E Johannessen vs O Dannevig |
| 1-0 | 34 |
1999 |
Ch Norway, Gausdal (Norway) | E60 King's Indian Defense |
| 9. O Dannevig vs A Flaata |
| 1-0 | 26 |
1999 |
Stjernen Grand Prix | A07 King's Indian Attack |
| 10. K Lie vs O Dannevig |
| 0-1 | 39 |
1999 |
Ch Norway, Gausdal (Norway) | B70 Sicilian, Dragon Variation |
| 11. O Dannevig vs F Elsness |
| 1-0 | 55 |
1999 |
Ch Norway, Gausdal (Norway) | A05 Reti Opening |
| 12. R H Fyllingen vs O Dannevig |
| 1-0 | 52 |
1999 |
Ch Norway, Gausdal (Norway) | D01 Richter-Veresov Attack |
| 13. O Dannevig vs Myhrvold Rune (NOR) |
| 1-0 | 31 |
1999 |
Ch Norway, Gausdal (Norway) | A07 King's Indian Attack |
| 14. O Dannevig vs O Hole |
| 1-0 | 20 |
1999 |
Ch Norway, Gausdal (Norway) | A07 King's Indian Attack |
| 15. O Dannevig vs Storland Knut H (NOR) |
| 1-0 | 32 |
1999 |
Ch Norway, Gausdal (Norway) | B06 Robatsch |
| 16. R Djurhuus vs O Dannevig |
| 1-0 | 26 |
1999 |
Ch Norway, Gausdal (Norway) | B21 Sicilian, 2.f4 and 2.d4 |
| 17. O Dannevig vs C F Ekeberg |
| 0-1 | 35 |
2000 |
open | A37 English, Symmetrical |
| 18. O Dannevig vs E J Gausel |
| 0-1 | 45 |
2000 |
open | A36 English |
| 19. K Gawehns vs O Dannevig |
| ½-½ | 58 |
2000 |
open | A10 English |
| 20. O Dannevig vs Tiviakov |
| ½-½ | 41 |
2000 |
open | A20 English |
| 21. O Dannevig vs T Bae |
| ½-½ | 42 |
2000 |
open | A16 English |
| 22. O Dannevig vs T Spanton |
| 1-0 | 66 |
2000 |
open | A13 English |
| 23. T Gabrielsen vs O Dannevig |
| 1-0 | 38 |
2000 |
open | B50 Sicilian |
| 24. E Hagesaether vs O Dannevig |
| 0-1 | 58 |
2000 |
open | A04 Reti Opening |
| 25. O Valaker vs O Dannevig |
| 0-1 | 25 |
2000 |
open | A48 King's Indian |