| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Trygstad vs R Bagirov |
| 0-1 | 31 |
1994 |
Ch Europe (cadets) (under 16) | C58 Two Knights |
| 2. Sutovsky vs K Trygstad |
| 1-0 | 27 |
1995 |
Gausdal | B76 Sicilian, Dragon, Yugoslav Attack |
| 3. K Trygstad vs N Miezis |
| 0-1 | 64 |
1999 |
Troll Masters | B42 Sicilian, Kan |
| 4. T Gabrielsen vs K Trygstad |
| ½-½ | 15 |
2000 |
open | B40 Sicilian |
| 5. K Trygstad vs Huzman |
| 0-1 | 35 |
2000 |
34th Olympiad | B23 Sicilian, Closed |
| 6. K Trygstad vs K Gawehns |
| 1-0 | 42 |
2000 |
open | B00 Uncommon King's Pawn Opening |
| 7. Y Yakovich vs K Trygstad |
| 1-0 | 24 |
2000 |
open | E73 King's Indian |
| 8. K Trygstad vs M Sagafos |
| 1-0 | 29 |
2000 |
open | B02 Alekhine's Defense |
| 9. K Trygstad vs A Volzhin |
| ½-½ | 42 |
2000 |
open | B12 Caro-Kann Defense |
| 10. A Budraitis vs K Trygstad |
| ½-½ | 78 |
2000 |
open | E81 King's Indian, Samisch |
| 11. K Trygstad vs D Lobzhanidze |
| ½-½ | 28 |
2000 |
open | C28 Vienna Game |
| 12. P Omtvedt vs K Trygstad |
| ½-½ | 38 |
2000 |
NOR-chT 9900 | B28 Sicilian, O'Kelly Variation |
| 13. K Trygstad vs L E Johannessen |
| ½-½ | 14 |
2000 |
open | C02 French, Advance |
| 14. R Djurhuus vs K Trygstad |
| 0-1 | 45 |
2000 |
open | B21 Sicilian, 2.f4 and 2.d4 |
| 15. L E Johannessen vs K Trygstad |
| ½-½ | 26 |
2001 |
Classics GM | E94 King's Indian, Orthodox |
| 16. K Trygstad vs T Hansen |
| ½-½ | 11 |
2001 |
ch-NOR | B12 Caro-Kann Defense |
| 17. K Trygstad vs P Andersen |
| 1-0 | 44 |
2001 |
Nordic Championships | B23 Sicilian, Closed |
| 18. R Akesson vs K Trygstad |
| 1-0 | 29 |
2001 |
Classics GM | E76 King's Indian, Four Pawns Attack |
| 19. K Trygstad vs H Lahlum |
| ½-½ | 29 |
2001 |
TCh-NOR Final | C02 French, Advance |
| 20. K Lie vs K Trygstad |
| 1-0 | 37 |
2001 |
ch-NOR | A10 English |
| 21. M Krakops vs K Trygstad |
| ½-½ | 41 |
2001 |
Troll Masters | B48 Sicilian, Taimanov Variation |
| 22. R Myhrvold vs K Trygstad |
| 0-1 | 42 |
2001 |
Nordic Championships | B22 Sicilian, Alapin |
| 23. K Trygstad vs S Brynell |
| ½-½ | 33 |
2001 |
Classics GM | C02 French, Advance |
| 24. F Christenson vs K Trygstad |
| ½-½ | 24 |
2001 |
ch-NOR | E94 King's Indian, Orthodox |
| 25. J Guzik vs K Trygstad |
| 0-1 | 42 |
2001 |
Nordic Championships | A16 English |