| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. T Hansen vs G Tallaksen Ostmoe |
| ½-½ | 35 |
2001 |
ch-NOR | C60 Ruy Lopez |
| 2. T Bae vs G Tallaksen Ostmoe |
| 1-0 | 29 |
2001 |
ch-NOR | C60 Ruy Lopez |
| 3. K A Mork vs G Tallaksen Ostmoe |
| 0-1 | 41 |
2001 |
TCh-NOR Final | C60 Ruy Lopez |
| 4. H Adnoy vs G Tallaksen Ostmoe |
| 0-1 | 47 |
2001 |
Classics IMB | C60 Ruy Lopez |
| 5. P Wikstrom vs G Tallaksen Ostmoe |
| ½-½ | 41 |
2001 |
Classics IMB | C60 Ruy Lopez |
| 6. Kulaots vs G Tallaksen Ostmoe |
 | 1-0 | 39 |
2003 |
Gausdal Classics GM 2nd | C95 Ruy Lopez, Closed, Breyer |
| 7. S Heim vs G Tallaksen Ostmoe |
| ½-½ | 19 |
2004 |
Norwegian Championship | C91 Ruy Lopez, Closed |
| 8. K Lie vs G Tallaksen Ostmoe |
| 0-1 | 58 |
2004 |
Norwegian Championship | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 9. J Kaaber-Hansen vs G Tallaksen Ostmoe |
| 0-1 | 46 |
2006 |
Politiken Cup | C95 Ruy Lopez, Closed, Breyer |
| 10. Negi vs G Tallaksen Ostmoe |
| 1-0 | 75 |
2006 |
Politiken Cup | C95 Ruy Lopez, Closed, Breyer |
| 11. B Barth Sahl vs G Tallaksen Ostmoe |
| 1-0 | 30 |
2006 |
Norwegian Championship | C80 Ruy Lopez, Open |