| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. O Thal vs H Rossmann |
| ½-½ | 19 | 1975 | East German Championship | A33 English, Symmetrical |
| 27. C Syre vs H Rossmann |
| ½-½ | 45 | 1975 | East German Championship | D55 Queen's Gambit Declined |
| 28. L Vogt vs H Rossmann |
| 1-0 | 21 | 1975 | East German Championship | D34 Queen's Gambit Declined, Tarrasch |
| 29. H Rossmann vs B Starck |
| ½-½ | 20 | 1975 | East German Championship | B17 Caro-Kann, Steinitz Variation |
| 30. H Rossmann vs G Heinsohn |
| ½-½ | 22 | 1975 | East German Championship | B36 Sicilian, Accelerated Fianchetto |
| 31. H Rossmann vs G Moehring |
| 0-1 | 51 | 1975 | East German Championship | B83 Sicilian |
| 32. H Rossmann vs U Boensch |
| 0-1 | 40 | 1975 | East German Championship | B84 Sicilian, Scheveningen |
| 33. B Baum vs H Rossmann |
| ½-½ | 41 | 1975 | East German Championship | B40 Sicilian |
| 34. H Rossmann vs T Paehtz Sr |
| ½-½ | 11 | 1975 | East German Championship | B01 Scandinavian |
| 35. W Dietze vs H Rossmann |
| ½-½ | 42 | 1975 | East German Championship | E60 King's Indian Defense |
| 36. H Rossmann vs B Schwartz |
| 1-0 | 27 | 1975 | East German Championship | E91 King's Indian |
| 37. Knaak vs H Rossmann |
| 1-0 | 39 | 1975 | East German Championship | E83 King's Indian, Samisch |
| 38. H Gruenberg vs H Rossmann |
| ½-½ | 19 | 1975 | East German Championship | D37 Queen's Gambit Declined |
| 39. H Rossmann vs Uhlmann |
| 0-1 | 46 | 1975 | East German Championship | E92 King's Indian |
| 40. W Dietze vs H Rossmann |
| ½-½ | 35 | 1976 | East German Championship | D02 Queen's Pawn Game |
| 41. F Baumbach vs H Rossmann |
| ½-½ | 29 | 1976 | East German Championship | D56 Queen's Gambit Declined |
| 42. H Rossmann vs U Boensch |
| ½-½ | 28 | 1976 | East German Championship | B93 Sicilian, Najdorf, 6.f4 |
| 43. W Mueller vs H Rossmann |
| ½-½ | 30 | 1976 | East German Championship | B40 Sicilian |
| 44. H Rossmann vs Uhlmann |
| ½-½ | 30 | 1976 | East German Championship | C09 French, Tarrasch, Open Variation, Main line |
| 45. H Gruenberg vs H Rossmann |
| 1-0 | 32 | 1976 | East German Championship | A14 English |
| 46. H Rossmann vs T Casper |
| 0-1 | 39 | 1976 | East German Championship | C07 French, Tarrasch |
| 47. P Babrikowski vs H Rossmann |
| ½-½ | 28 | 1976 | East German Championship | B23 Sicilian, Closed |
| 48. H Rossmann vs W Thormann |
| ½-½ | 10 | 1976 | East German Championship | C09 French, Tarrasch, Open Variation, Main line |
| 49. G Walter vs H Rossmann |
| 0-1 | 41 | 1976 | East German Championship | B83 Sicilian |
| 50. H Rossmann vs L Espig |
| 1-0 | 26 | 1976 | East German Championship | B43 Sicilian, Kan, 5.Nc3 |
Kibitzing
