| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. T Paehtz Sr vs U Boensch |
| 1-0 | 38 |
1974 |
Potsdam ch-DDR | A25 English |
| 2. U Boensch vs Smejkal |
| ½-½ | 43 |
1974 |
Halle DSV | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 3. U Boensch vs H Liebert |
| ½-½ | 18 |
1974 |
Potsdam ch-DDR | B23 Sicilian, Closed |
| 4. U Boensch vs J Rodriguez Gonzales |
| 1-0 | 38 |
1974 |
Halle DSV | A04 Reti Opening |
| 5. U Boensch vs B Starck |
| 1-0 | 36 |
1974 |
Potsdam ch-DDR | B13 Caro-Kann, Exchange |
| 6. W Heinig vs U Boensch |
| 0-1 | 37 |
1974 |
Potsdam ch-DDR | E73 King's Indian |
| 7. U Boensch vs H U Gruenberg |
| 0-1 | 30 |
1974 |
Potsdam ch-DDR | B24 Sicilian, Closed |
| 8. U Boensch vs K Litkiewicz |
 | 1-0 | 30 |
1974 |
Potsdam ch-DDR | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 9. C Syre vs U Boensch |
| 0-1 | 37 |
1974 |
Potsdam ch-DDR | E61 King's Indian |
| 10. U Boensch vs T Paehtz Sr |
| 0-1 | 37 |
1974 |
Halle DSV | A08 King's Indian Attack |
| 11. G Moehring vs U Boensch |
| 1-0 | 41 |
1974 |
Potsdam ch-DDR | A36 English |
| 12. Uhlmann vs U Boensch |
| 1-0 | 33 |
1974 |
Potsdam ch-DDR | A22 English |
| 13. L Espig vs U Boensch |
| 1-0 | 36 |
1974 |
Potsdam ch-DDR | B06 Robatsch |
| 14. U Boensch vs B Malich |
| 0-1 | 43 |
1974 |
Potsdam ch-DDR | B25 Sicilian, Closed |
| 15. U Boensch vs A Filipowicz |
| ½-½ | 26 |
1974 |
Halle DSV | B54 Sicilian |
| 16. U Boensch vs Vogt |
| ½-½ | 41 |
1974 |
Potsdam ch-DDR | B00 Uncommon King's Pawn Opening |
| 17. Savon vs U Boensch |
| ½-½ | 19 |
1974 |
Halle DSV | B82 Sicilian, Scheveningen |
| 18. U Boensch vs K U Mueller |
| 0-1 | 34 |
1974 |
Potsdam ch-DDR | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 19. U Boensch vs L Zinn |
| 1-0 | 39 |
1974 |
Potsdam ch-DDR | B24 Sicilian, Closed |
| 20. M Bohnisch vs U Boensch |
| ½-½ | 24 |
1974 |
Potsdam ch-DDR | B20 Sicilian |
| 21. U Boensch vs Tal |
| 0-1 | 37 |
1974 |
Halle | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 22. H Rossmann vs U Boensch |
| 1-0 | 36 |
1974 |
Potsdam ch-DDR | B82 Sicilian, Scheveningen |
| 23. H Broberg vs U Boensch |
| 0-1 | 46 |
1974 |
Potsdam ch-DDR | B43 Sicilian, Kan, 5.Nc3 |
| 24. R Knaak vs U Boensch |
| 0-1 | 40 |
1974 |
Potsdam ch-DDR | E87 King's Indian, Samisch, Orthodox |
| 25. U Boensch vs D Neukirch |
| 0-1 | 68 |
1974 |
Potsdam ch-DDR | B25 Sicilian, Closed |