| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. V Doroshkievich vs H Karner |
| ½-½ | 42 | 1967 | 10th Soviet Team Championship qual-3 | A22 English |
| 27. Keres vs H Karner |
 | 1-0 | 40 | 1967 | Tallinn Kalev-Joud | C49 Four Knights |
| 28. H Karner vs Keres |
| 1-0 | 46 | 1967 | Tallinn Kalev-Joud | E15 Queen's Indian |
| 29. H Karner vs Tal |
 | 0-1 | 36 | 1967 | USSR Championship | A05 Reti Opening |
| 30. Y Kagan vs H Karner |
| 1-0 | 26 | 1967 | USSR Championship | B08 Pirc, Classical |
| 31. H Karner vs A Vitolinsh |
| 0-1 | 26 | 1968 | LAT-ch Chess Club | A15 English |
| 32. H Karner vs R Klovsky |
| ½-½ | 74 | 1968 | 6th Soviet Team Cup | E63 King's Indian, Fianchetto, Panno Variation |
| 33. H Karner vs A Butnorius |
| ½-½ | 45 | 1968 | 6th Soviet Team Cup | E09 Catalan, Closed |
| 34. Klovans vs H Karner |
| 1-0 | 50 | 1968 | 6th Soviet Team Cup | C12 French, McCutcheon |
| 35. V Zhuravliov vs H Karner |
| ½-½ | 34 | 1968 | 6th Soviet Team Cup | C16 French, Winawer |
| 36. H Karner vs V S Zhidkov |
| ½-½ | 18 | 1968 | 6th Soviet Team Cup | E16 Queen's Indian |
| 37. Alekseev vs H Karner |
| ½-½ | 21 | 1968 | 6th Soviet Team Cup | A34 English, Symmetrical |
| 38. H Karner vs Gufeld |
| 0-1 | 41 | 1968 | 6th Soviet Team Cup | A49 King's Indian, Fianchetto without c4 |
| 39. H Karner vs Y Sakharov |
| 0-1 | 43 | 1968 | 6th Soviet Team Cup | A46 Queen's Pawn Game |
| 40. H Karner vs G Borisenko |
| 1-0 | 42 | 1968 | 6th Soviet Team Cup | A04 Reti Opening |
| 41. Taimanov vs H Karner |
| 1-0 | 29 | 1968 | 6th Soviet Team Cup | E00 Queen's Pawn Game |
| 42. I Nei vs H Karner |
| ½-½ | 25 | 1968 | 6th Soviet Team Cup | B54 Sicilian |
| 43. H Karner vs Suetin |
| 0-1 | 40 | 1969 | URS | A71 Benoni, Classical, 8.Bg5 |
| 44. Keres vs H Karner |
| 1-0 | 48 | 1969 | Tallinn Kalev-Joud | A42 Modern Defense, Averbakh System |
| 45. H Karner vs Keres |
| 0-1 | 36 | 1969 | Tallinn Kalev-Joud | D30 Queen's Gambit Declined |
| 46. Lomaia vs H Karner |
| 1-0 | 32 | 1970 | Beltsi, Moldova | A42 Modern Defense, Averbakh System |
| 47. H Karner vs Mass |
| 1-0 | 9 | 1971 | Bjelzy | E17 Queen's Indian |
| 48. H Karner vs H Pohla |
| ½-½ | 39 | 1971 | Parnu | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 49. T Oim vs H Karner |
| ½-½ | 47 | 1971 | Parnu | E15 Queen's Indian |
| 50. H Karner vs A Vooremaa |
| ½-½ | 37 | 1971 | Parnu | D35 Queen's Gambit Declined |
Kibitzing
