| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. K Bachmann vs H Juehe |
| 1-0 | 55 | 1968 | Northern Open | B06 Robatsch |
| 27. K Bachmann vs B Gasic |
| 1-0 | 34 | 1968 | Northern Open | A16 English |
| 28. K Bachmann vs D Lees |
| 1-0 | 53 | 1968 | Northern Open | E17 Queen's Indian |
| 29. K Bachmann vs Y Rantanen |
| 1-0 | 39 | 1972 | Stockholm op | E69 King's Indian, Fianchetto, Classical Main line |
| 30. K Bachmann vs J Bednarski |
| 0-1 | 37 | 1975 | Dortmund | A04 Reti Opening |
| 31. Savon vs K Bachmann |
| 1-0 | 21 | 1975 | Dortmund | B27 Sicilian |
| 32. K Bachmann vs K Langeweg |
 | 0-1 | 22 | 1975 | Dortmund | A06 Reti Opening |
| 33. A Ornstein vs K Bachmann |
| 1-0 | 34 | 1975 | Dortmund | E91 King's Indian |
| 34. J Beutelhoff vs K Bachmann |
| ½-½ | 14 | 1975 | Dortmund | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 35. K Bachmann vs Keene |
| ½-½ | 29 | 1975 | Dortmund | A05 Reti Opening |
| 36. K Bachmann vs Parma |
| 0-1 | 41 | 1975 | Dortmund | A04 Reti Opening |
| 37. Westerinen vs K Bachmann |
| 1-0 | 41 | 1975 | Dortmund | B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 |
| 38. K Pytel vs K Bachmann |
| 1-0 | 41 | 1975 | Dortmund | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 39. K Bachmann vs Kupreichik |
| 0-1 | 24 | 1975 | Dortmund | A06 Reti Opening |
| 40. L Ogaard vs K Bachmann |
| 1-0 | 32 | 1975 | Dortmund | A29 English, Four Knights, Kingside Fianchetto |
| 41. K Bachmann vs O H Castro Rojas |
| 0-1 | 20 | 1977 | Dortmund | A40 Queen's Pawn Game |
| 42. K Bachmann vs O Popovych |
| 1-0 | 48 | 1977 | Dortmund | A04 Reti Opening |
| 43. A Kochyev vs K Bachmann |
| 1-0 | 33 | 1977 | Dortmund | E17 Queen's Indian |
| 44. K Bachmann vs K Pytel |
| 0-1 | 43 | 1977 | Dortmund | A04 Reti Opening |
| 45. K Bachmann vs K Podzielny |
| 0-1 | 56 | 1977 | Dortmund | A45 Queen's Pawn Game |
| 46. L Vadasz vs K Bachmann |
| 1-0 | 33 | 1977 | Dortmund | E17 Queen's Indian |
| 47. K Bachmann vs D Goodman |
| 0-1 | 41 | 1977 | Dortmund | E83 King's Indian, Samisch |
| 48. K Bachmann vs B Boehmfeldt |
| 0-1 | 44 | 1977 | Dortmund | E69 King's Indian, Fianchetto, Classical Main line |
| 49. Matulovic vs K Bachmann |
| 1-0 | 30 | 1977 | Dortmund | C80 Ruy Lopez, Open |
| 50. W Andre vs K Bachmann |
| 0-1 | 49 | 1977 | Dortmund | B06 Robatsch |
Kibitzing
