| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Kristjansson vs I Brynjolfsson |
 | ½-½ | 27 |
1995 |
Iceland | B97 Sicilian, Najdorf |
| 2. A Kristjansson vs F Seres |
| ½-½ | 28 |
1997 |
Nordic 5-team tt3-bd15 | B21 Sicilian, 2.f4 and 2.d4 |
| 3. B Magnusson vs A Kristjansson |
| 0-1 | 33 |
1997 |
Iceland ch-18 | C06 French, Tarrasch |
| 4. A Kristjansson vs T Einarsson |
 | 1-0 | 23 |
1997 |
18th Iceland CC Ch | B21 Sicilian, 2.f4 and 2.d4 |
| 5. O Pauni vs A Kristjansson |
| 0-1 | 32 |
1997 |
Nordic 5-team tt3-bd15 | A17 English |
| 6. O Nordstrom vs A Kristjansson |
| 0-1 | 40 |
1997 |
Nordic 5-team tt3-bd15 | C05 French, Tarrasch |
| 7. A Kristjansson vs A Skulteti |
| 1-0 | 37 |
1998 |
North Sea tt1-03 | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 8. A Kristjansson vs I Aird |
| 1-0 | 35 |
1998 |
North Sea tt1-03 | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 9. G De Coninck vs A Kristjansson |
| 0-1 | 68 |
1998 |
North Sea tt1-03 | C06 French, Tarrasch |
| 10. A Kristjansson vs J Toothill |
| 1-0 | 46 |
1998 |
North Sea tt1-03 | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 11. C Thomsen vs A Kristjansson |
| 0-1 | 43 |
1999 |
EU/MSM/VI/2-09 | A45 Queen's Pawn Game |
| 12. A Kristjansson vs M Spooner |
 | 1-0 | 25 |
2002 |
Hong Kong-Iceland | B21 Sicilian, 2.f4 and 2.d4 |
| 13. A Kristjansson vs E Schreiber |
 | 1-0 | 31 |
2005 |
VI.EU-MSM Final | C92 Ruy Lopez, Closed |
| 14. A Kristjansson vs A Stefanova |
 | 0-1 | 94 |
2008 |
Reykjavik Open | D10 Queen's Gambit Declined Slav |
| 15. A Kristjansson vs I Nyzhnyk |
| ½-½ | 62 |
2008 |
Reykjavik Open | E14 Queen's Indian |
| 16. T Vasilevich vs A Kristjansson |
| 0-1 | 50 |
2008 |
Reykjavik Open | D04 Queen's Pawn Game |
| 17. J Halldorsson vs A Kristjansson |
| 1-0 | 54 |
2008 |
Reykjavik Open | D26 Queen's Gambit Accepted |
| 18. A Kristjansson vs I A Nataf |
| 0-1 | 49 |
2008 |
Reykjavik Open | E76 King's Indian, Four Pawns Attack |
| 19. A Kristjansson vs A Genzling |
| 0-1 | 32 |
2008 |
Reykjavik Open | D24 Queen's Gambit Accepted |
| 20. M Popovic vs A Kristjansson |
| 0-1 | 63 |
2008 |
Reykjavik Open | D27 Queen's Gambit Accepted, Classical |
| 21. R Hardarson vs A Kristjansson |
| 1-0 | 38 |
2008 |
Reykjavik Open | C42 Petrov Defense |
| 22. B Thorfinnsson vs A Kristjansson |
| ½-½ | 86 |
2008 |
Reykjavik Open | D23 Queen's Gambit Accepted |