Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. G Gislason vs Nijboer |
| 0-1 | 40 | 1990 | Reykjavik Open | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
27. K Arkell vs G Gislason |
| 0-1 | 47 | 1990 | Reykjavik Open | E67 King's Indian, Fianchetto |
28. G Gislason vs J Levitt |
| 0-1 | 40 | 1990 | Reykjavik Open | C17 French, Winawer, Advance |
29. G Gislason vs T Thorhallsson |
| 0-1 | 43 | 1993 | ISL-ch | A57 Benko Gambit |
30. G Gislason vs H A Gretarsson |
| 0-1 | 48 | 1993 | ISL-ch | D17 Queen's Gambit Declined Slav |
31. T Thorhallsson vs G Gislason |
| 0-1 | 36 | 1993 | Reykjavik op | B90 Sicilian, Najdorf |
32. G Gislason vs M Tschurl |
| 1-0 | 21 | 1993 | Cappelle Open | D48 Queen's Gambit Declined Semi-Slav, Meran |
33. J Murey vs G Gislason |
| 1-0 | 41 | 1993 | Cappelle Open | C17 French, Winawer, Advance |
34. S Kishnev vs G Gislason |
| 1-0 | 38 | 1993 | Cappelle Open | E97 King's Indian |
35. G Gislason vs O Krivonosov |
| ½-½ | 63 | 1993 | Cappelle Open | D53 Queen's Gambit Declined |
36. V Okhotnik vs G Gislason |
| ½-½ | 43 | 1993 | Cappelle Open | B22 Sicilian, Alapin |
37. G Gislason vs Petursson |
| ½-½ | 47 | 1993 | Cappelle Open | A53 Old Indian |
38. Petursson vs G Gislason |
| 1-0 | 47 | 1994 | ISL-chT | E71 King's Indian, Makagonov System (5.h3) |
39. T Thorhallsson vs G Gislason |
| 1-0 | 51 | 1994 | Kopavogur | B22 Sicilian, Alapin |
40. G Gislason vs Van der Sterren |
| 0-1 | 41 | 1994 | Reykjavik Open | D50 Queen's Gambit Declined |
41. H van Parreren vs G Gislason |
| 0-1 | 56 | 1994 | Reykjavik Open | E67 King's Indian, Fianchetto |
42. G Gislason vs M Kjeld |
| 1-0 | 50 | 1994 | Reykjavik Open | D50 Queen's Gambit Declined |
43. N Rashkovsky vs G Gislason |
| 1-0 | 44 | 1994 | Reykjavik Open | D78 Neo-Grunfeld, 6.O-O c6 |
44. G Gislason vs B Thorfinnsson |
| 1-0 | 31 | 1994 | Reykjavik Open | E43 Nimzo-Indian, Fischer Variation |
45. M M Ivanov vs G Gislason |
| 0-1 | 37 | 1994 | Reykjavik Open | A49 King's Indian, Fianchetto without c4 |
46. G Gislason vs Kotronias |
| 0-1 | 30 | 1994 | Reykjavik Open | E73 King's Indian |
47. G Gislason vs A Budnikov |
| 0-1 | 25 | 1994 | Reykjavik Open | A10 English |
48. J Vidarsson vs G Gislason |
| ½-½ | 30 | 1994 | Reykjavik Open | B90 Sicilian, Najdorf |
49. G Gislason vs E Thorsteinsson |
| 1-0 | 56 | 1996 | Reykjavik Open | D22 Queen's Gambit Accepted |
50. J Hector vs G Gislason |
| 1-0 | 73 | 1996 | Reykjavik Open | B23 Sicilian, Closed |