| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. V Malakhatko vs G Johnsen |
| 1-0 | 44 |
2004 |
Liechtenstein op 22nd | B06 Robatsch |
| 2. G Johnsen vs E Zude |
| ½-½ | 30 |
2005 |
Hastings Chess Congress | E13 Queen's Indian, 4.Nc3, Main line |
| 3. G O'Grady vs G Johnsen |
| 0-1 | 26 |
2005 |
Hastings Chess Congress | C19 French, Winawer, Advance |
| 4. G Johnsen vs T Pym |
| ½-½ | 39 |
2005 |
Hastings Chess Congress | A42 Modern Defense, Averbakh System |
| 5. S Gordon vs G Johnsen |
| ½-½ | 44 |
2005 |
Hastings Chess Congress | A80 Dutch |
| 6. G Johnsen vs C Horvath |
| 0-1 | 24 |
2005 |
23rd Liechtenstein Open | B40 Sicilian |
| 7. P Utnes vs G Johnsen |
| 0-1 | 22 |
2006 |
Midnight Sun Chess Challenge | B72 Sicilian, Dragon |
| 8. G Johnsen vs M Bergvoll |
| ½-½ | 22 |
2006 |
Midnight Sun Chess Challenge | E21 Nimzo-Indian, Three Knights |
| 9. L Spassov vs G Johnsen |
| 1-0 | 51 |
2006 |
World Senior Championship | A42 Modern Defense, Averbakh System |
| 10. G Johnsen vs P Marusenko |
| 0-1 | 36 |
2006 |
Hastings Chess Congress | A80 Dutch |
| 11. G Johnsen vs F Wuts |
| 0-1 | 40 |
2006 |
Midnight Sun Chess Challenge | D02 Queen's Pawn Game |
| 12. I Simonsen vs G Johnsen |
| 0-1 | 35 |
2006 |
Midnight Sun Chess Challenge | C01 French, Exchange |
| 13. G Johnsen vs Jansa |
| ½-½ | 27 |
2006 |
World Senior Championship | D87 Grunfeld, Exchange |
| 14. D Muter vs G Johnsen |
| 0-1 | 15 |
2006 |
Hastings Chess Congress | A80 Dutch |
| 15. T Bryn vs G Johnsen |
| 0-1 | 36 |
2006 |
Midnight Sun Chess Challenge | B31 Sicilian, Rossolimo Variation |
| 16. L Andreassen vs G Johnsen |
| 0-1 | 30 |
2006 |
Midnight Sun Chess Challenge | B06 Robatsch |
| 17. G Johnsen vs A Tucker |
| ½-½ | 55 |
2006 |
Hastings Chess Congress | D90 Grunfeld |
| 18. G Johnsen vs E Forsaa |
| ½-½ | 26 |
2006 |
Midnight Sun Chess Challenge | A41 Queen's Pawn Game (with ...d6) |
| 19. G Johnsen vs M Anderton |
| 0-1 | 33 |
2006 |
Hastings Chess Congress | E21 Nimzo-Indian, Three Knights |
| 20. G Johnsen vs A Esbensen |
| 1-0 | 66 |
2006 |
Midnight Sun Chess Challenge | A53 Old Indian |
| 21. V Colin vs G Johnsen |
| 1-0 | 29 |
2006 |
Hastings Chess Congress | A10 English |
| 22. R Bjerke vs G Johnsen |
| ½-½ | 28 |
2006 |
Midnight Sun Chess Challenge | B06 Robatsch |
| 23. Karasev vs G Johnsen |
| 1-0 | 53 |
2006 |
World Senior Championship | C00 French Defense |
| 24. C Briscoe vs G Johnsen |
| ½-½ | 20 |
2006 |
Hastings Chess Congress | C09 French, Tarrasch, Open Variation, Main line |
| 25. G Johnsen vs Lajos Abel |
| ½-½ | 41 |
2010 |
Caissa IM April | A59 Benko Gambit |