| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 101. Sbai Rania vs G Thorsteinsdottir |
| 1-0 | 47 | 2016 | Baku Olympiad (Women) | D10 Queen's Gambit Declined Slav |
| 102. Dilhara Ishini Wickramasinghe vs G Thorsteinsdottir |
| 1-0 | 51 | 2016 | Baku Olympiad (Women) | D10 Queen's Gambit Declined Slav |
| 103. G Thorsteinsdottir vs E Pavlidou |
| 0-1 | 53 | 2016 | Baku Olympiad (Women) | E15 Queen's Indian |
| 104. H Stefansson vs G Thorsteinsdottir |
| 1-0 | 34 | 2017 | Reykjavik Open | B42 Sicilian, Kan |
| 105. G Thorsteinsdottir vs Jon Thor Lemery |
| 1-0 | 43 | 2017 | Reykjavik Open | C55 Two Knights Defense |
| 106. G Aradhya vs G Thorsteinsdottir |
| 1-0 | 48 | 2017 | Reykjavik Open | D10 Queen's Gambit Declined Slav |
| 107. G Thorsteinsdottir vs M Kristinsson |
| 1-0 | 45 | 2017 | Reykjavik Open | D87 Grunfeld, Exchange |
| 108. P Murray vs G Thorsteinsdottir |
| 1-0 | 56 | 2017 | Reykjavik Open | E34 Nimzo-Indian, Classical, Noa Variation |
| 109. G Thorsteinsdottir vs Daijah Johnson |
| 1-0 | 34 | 2018 | Batumi Olympiad (Women) | E73 King's Indian |
| 110. A Haast vs G Thorsteinsdottir |
| 0-1 | 28 | 2018 | Batumi Olympiad (Women) | C43 Petrov, Modern Attack |
| 111. G Thorsteinsdottir vs G Melnik |
| ½-½ | 48 | 2018 | Batumi Olympiad (Women) | D31 Queen's Gambit Declined |
| 112. Y Marrero Lopez vs G Thorsteinsdottir |
| ½-½ | 40 | 2018 | Batumi Olympiad (Women) | C42 Petrov Defense |
| 113. L Unuk vs G Thorsteinsdottir |
| 1-0 | 37 | 2018 | Batumi Olympiad (Women) | D12 Queen's Gambit Declined Slav |
| 114. G Thorsteinsdottir vs M Geldiyeva |
| 1-0 | 71 | 2018 | Batumi Olympiad (Women) | E12 Queen's Indian |
| 115. Feven Gebremeskel Girmay vs G Thorsteinsdottir |
| ½-½ | 63 | 2018 | Batumi Olympiad (Women) | D10 Queen's Gambit Declined Slav |
| 116. A Shabanaj vs G Thorsteinsdottir |
| 1-0 | 56 | 2018 | Batumi Olympiad (Women) | D05 Queen's Pawn Game |
| 117. G Thorsteinsdottir vs Hoi Ting Leung |
| 1-0 | 51 | 2018 | Batumi Olympiad (Women) | B23 Sicilian, Closed |
| 118. A Quevedo vs G Thorsteinsdottir |
| ½-½ | 40 | 2018 | Batumi Olympiad (Women) | C42 Petrov Defense |
| 119. Hreinn Hrafnsson vs G Thorsteinsdottir |
| 0-1 | 40 | 2019 | Reykjavik Open | B28 Sicilian, O'Kelly Variation |
| 120. G Thorsteinsdottir vs T Bjornsson |
| ½-½ | 52 | 2019 | Reykjavik Open | E67 King's Indian, Fianchetto |
| 121. G Thorsteinsdottir vs Z Low |
| 0-1 | 41 | 2019 | Reykjavik Open | D86 Grunfeld, Exchange |
| 122. G Thorsteinsdottir vs G Kjartansson |
| 0-1 | 57 | 2019 | Reykjavik Open | E12 Queen's Indian |
| 123. K Toma vs G Thorsteinsdottir |
| 1-0 | 46 | 2022 | 37th European Chess Club Cup (Women) | C45 Scotch Game |
| 124. Sarah Peglau vs G Thorsteinsdottir |
 | 0-1 | 28 | 2022 | 37th European Chess Club Cup (Women) | D32 Queen's Gambit Declined, Tarrasch |
| 125. G Thorsteinsdottir vs D Tarleva |
| 0-1 | 35 | 2022 | 37th European Chess Club Cup (Women) | A70 Benoni, Classical with 7.Nf3 |
Kibitzing
