Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. T Thorsteinsson vs L Remlinger |
| 0-1 | 70 | 1986 | Reykjavik Open | E38 Nimzo-Indian, Classical, 4...c5 |
27. T Thorsteinsson vs K Dehmelt |
| 1-0 | 49 | 1986 | Reykjavik Open | E38 Nimzo-Indian, Classical, 4...c5 |
28. G Halldorsson vs T Thorsteinsson |
| ½-½ | 11 | 1986 | Reykjavik Open | A14 English |
29. A Karklins vs T Thorsteinsson |
| 0-1 | 40 | 1986 | Reykjavik Open | B70 Sicilian, Dragon Variation |
30. T Thorsteinsson vs Van der Sterren |
| 0-1 | 27 | 1986 | Reykjavik Open | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
31. M Wiedenkeller vs T Thorsteinsson |
| 0-1 | 35 | 1988 | Saltsjobaden | D63 Queen's Gambit Declined, Orthodox Defense |
32. T Thorsteinsson vs L Christiansen |
| ½-½ | 68 | 1988 | Reykjavik Open | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
33. M Gurevich vs T Thorsteinsson |
| 1-0 | 59 | 1988 | Reykjavik Open | D63 Queen's Gambit Declined, Orthodox Defense |
34. T Thorsteinsson vs H Einarsson |
| 1-0 | 33 | 1988 | Reykjavik Open | B06 Robatsch |
35. T Bjornsson vs T Thorsteinsson |
| 0-1 | 28 | 1988 | Reykjavik Open | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
36. T Sorensen vs T Thorsteinsson |
| 1-0 | 61 | 1988 | Reykjavik Open | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
37. T Thorsteinsson vs S Briem |
| 0-1 | 41 | 1988 | Reykjavik Open | D30 Queen's Gambit Declined |
38. B Hjartarson vs T Thorsteinsson |
| ½-½ | 42 | 1988 | Reykjavik Open | B74 Sicilian, Dragon, Classical |
39. T Thorsteinsson vs O Kristinsson |
| 0-1 | 35 | 1988 | Reykjavik Open | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
40. T Thorsteinsson vs L Christiansen |
| 0-1 | 39 | 1988 | Reykjavik Blitz | B49 Sicilian, Taimanov Variation |
41. Vyzmanavin vs T Thorsteinsson |
| 1-0 | 43 | 1990 | Rilton Cup 9091 | D37 Queen's Gambit Declined |
42. T Thorsteinsson vs T Wedberg |
| ½-½ | 41 | 1990 | Rilton Cup | E21 Nimzo-Indian, Three Knights |
43. T Thorsteinsson vs J Johansson |
| 0-1 | 49 | 1992 | Stockholm GP-1 | A40 Queen's Pawn Game |
44. T Thorsteinsson vs T Ernst |
| ½-½ | 31 | 1992 | Stockholm GP-1 | D80 Grunfeld |
45. T Thorsteinsson vs B Lindberg |
| ½-½ | 17 | 1993 | SWE-ch Elite | A30 English, Symmetrical |
46. B Thorfinnsson vs T Thorsteinsson |
| 1-0 | 33 | 1997 | ISL-ch | B77 Sicilian, Dragon, Yugoslav Attack |
47. T Thorsteinsson vs T Thorhallsson |
| 0-1 | 58 | 1997 | ISL-ch | D26 Queen's Gambit Accepted |
48. T Thorsteinsson vs H A Gretarsson |
| 0-1 | 37 | 1998 | ISL-chT 9798 | D11 Queen's Gambit Declined Slav |
49. T Thorsteinsson vs H A Gretarsson |
| ½-½ | 29 | 1998 | ISL-ch | E15 Queen's Indian |
50. T Thorhallsson vs T Thorsteinsson |
| 1-0 | 42 | 1998 | ISL-ch | C17 French, Winawer, Advance |