| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P N Wallis vs NN |
 | 1-0 | 12 |
1923 |
? | D00 Queen's Pawn Game |
| 2. P N Wallis vs Euwe |
 | 0-1 | 29 |
1939 |
Bournemouth | E85 King's Indian, Samisch, Orthodox Variation |
| 3. P N Wallis vs Mieses |
| 0-1 | 34 |
1939 |
Bournemouth | B00 Uncommon King's Pawn Opening |
| 4. G Abrahams vs P N Wallis |
| 0-1 | 38 |
1939 |
Bournemouth | D11 Queen's Gambit Declined Slav |
| 5. E Klein vs P N Wallis |
| 1-0 | 30 |
1939 |
Bournemouth | D26 Queen's Gambit Accepted |
| 6. P N Wallis vs S Landau |
| 0-1 | 59 |
1939 |
Bournemouth | D87 Grunfeld, Exchange |
| 7. Flohr vs P N Wallis |
| 1-0 | 30 |
1939 |
Bournemouth | D46 Queen's Gambit Declined Semi-Slav |
| 8. P N Wallis vs I Koenig |
| ½-½ | 41 |
1939 |
Bournemouth | E22 Nimzo-Indian, Spielmann Variation |
| 9. A G Conde vs P N Wallis |
| 0-1 | 34 |
1939 |
Bournemouth | D45 Queen's Gambit Declined Semi-Slav |
| 10. P N Wallis vs F Kitto |
| 1-0 | 28 |
1939 |
Bournemouth | D33 Queen's Gambit Declined, Tarrasch |
| 11. P N Wallis vs A Thomas |
| 1-0 | 34 |
1939 |
Bournemouth | E22 Nimzo-Indian, Spielmann Variation |
| 12. Aitken vs P N Wallis |
| ½-½ | 50 |
1939 |
Bournemouth | D45 Queen's Gambit Declined Semi-Slav |
| 13. T Jones vs P N Wallis |
| 1-0 | 29 |
1946 |
Nottingham-B1 | C00 French Defense |
| 14. H Courtney vs P N Wallis |
| 0-1 | 45 |
1946 |
Nottingham-B1 | C18 French, Winawer |
| 15. R H Newman vs P N Wallis |
| 1-0 | 54 |
1946 |
Nottingham-B1 | E62 King's Indian, Fianchetto |
| 16. P N Wallis vs H G Cole |
| ½-½ | 46 |
1946 |
Nottingham-B1 | A04 Reti Opening |
| 17. C R Gurnhill vs P N Wallis |
| ½-½ | 72 |
1946 |
Nottingham-B1 | C15 French, Winawer |
| 18. Rossolimo vs P N Wallis |
 | 1-0 | 37 |
1949 |
Southsea | C05 French, Tarrasch |
| 19. P N Wallis vs G A Thomas |
| 1-0 | 27 |
1949 |
Southsea | A07 King's Indian Attack |
| 20. P N Wallis vs Tartakower |
| 0-1 | 39 |
1949 |
Southsea | A04 Reti Opening |
| 21. L Barden vs P N Wallis |
| 0-1 | 36 |
1949 |
Southsea | C02 French, Advance |
| 22. Aitken vs P N Wallis |
| 1-0 | 43 |
1949 |
Southsea | C18 French, Winawer |
| 23. P N Wallis vs D Ellison |
| 0-1 | 35 |
1959 |
BCF-ch | E67 King's Indian, Fianchetto |
| 24. P N Wallis vs J Penrose |
| 0-1 | 22 |
1959 |
BCF-ch | B08 Pirc, Classical |
| 25. P N Wallis vs J B Howson |
| 1-0 | 75 |
1959 |
BCF-ch | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |