| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J Penrose vs H Israel |
| 0-1 | 17 | 1949 | British Championship | B89 Sicilian |
| 2. F Parr vs J Penrose |
| ½-½ | 39 | 1949 | British Championship | A15 English |
| 3. R Bruce vs J Penrose |
| 0-1 | 63 | 1949 | British Championship | A95 Dutch, Stonewall |
| 4. J M Aitken vs J Penrose |
| ½-½ | 32 | 1950 | ENG Club-ch | C92 Ruy Lopez, Closed |
| 5. J M Aitken vs J Penrose |
| 0-1 | 57 | 1950 | Ilford | C81 Ruy Lopez, Open, Howell Attack |
| 6. J Penrose vs L Derby |
| ½-½ | 46 | 1950 | Southsea | C15 French, Winawer |
| 7. A R Thomas vs J Penrose |
| 0-1 | 35 | 1950 | Southsea | D50 Queen's Gambit Declined |
| 8. J Penrose vs Bogoljubov |
 | 1-0 | 31 | 1950 | Southsea | B56 Sicilian |
| 9. K Winterton vs J Penrose |
| ½-½ | 46 | 1950 | Southsea | E90 King's Indian |
| 10. J Penrose vs R H Newman |
| 1-0 | 36 | 1950 | Southsea | C78 Ruy Lopez |
| 11. L Prins vs J Penrose |
| 0-1 | 28 | 1950 | Southsea | C57 Two Knights |
| 12. J Penrose vs Tartakower |
| 1-0 | 39 | 1950 | Southsea | B28 Sicilian, O'Kelly Variation |
| 13. A Bisguier vs J Penrose |
| 1-0 | 29 | 1950 | Southsea | C77 Ruy Lopez |
| 14. J Penrose vs F Alexander |
| ½-½ | 65 | 1950 | Southsea | C81 Ruy Lopez, Open, Howell Attack |
| 15. Golombek vs J Penrose |
| ½-½ | 15 | 1950 | Southsea | E60 King's Indian Defense |
| 16. J Penrose vs R Broadbent |
| 1-0 | 40 | 1950 | British Championship | E26 Nimzo-Indian, Samisch |
| 17. D V Hooper vs J Penrose |
| 0-1 | 47 | 1950 | British Championship | D50 Queen's Gambit Declined |
| 18. Golombek vs J Penrose |
| 1-0 | 25 | 1950 | British Championship | E60 King's Indian Defense |
| 19. J Penrose vs W Winter |
| 1-0 | 41 | 1950 | British Championship | D43 Queen's Gambit Declined Semi-Slav |
| 20. J Penrose vs G Abrahams |
| 1-0 | 28 | 1950 | British Championship | B10 Caro-Kann |
| 21. E Klein vs J Penrose |
| ½-½ | 37 | 1950 | British Championship | C77 Ruy Lopez |
| 22. J Penrose vs E A Isles |
| 1-0 | 21 | 1950 | British Championship | B29 Sicilian, Nimzovich-Rubinstein |
| 23. W Veitch vs J Penrose |
 | 0-1 | 10 | 1950 | British Championship | E10 Queen's Pawn Game |
| 24. A R Thomas vs J Penrose |
| ½-½ | 19 | 1950 | Hastings 1950/51 | C27 Vienna Game |
| 25. J Penrose vs A Phillips |
| 1-0 | 37 | 1950 | Hastings 1950/51 | C61 Ruy Lopez, Bird's Defense |
Kibitzing
