| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. S Agdestein vs Granda-Zuniga |
| 0-1 | 36 |
1982 |
Ch World Cadet's un | D45 Queen's Gambit Declined Semi-Slav |
| 2. Browne vs S Agdestein |
| 1-0 | 31 |
1983 |
It (cat.12) | E11 Bogo-Indian Defense |
| 3. Miles vs S Agdestein |
| 1-0 | 36 |
1983 |
Gjovik | E11 Bogo-Indian Defense |
| 4. Adorjan vs S Agdestein |
| 1-0 | 68 |
1983 |
It (cat.12) | A30 English, Symmetrical |
| 5. S Agdestein vs DeFirmian |
| 0-1 | 35 |
1984 |
It ( cat. 13 ) | E41 Nimzo-Indian |
| 6. Miles vs S Agdestein |
 | 1-0 | 42 |
1984 |
Oslo | D11 Queen's Gambit Declined Slav |
| 7. Karpov vs S Agdestein |
 | 1-0 | 38 |
1984 |
Oslo ;MCL 02 | C18 French, Winawer |
| 8. Timman vs S Agdestein |
| 1-0 | 36 |
1985 |
Taxco (izt) 39/369 | C17 French, Winawer, Advance |
| 9. S Saeed vs S Agdestein |
| 1-0 | 61 |
1985 |
Taxco izt | A62 Benoni, Fianchetto Variation |
| 10. P Nikolic vs S Agdestein |
| 1-0 | 35 |
1985 |
Naestved | E12 Queen's Indian |
| 11. Larsen vs S Agdestein |
| 1-0 | 46 |
1985 |
Gausdal zt | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 12. Short vs S Agdestein |
 | 1-0 | 26 |
1985 |
Nstved | C11 French |
| 13. S Agdestein vs DeFirmian |
| 0-1 | 35 |
1985 |
Oslo (Norway) | E41 Nimzo-Indian |
| 14. S Agdestein vs Vaganian |
| 0-1 | 37 |
1985 |
Naestved | A57 Benko Gambit |
| 15. J M Hodgson vs S Agdestein |
 | 1-0 | 24 |
1986 |
Lloyds Bank op | A07 King's Indian Attack |
| 16. W Arencibia vs S Agdestein |
| 1-0 | 40 |
1986 |
Wch U20 | E25 Nimzo-Indian, Samisch |
| 17. S Agdestein vs Kudrin |
| 0-1 | 32 |
1987 |
Marseilles (France) | A30 English, Symmetrical |
| 18. S Agdestein vs Portisch |
| 0-1 | 30 |
1987 |
Reykjavik | E12 Queen's Indian |
| 19. Anand vs S Agdestein |
 | 1-0 | 38 |
1987 |
Baguio | C70 Ruy Lopez |
| 20. V Tukmakov vs S Agdestein |
| 1-0 | 38 |
1987 |
EU-Cup | A90 Dutch |
| 21. Balashov vs S Agdestein |
| 1-0 | 35 |
1987 |
Dortmund-A | C18 French, Winawer |
| 22. Korchnoi vs S Agdestein |
| 1-0 | 56 |
1987 |
Reykjavik ,CBM 02 | A84 Dutch |
| 23. Timman vs S Agdestein |
| 1-0 | 47 |
1987 |
Reykjavik 43/678 (Timman,J) | E15 Queen's Indian |
| 24. S Agdestein vs Ivanchuk |
| 0-1 | 54 |
1987 |
? | D34 Queen's Gambit Declined, Tarrasch |
| 25. Korchnoi vs S Agdestein |
| 1-0 | 41 |
1988 |
Haninge ,CBM 08 | A04 Reti Opening |