| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Asgeirsson vs J L Hammer |
| 0-1 | 18 |
2006 |
European Club Cup | E20 Nimzo-Indian |
| 2. F Elsness vs J L Hammer |
 | 0-1 | 38 |
2006 |
Norwegian Championship | E37 Nimzo-Indian, Classical |
| 3. T Hillarp Persson vs J L Hammer |
| ½-½ | 73 |
2007 |
Politiken Cup | E37 Nimzo-Indian, Classical |
| 4. L Jaime Montalvan vs J L Hammer |
| 0-1 | 42 |
2008 |
Gibraltar | E46 Nimzo-Indian |
| 5. V Babula vs J L Hammer |
| 0-1 | 31 |
2008 |
2008 Olympiad | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 6. Ngoc Truongson Nguyen vs J L Hammer |
| 1-0 | 54 |
2008 |
World Junior Championship | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 7. T Hughes vs J L Hammer |
 | 0-1 | 42 |
2008 |
World Junior Championship | E20 Nimzo-Indian |
| 8. A Kveinys vs J L Hammer |
| 1-0 | 66 |
2008 |
Reykjavik Open | E21 Nimzo-Indian, Three Knights |
| 9. H Porte vs J L Hammer |
| 0-1 | 25 |
2009 |
Politiken Cup | E32 Nimzo-Indian, Classical |