| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Ludwig vs P Poschel |
| 1-0 | 38 |
1945 |
US Open | C27 Vienna Game |
| 2. B Price vs P Poschel |
| 1-0 | 44 |
1945 |
US Open | E22 Nimzo-Indian, Spielmann Variation |
| 3. Koltanowski vs P Poschel |
 | 1-0 | 31 |
1946 |
simul blind 1/8 | A82 Dutch, Staunton Gambit |
| 4. H Fajans vs P Poschel |
| 1-0 | 32 |
1946 |
US Open prelim | C71 Ruy Lopez |
| 5. P Poschel vs E Levin |
| 0-1 | 22 |
1946 |
US Open prelim | C77 Ruy Lopez |
| 6. P Poschel vs N Bernstein |
| 1-0 | 45 |
1947 |
US Open | D02 Queen's Pawn Game |
| 7. P Poschel vs Yanofsky |
| 0-1 | 45 |
1947 |
US Open | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 8. H Steiner vs P Poschel |
| 1-0 | 40 |
1948 |
USA-ch | C50 Giuoco Piano |
| 9. P Poschel vs O Ulvestad |
| 1-0 | 46 |
1948 |
USA-ch | A28 English |
| 10. Shainswit vs P Poschel |
 | ½-½ | 17 |
1948 |
USA-ch | E11 Bogo-Indian Defense |
| 11. W Adams vs P Poschel |
| ½-½ | 48 |
1948 |
USA-ch | C28 Vienna Game |
| 12. H Hesse vs P Poschel |
| ½-½ | 40 |
1948 |
USA-ch | C50 Giuoco Piano |
| 13. P Poschel vs J Platz |
| ½-½ | 51 |
1948 |
USA-ch | A25 English |
| 14. P Poschel vs W Janes |
| 1-0 | 48 |
1948 |
USA-ch | C77 Ruy Lopez |
| 15. P Poschel vs N Whitaker |
| 0-1 | 23 |
1948 |
USA-ch | A16 English |
| 16. P Poschel vs A Suraci |
| 1-0 | 45 |
1948 |
USA-ch | E32 Nimzo-Indian, Classical |
| 17. J Cross vs P Poschel |
| 1-0 | 38 |
1948 |
US Junior Ch | E22 Nimzo-Indian, Spielmann Variation |
| 18. A Sandrin vs P Poschel |
| 1-0 | 46 |
1948 |
USA-ch | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 19. P Poschel vs S Rubinow |
| 0-1 | 37 |
1948 |
USA-ch | A95 Dutch, Stonewall |
| 20. F Howard vs P Poschel |
| 0-1 | 43 |
1948 |
USA-ch | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 21. W Shipman vs P Poschel |
| ½-½ | 46 |
1948 |
USA-ch | A46 Queen's Pawn Game |
| 22. Kashdan vs P Poschel |
| 1-0 | 62 |
1948 |
USA Ch | D57 Queen's Gambit Declined, Lasker Defense |
| 23. P Poschel vs G Kramer |
| 0-1 | 42 |
1948 |
USA-ch | C77 Ruy Lopez |
| 24. Larry Evans vs P Poschel |
| 1-0 | 32 |
1948 |
USA-ch | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 25. Santasiere vs P Poschel |
| 1-0 | 25 |
1948 |
South Fallsburg ch-USA | C32 King's Gambit Declined, Falkbeer Counter Gambit |