| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H Gardarsson vs O Duchrow |
| 0-1 | 46 | 2011 | Reykjavik Open | A81 Dutch |
| 27. H Gardarsson vs D Jameson |
| 0-1 | 53 | 2016 | Reykjavik Open | E92 King's Indian |
| 28. H Gardarsson vs O Erikstad |
 | 1-0 | 63 | 2016 | Reykjavik Open | D44 Queen's Gambit Declined Semi-Slav |
| 29. B Sigurdsson vs H Gardarsson |
| 1-0 | 34 | 2016 | Reykjavik Open | D35 Queen's Gambit Declined |
| 30. M Peat vs H Gardarsson |
| 1-0 | 50 | 2017 | Reykjavik Open | B10 Caro-Kann |
| 31. H Gardarsson vs B Steinthorsson |
| 1-0 | 36 | 2017 | Reykjavik Open | C23 Bishop's Opening |
| 32. G P Jonsson vs H Gardarsson |
| 1-0 | 19 | 2017 | Reykjavik Open | B10 Caro-Kann |
| 33. H Gardarsson vs O Bjarnason |
| ½-½ | 59 | 2017 | Reykjavik Open | D02 Queen's Pawn Game |
| 34. H Gardarsson vs F B Olsen |
| 0-1 | 37 | 2017 | Xtracon Chess Open | D12 Queen's Gambit Declined Slav |
| 35. L P Huse vs H Gardarsson |
| 0-1 | 27 | 2017 | Xtracon Chess Open | B31 Sicilian, Rossolimo Variation |
| 36. H Gardarsson vs T Carnstam |
| 0-1 | 33 | 2017 | Xtracon Chess Open | A07 King's Indian Attack |
| 37. L Bjornes vs H Gardarsson |
| 1-0 | 34 | 2017 | Xtracon Chess Open | E32 Nimzo-Indian, Classical |
| 38. H Gardarsson vs Sverre Hestholm |
| 0-1 | 42 | 2017 | Xtracon Chess Open | C29 Vienna Gambit |
| 39. H A Jensen vs H Gardarsson |
| ½-½ | 32 | 2017 | Xtracon Chess Open | B01 Scandinavian |
| 40. S Joa vs H Gardarsson |
| ½-½ | 18 | 2017 | Xtracon Chess Open | C26 Vienna |
| 41. H Gardarsson vs C Jacobsen |
| 1-0 | 30 | 2017 | Xtracon Chess Open | C29 Vienna Gambit |
| 42. A Bering vs H Gardarsson |
| 1-0 | 31 | 2017 | Xtracon Chess Open | C78 Ruy Lopez |
| 43. H Gardarsson vs K Yilmaz |
| 0-1 | 22 | 2017 | Xtracon Chess Open | E00 Queen's Pawn Game |
| 44. H Gardarsson vs P Green |
| 0-1 | 62 | 2018 | Reykjavik Open | E32 Nimzo-Indian, Classical |
| 45. B R Fjallheim vs H Gardarsson |
| 0-1 | 47 | 2018 | Reykjavik Open | B80 Sicilian, Scheveningen |
| 46. Henry Yu vs H Gardarsson |
| 1-0 | 37 | 2018 | Reykjavik Open | E04 Catalan, Open, 5.Nf3 |
| 47. H Gardarsson vs Isak Orri Karlsson |
| ½-½ | 40 | 2018 | Reykjavik Open | A87 Dutch, Leningrad, Main Variation |
| 48. Arnar Ingi Njardarson vs H Gardarsson |
| 0-1 | 19 | 2018 | Reykjavik Open | B90 Sicilian, Najdorf |
| 49. H Gardarsson vs S Eiriksson |
| ½-½ | 40 | 2018 | Reykjavik Open | D87 Grunfeld, Exchange |
| 50. Agnar T Moller vs H Gardarsson |
| 1-0 | 40 | 2019 | Reykjavik Open | D78 Neo-Grunfeld, 6.O-O c6 |
Kibitzing
