| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H A Gretarsson vs M Holm |
| 1-0 | 50 | 1991 | Rilton Cup | B20 Sicilian |
| 27. H A Gretarsson vs S D Sigfusson |
| 1-0 | 39 | 1991 | ISL-ch | C45 Scotch Game |
| 28. H A Gretarsson vs T Engqvist |
| 1-0 | 43 | 1991 | Rilton Cup | D15 Queen's Gambit Declined Slav |
| 29. H A Gretarsson vs T Dao |
| ½-½ | 64 | 1991 | Wch U14 | D20 Queen's Gambit Accepted |
| 30. D Pereyra Arcija vs H A Gretarsson |
| 0-1 | 59 | 1991 | Wch U14 | A48 King's Indian |
| 31. Macieja vs H A Gretarsson |
| ½-½ | 42 | 1991 | Wch U14 | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 32. L Russell vs H A Gretarsson |
| 0-1 | 15 | 1991 | Wch U14 | C53 Giuoco Piano |
| 33. H A Gretarsson vs M Kaminski |
| 0-1 | 50 | 1991 | Wch U14 | E92 King's Indian |
| 34. A Erdei vs H A Gretarsson |
| 0-1 | 52 | 1991 | Wch U14 | C53 Giuoco Piano |
| 35. H A Gretarsson vs Z Gyimesi |
| 1-0 | 21 | 1991 | Wch U14 | D20 Queen's Gambit Accepted |
| 36. Avrukh vs H A Gretarsson |
| 0-1 | 34 | 1991 | Wch U14 | A88 Dutch, Leningrad, Main Variation with c6 |
| 37. H A Gretarsson vs S Ovsejevitsch |
| 0-1 | 76 | 1991 | Wch U14 | E32 Nimzo-Indian, Classical |
| 38. P Bobras vs H A Gretarsson |
| 0-1 | 34 | 1991 | Wch U14 | C53 Giuoco Piano |
| 39. H A Gretarsson vs D Garrido Fernandez |
| 1-0 | 28 | 1991 | Wch U14 | A53 Old Indian |
| 40. A Gunnarsson vs H A Gretarsson |
| 0-1 | 30 | 1992 | Skovde op-C | A07 King's Indian Attack |
| 41. H A Gretarsson vs R Kasumov |
| ½-½ | 63 | 1992 | Wch U16 | E40 Nimzo-Indian, 4.e3 |
| 42. H A Gretarsson vs P V Hagesaether |
| 1-0 | 35 | 1992 | Skovde op-C | A41 Queen's Pawn Game (with ...d6) |
| 43. J Upmark vs H A Gretarsson |
| 0-1 | 36 | 1992 | Skovde op-C | C53 Giuoco Piano |
| 44. J Parker vs H A Gretarsson |
| 1-0 | 41 | 1992 | Wch U16 | E70 King's Indian |
| 45. I Papaioannou vs H A Gretarsson |
| 1-0 | 41 | 1992 | Wch U16 | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 46. H A Gretarsson vs S Basrak |
| 1-0 | 48 | 1992 | Wch U16 | E76 King's Indian, Four Pawns Attack |
| 47. H A Gretarsson vs J Levitt |
| ½-½ | 16 | 1992 | Hafnarfirdi | D17 Queen's Gambit Declined Slav |
| 48. J Howell vs H A Gretarsson |
| 0-1 | 44 | 1992 | Hafnarfirdi | C48 Four Knights |
| 49. H A Gretarsson vs B Bjornsson |
| 1-0 | 64 | 1992 | Hafnarfirdi | C45 Scotch Game |
| 50. H A Gretarsson vs R Irzhanov |
| 1-0 | 51 | 1992 | Wch U16 | E76 King's Indian, Four Pawns Attack |
Kibitzing
