| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. A Zwaig vs Panno |
| 0-1 | 49 | 1966 | Havana Olympiad Final-A | B83 Sicilian |
| 52. N Padevsky vs A Zwaig |
| 1-0 | 28 | 1966 | Havana Olympiad Final-A | B09 Pirc, Austrian Attack |
| 53. Benko vs A Zwaig |
| 1-0 | 39 | 1966 | Havana Olympiad Final-A | A56 Benoni Defense |
| 54. B Andersen vs A Zwaig |
| 1-0 | 54 | 1966 | Havana Olympiad Final-A | A07 King's Indian Attack |
| 55. A Medina Garcia vs A Zwaig |
| 1-0 | 37 | 1966 | Havana Olympiad Final-A | C70 Ruy Lopez |
| 56. A Zwaig vs Uhlmann |
 | 0-1 | 32 | 1966 | Havana Olympiad Final-A | A00 Uncommon Opening |
| 57. A Zwaig vs H Camilleri |
| 1-0 | 29 | 1967 | Halle Zonal | C55 Two Knights Defense |
| 58. Portisch vs A Zwaig |
| 1-0 | 40 | 1967 | Halle Zonal | A56 Benoni Defense |
| 59. A Zwaig vs L Zinn |
| 0-1 | 41 | 1967 | Halle Zonal | A07 King's Indian Attack |
| 60. A Zwaig vs M Gerusel |
| 0-1 | 42 | 1967 | Halle Zonal | A00 Uncommon Opening |
| 61. Matulovic vs A Zwaig |
| ½-½ | 44 | 1967 | Halle Zonal | C70 Ruy Lopez |
| 62. A Zwaig vs F Kuijpers |
| 1-0 | 42 | 1967 | Halle Zonal | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 63. A Zwaig vs M Johansson |
| ½-½ | 21 | 1967 | Halle Zonal | A00 Uncommon Opening |
| 64. A Zwaig vs N Minev |
| 1-0 | 64 | 1967 | Halle Zonal | A07 King's Indian Attack |
| 65. F Petersen vs A Zwaig |
| ½-½ | 47 | 1967 | Halle Zonal | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 66. E Havansi vs A Zwaig |
| ½-½ | 36 | 1967 | Halle Zonal | A48 King's Indian |
| 67. A Zwaig vs O Kinnmark |
| 1-0 | 25 | 1967 | Halle Zonal | D34 Queen's Gambit Declined, Tarrasch |
| 68. J Kristinsson vs A Zwaig |
| 0-1 | 35 | 1967 | Halle Zonal | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 69. A Zwaig vs V Ciocaltea |
| 1-0 | 43 | 1967 | Halle Zonal | A07 King's Indian Attack |
| 70. B Pietrusiak vs A Zwaig |
| ½-½ | 13 | 1967 | Halle Zonal | C47 Four Knights |
| 71. H Besser vs A Zwaig |
| ½-½ | 29 | 1967 | Halle Zonal | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 72. A Zwaig vs D Minic |
| ½-½ | 24 | 1967 | Halle Zonal | A07 King's Indian Attack |
| 73. Uhlmann vs A Zwaig |
| 1-0 | 44 | 1967 | Halle Zonal | A88 Dutch, Leningrad, Main Variation with c6 |
| 74. Hort vs A Zwaig |
| 1-0 | 28 | 1967 | Halle Zonal | A14 English |
| 75. A Zwaig vs Westerinen |
| 1-0 | 26 | 1967 | Halle Zonal | B09 Pirc, Austrian Attack |
Kibitzing
