| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. T Thorsteinsson vs B Thorfinnsson |
| ½-½ | 26 | 1998 | ISL-ch | D11 Queen's Gambit Declined Slav |
| 52. B Thorfinnsson vs T Thorsteinsson |
| ½-½ | 37 | 2000 | ISL-chT 0001 | D00 Queen's Pawn Game |
| 53. Pelletier vs T Thorsteinsson |
| ½-½ | 41 | 2001 | European Club Cup | A04 Reti Opening |
| 54. R Meessen vs T Thorsteinsson |
| 1-0 | 47 | 2001 | European Club Cup | D35 Queen's Gambit Declined |
| 55. T Thorsteinsson vs D Buckley |
| 1-0 | 54 | 2001 | European Club Cup | A04 Reti Opening |
| 56. T Thorsteinsson vs E O'Connor |
| ½-½ | 47 | 2001 | European Club Cup | D56 Queen's Gambit Declined |
| 57. A Maliush vs T Thorsteinsson |
| 1-0 | 48 | 2001 | European Club Cup | B22 Sicilian, Alapin |
| 58. T Thorsteinsson vs P Jirovsky |
| 1-0 | 64 | 2001 | European Club Cup | E80 King's Indian, Samisch Variation |
| 59. M Kolesar vs T Thorsteinsson |
| 0-1 | 31 | 2001 | European Club Cup | A88 Dutch, Leningrad, Main Variation with c6 |
| 60. T Thorsteinsson vs K Gudmundsson |
| 1-0 | 78 | 2002 | Reykjavik Open | A90 Dutch |
| 61. J Votava vs T Thorsteinsson |
| ½-½ | 46 | 2002 | Reykjavik Open | A42 Modern Defense, Averbakh System |
| 62. T Thorsteinsson vs F Berkes |
| ½-½ | 44 | 2002 | Reykjavik Open | E11 Bogo-Indian Defense |
| 63. A Stefanova vs T Thorsteinsson |
| ½-½ | 43 | 2002 | Reykjavik Open | A92 Dutch |
| 64. T Thorsteinsson vs Westerinen |
| ½-½ | 17 | 2002 | Reykjavik Open | A25 English |
| 65. M M Ivanov vs T Thorsteinsson |
| 1-0 | 44 | 2002 | Reykjavik Open | A40 Queen's Pawn Game |
| 66. T Thorsteinsson vs B Halldorsson |
| 0-1 | 37 | 2002 | Reykjavik Open | B18 Caro-Kann, Classical |
| 67. D Kjartansson vs T Thorsteinsson |
| ½-½ | 62 | 2002 | Reykjavik Open | A02 Bird's Opening |
| 68. T Thorsteinsson vs E Thorsteinsson |
| 1-0 | 73 | 2002 | Reykjavik Open | A11 English, Caro-Kann Defensive System |
| 69. B Thorfinnsson vs T Thorsteinsson |
| 1-0 | 32 | 2002 | ISL-ch | A90 Dutch |
| 70. T Thorsteinsson vs H Stefansson |
| 0-1 | 41 | 2002 | Icelandic Championship | A62 Benoni, Fianchetto Variation |
| 71. T Thorsteinsson vs B Thorfinnsson |
| ½-½ | 38 | 2002 | ISL-ch | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 72. S Kristjansson vs T Thorsteinsson |
| 1-0 | 51 | 2002 | ISL-ch | B76 Sicilian, Dragon, Yugoslav Attack |
| 73. H A Gretarsson vs T Thorsteinsson |
| 1-0 | 27 | 2002 | Icelandic Championship | D37 Queen's Gambit Declined |
| 74. T Thorsteinsson vs Nakamura |
  | 0-1 | 34 | 2004 | Reykjavik Open | E80 King's Indian, Samisch Variation |
| 75. H Ingolfsdottir vs T Thorsteinsson |
| 0-1 | 33 | 2004 | Reykjavik Open | B32 Sicilian |
Kibitzing
