| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. H Olson vs A Balaji |
| 0-1 | 36 | 2022 | Northumbria IM | D78 Neo-Grunfeld, 6.O-O c6 |
| 52. H Olson vs M N Turner |
| 1-0 | 57 | 2022 | Northumbria IM | D35 Queen's Gambit Declined |
| 53. W Claridge-Hansen vs H Olson |
| 1-0 | 48 | 2022 | Northumbria IM | A20 English |
| 54. H Olson vs B N Dong |
| 0-1 | 53 | 2022 | Northumbria IM | C18 French, Winawer |
| 55. A Dunnington vs H Olson |
| ½-½ | 78 | 2022 | Northumbria IM | D73 Neo-Grunfeld, 5.Nf3 |
| 56. G Wall vs H Olson |
| 1-0 | 28 | 2022 | Northumbria IM | C53 Giuoco Piano |
| 57. H Olson vs D Fischer |
| ½-½ | 18 | 2022 | Northumbria IM | D37 Queen's Gambit Declined |
| 58. A Mensing vs H Olson |
| 0-1 | 40 | 2023 | Reykjavik Open | D30 Queen's Gambit Declined |
| 59. N R Visakh vs H Olson |
| ½-½ | 67 | 2023 | Reykjavik Open | D37 Queen's Gambit Declined |
| 60. H Olson vs N R Vignesh |
| 1-0 | 51 | 2023 | Reykjavik Open | A78 Benoni, Classical with ...Re8 and ...Na6 |
| 61. H Olson vs K Lie |
| ½-½ | 27 | 2023 | Reykjavik Open | D23 Queen's Gambit Accepted |
| 62. M Panchanathan vs H Olson |
| 1-0 | 48 | 2023 | Reykjavik Open | A07 King's Indian Attack |
| 63. H Olson vs V Stefansson |
| ½-½ | 28 | 2023 | Reykjavik Open | D02 Queen's Pawn Game |
| 64. H Nezad vs H Olson |
| ½-½ | 62 | 2024 | Budapest Olympiad | D02 Queen's Pawn Game |
| 65. H Olson vs T Banusz |
| 0-1 | 36 | 2024 | Budapest Olympiad | A07 King's Indian Attack |
| 66. M Petrov vs H Olson |
| 1-0 | 42 | 2024 | Budapest Olympiad | C50 Giuoco Piano |
| 67. H Olson vs W Alfaro |
| 1-0 | 44 | 2024 | Budapest Olympiad | E64 King's Indian, Fianchetto, Yugoslav System |
| 68. H Olson vs J Lashkin |
| 0-1 | 53 | 2024 | Budapest Olympiad | D78 Neo-Grunfeld, 6.O-O c6 |
| 69. H Olson vs T Kantans |
| 1-0 | 65 | 2024 | Budapest Olympiad | A48 King's Indian |
| 70. H Olson vs C Henriquez Villagra |
| 0-1 | 59 | 2024 | Budapest Olympiad | D02 Queen's Pawn Game |
| 71. J G Cardoso Cardoso vs H Olson |
| 1-0 | 39 | 2024 | Budapest Olympiad | C80 Ruy Lopez, Open |
| 72. H Olson vs T Razanadrakotoarisoa |
| 1-0 | 47 | 2024 | Budapest Olympiad | D35 Queen's Gambit Declined |
| 73. J Parker vs H Olson |
| 1-0 | 70 | 2024 | 4NCL 2024/25 | D37 Queen's Gambit Declined |
| 74. H Olson vs A Golding |
| 0-1 | 50 | 2024 | 4NCL 2024/25 | A47 Queen's Indian |
| 75. Speelman vs H Olson |
| 1-0 | 56 | 2025 | 4NCL 2024/25 | A06 Reti Opening |
Kibitzing
