| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Spiridonov vs A Hennings |
| 1-0 | 36 |
1966 |
Orebro Stud olm fA | A07 King's Indian Attack |
| 27. Uhlmann vs A Hennings |
| 1-0 | 48 |
1966 |
GER | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 28. A Hennings vs Savon |
| 0-1 | 39 |
1966 |
Orebro Stud olm fA | B82 Sicilian, Scheveningen |
| 29. A Hennings vs H Westerinen |
| 0-1 | 31 |
1966 |
Orebro Stud olm fA | B32 Sicilian |
| 30. A Hennings vs B Brinck-Claussen |
| ½-½ | 15 |
1966 |
Orebro Stud olm fA | C92 Ruy Lopez, Closed |
| 31. Velimirovic vs A Hennings |
| ½-½ | 40 |
1967 |
WchT U26 14th | C10 French |
| 32. A Hennings vs Schmid |
| ½-½ | 16 |
1967 |
Capablanca mem | C09 French, Tarrasch, Open Variation, Main line |
| 33. A Hennings vs Filip |
| ½-½ | 25 |
1967 |
Capablanca mem | B17 Caro-Kann, Steinitz Variation |
| 34. A Hennings vs F McCurdy |
| 1-0 | 39 |
1967 |
WchT U26 | B86 Sicilian, Fischer-Sozin Attack |
| 35. O'Kelly vs A Hennings |
| 0-1 | 27 |
1967 |
Capablanca mem | B42 Sicilian, Kan |
| 36. A Hennings vs Smyslov |
| ½-½ | 76 |
1967 |
09, Havana | B07 Pirc |
| 37. A Hennings vs Savon |
| 0-1 | 41 |
1967 |
WchT U26 14th | C45 Scotch Game |
| 38. Polugaevsky vs A Hennings |
| ½-½ | 43 |
1967 |
La Habana | A07 King's Indian Attack |
| 39. A Hennings vs G Moehring |
| 1-0 | 26 |
1967 |
DDR-ch 16th | B89 Sicilian |
| 40. A Hennings vs Taimanov |
| 0-1 | 35 |
1967 |
Havana | B57 Sicilian |
| 41. V Tukmakov vs A Hennings |
| 1-0 | 55 |
1967 |
WchT U26 14th | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 42. E Cobo Arteaga vs A Hennings |
| 0-1 | 55 |
1967 |
Capablanca mem | D27 Queen's Gambit Accepted, Classical |
| 43. Larsen vs A Hennings |
| 1-0 | 33 |
1967 |
Capablanca mem | B54 Sicilian |
| 44. Minev vs A Hennings |
| ½-½ | 31 |
1967 |
Sofia tt | B22 Sicilian, Alapin |
| 45. Velimirovic vs A Hennings |
| 0-1 | 43 |
1967 |
WchT U26 14th | C77 Ruy Lopez |
| 46. A Hennings vs Gligoric |
| ½-½ | 20 |
1967 |
Capablanca mem | C45 Scotch Game |
| 47. I Radulov vs A Hennings |
| ½-½ | 41 |
1968 |
Lugano ol (Men) | A12 English with b3 |
| 48. Minic vs A Hennings |
| ½-½ | 32 |
1968 |
East Berlin Lasker mem | B89 Sicilian |
| 49. A Hennings vs A Zaitsev |
| 0-1 | 73 |
1968 |
East Berlin Lasker mem | B15 Caro-Kann |
| 50. M Schoeneberg vs A Hennings |
| ½-½ | 23 |
1968 |
East Berlin Lasker mem | C43 Petrov, Modern Attack |