| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. A Gudmundsson vs U Raisa |
| ½-½ | 30 | 1962 | Varna Olympiad qual-3 | D27 Queen's Gambit Accepted, Classical |
| 52. A Gudmundsson vs Y Porat |
| ½-½ | 25 | 1962 | Varna Olympiad Final-B | E13 Queen's Indian, 4.Nc3, Main line |
| 53. A Gudmundsson vs K Skold |
| ½-½ | 24 | 1962 | Varna Olympiad Final-B | A04 Reti Opening |
| 54. A Gudmundsson vs E Cobo Arteaga |
| 0-1 | 46 | 1962 | Varna Olympiad Final-B | A48 King's Indian |
| 55. I Asmundsson vs A Gudmundsson |
 | ½-½ | 40 | 1964 | Reykjavik | B07 Pirc |
| 56. A Gudmundsson vs S Johannessen |
| 0-1 | 25 | 1964 | Reykjavik | D02 Queen's Pawn Game |
| 57. I Johannsson vs A Gudmundsson |
| 1-0 | 28 | 1964 | Reykjavik | B56 Sicilian |
| 58. A Gudmundsson vs M Solmundarson |
| ½-½ | 23 | 1964 | Reykjavik | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 59. Gligoric vs A Gudmundsson |
| 1-0 | 49 | 1964 | Reykjavik | B75 Sicilian, Dragon, Yugoslav Attack |
| 60. A Gudmundsson vs J Kristinsson |
| 1-0 | 42 | 1964 | Reykjavik | E46 Nimzo-Indian |
| 61. R G Wade vs A Gudmundsson |
| 1-0 | 36 | 1964 | Reykjavik | B07 Pirc |
| 62. A Gudmundsson vs G Palmason |
| ½-½ | 25 | 1964 | Reykjavik | E17 Queen's Indian |
| 63. Tal vs A Gudmundsson |
| 1-0 | 42 | 1964 | Reykjavik | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 64. T Bjornsson vs A Gudmundsson |
| ½-½ | 42 | 1964 | Reykjavik | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 65. A Gudmundsson vs F Thorbergsson |
| 1-0 | 30 | 1964 | Reykjavik | A15 English |
| 66. N Gaprindashvili vs A Gudmundsson |
| 1-0 | 27 | 1964 | Reykjavik | B77 Sicilian, Dragon, Yugoslav Attack |
| 67. A Gudmundsson vs F Olafsson |
| 0-1 | 46 | 1964 | Reykjavik | E60 King's Indian Defense |
| 68. J Curtis vs A Gudmundsson |
| 1-0 | 26 | 1971 | Australian Championship 1971/72 | B72 Sicilian, Dragon |
Kibitzing
