| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. O Sande vs O Antonsen |
| 1-0 | 41 | 1976 | Oslo Chess International | E00 Queen's Pawn Game |
| 27. A Semakoff vs O Sande |
| 1-0 | 61 | 1976 | Oslo Chess International | B48 Sicilian, Taimanov Variation |
| 28. O Sande vs T Heiberg |
| ½-½ | 36 | 1976 | Oslo Chess International | E63 King's Indian, Fianchetto, Panno Variation |
| 29. O Sande vs L Ogaard |
| 0-1 | 22 | 1976 | Oslo Chess International | A07 King's Indian Attack |
| 30. L Karlsson vs O Sande |
| 1-0 | 41 | 1976 | Oslo Chess International | A16 English |
| 31. O Sande vs T Harestad |
| 1-0 | 32 | 1976 | Oslo Chess International | D47 Queen's Gambit Declined Semi-Slav |
| 32. O Svenneby vs O Sande |
| 0-1 | 51 | 1977 | cr ch N | C28 Vienna Game |
| 33. S Heim vs O Sande |
| ½-½ | 11 | 1980 | NOR-ch | E63 King's Indian, Fianchetto, Panno Variation |
| 34. O Sande vs T Heiberg |
| ½-½ | 46 | 1980 | NOR-ch | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 35. K Regan vs O Sande |
| 1-0 | 46 | 1980 | Gausdal Int | C45 Scotch Game |
| 36. O Sande vs T Harestad |
| ½-½ | 12 | 1980 | NOR-ch | A31 English, Symmetrical, Benoni Formation |
| 37. L Karlsson vs O Sande |
| 1-0 | 52 | 1980 | Gausdal Int | A01 Nimzovich-Larsen Attack |
| 38. O Sande vs B Tiller |
| 1-0 | 37 | 1980 | NOR-ch | E41 Nimzo-Indian |
| 39. A Semakoff vs O Sande |
| ½-½ | 15 | 1980 | NOR-ch | C44 King's Pawn Game |
| 40. O Sande vs E Kristiansen |
| 1-0 | 42 | 1980 | NOR-ch | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 41. R Hoen vs O Sande |
| 1-0 | 32 | 1980 | NOR-ch | A04 Reti Opening |
| 42. J Berry vs O Sande |
| 1-0 | 23 | 1980 | corr | C36 King's Gambit Accepted, Abbazia Defense |
| 43. O C Moen vs O Sande |
| ½-½ | 41 | 1980 | NOR-ch | C77 Ruy Lopez |
| 44. P Stigar vs O Sande |
| 0-1 | 39 | 1980 | NOR-ch | D85 Grunfeld |
| 45. O Sande vs Csom |
| 0-1 | 30 | 1980 | Valletta Olympiad | E41 Nimzo-Indian |
| 46. O Sande vs O C Moen |
| 1-0 | 43 | 1983 | NOR-ch | E80 King's Indian, Samisch Variation |
| 47. E Brekken vs O Sande |
| ½-½ | 41 | 1983 | NOR-ch | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 48. E Agdestein vs O Sande |
| ½-½ | 28 | 1983 | NOR-ch | D90 Grunfeld |
| 49. O Sande vs D Orseth |
| 1-0 | 32 | 1983 | NOR-ch | D85 Grunfeld |
| 50. J Ulrichsen vs O Sande |
| 1-0 | 30 | 1983 | NOR-ch | A45 Queen's Pawn Game |
Kibitzing
