| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A E Wolf vs K Poschauko |
| 1-0 | 56 |
1921 |
Vienna-B | C48 Four Knights |
| 2. K Poschauko vs Lokvenc |
| ½-½ | 46 |
1921 |
Vienna-B | B73 Sicilian, Dragon, Classical |
| 3. N Voinov vs K Poschauko |
| 0-1 | 50 |
1936 |
Munich Olympiad | E60 King's Indian Defense |
| 4. K Poschauko vs Gilg |
| 0-1 | 56 |
1936 |
Olympiad (unofficial) | B74 Sicilian, Dragon, Classical |
| 5. Ekenberg vs K Poschauko |
| 0-1 | 22 |
1936 |
Munich Olympiad | C64 Ruy Lopez, Classical |
| 6. K Poschauko vs A Gulbrandsen |
 | 0-1 | 17 |
1936 |
Munich ol (Men) | C34 King's Gambit Accepted |
| 7. M Luckis vs K Poschauko |
 | 1-0 | 25 |
1936 |
Munich Olympiad | E60 King's Indian Defense |
| 8. K Poschauko vs B Moller |
| ½-½ | 47 |
1936 |
Munich Olympiad | B13 Caro-Kann, Exchange |
| 9. K Poschauko vs F Gygli |
| 0-1 | 53 |
1936 |
Munich Olympiad | A07 King's Indian Attack |
| 10. A Dahke vs K Poschauko |
| 1-0 | 34 |
1938 |
Krakow | C84 Ruy Lopez, Closed |
| 11. K Poschauko vs Oettinger |
| 1-0 | 43 |
1938 |
Krakow | C51 Evans Gambit |
| 12. K Plater vs K Poschauko |
| 0-1 | 45 |
1938 |
Krakow | B70 Sicilian, Dragon Variation |
| 13. N Borowski vs K Poschauko |
 | 0-1 | 21 |
1938 |
Krakow | A12 English with b3 |
| 14. K Poschauko vs Mross |
| 0-1 | 41 |
1938 |
Krakow | C97 Ruy Lopez, Closed, Chigorin |
| 15. W Kunerth vs K Poschauko |
| 1-0 | 43 |
1938 |
Krakow | B90 Sicilian, Najdorf |
| 16. K Wojtyla vs K Poschauko |
| ½-½ | 34 |
1938 |
Krakow (composition) | A35 English, Symmetrical |
| 17. K Poschauko vs I Grynfeld |
| 1-0 | 45 |
1938 |
Krakow | C98 Ruy Lopez, Closed, Chigorin |
| 18. K Poschauko vs Sajtar |
 | 0-1 | 38 |
1938 |
Krakow | C88 Ruy Lopez |
| 19. T Kapfer vs K Poschauko |
| 1-0 | 46 |
1938 |
Krakow | C05 French, Tarrasch |
| 20. H Ropstorff vs K Poschauko |
| 0-1 | 39 |
1938 |
Krakow | C56 Two Knights |
| 21. K Poschauko vs M Bluemich |
| 1-0 | 41 |
1938 |
Krakow | C97 Ruy Lopez, Closed, Chigorin |
| 22. J Gadalinski vs K Poschauko |
| ½-½ | 51 |
1938 |
Krakow | D63 Queen's Gambit Declined, Orthodox Defense |
| 23. K Poschauko vs A Pytlakowski |
| ½-½ | 53 |
1938 |
Krakow | C91 Ruy Lopez, Closed |
| 24. K Poschauko vs Biedermann |
| 0-1 | 45 |
1938 |
Krakow | C92 Ruy Lopez, Closed |
| 25. Gilg vs K Poschauko |
| 1-0 | 25 |
1938 |
DSV | E94 King's Indian, Orthodox |