| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J B Howson vs J Penrose |
| ½-½ | 53 | 1959 | British Championship | B23 Sicilian, Closed |
| 2. A M Hallmark vs J B Howson |
| 1-0 | 62 | 1959 | British Championship | A91 Dutch Defense |
| 3. J B Howson vs F Clough |
| 1-0 | 38 | 1959 | British Championship | C50 Giuoco Piano |
| 4. P Wallis vs J B Howson |
| 1-0 | 75 | 1959 | British Championship | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 5. J B Howson vs Milner-Barry |
| 0-1 | 41 | 1959 | British Championship | C41 Philidor Defense |
| 6. T J Beach vs J B Howson |
| 1-0 | 37 | 1959 | British Championship | A97 Dutch, Ilyin-Genevsky |
| 7. J B Howson vs N L Freeman |
| 0-1 | 39 | 1959 | British Championship | A07 King's Indian Attack |
| 8. M Fallone vs J B Howson |
| 0-1 | 46 | 1959 | British Championship | A40 Queen's Pawn Game |
| 9. J B Howson vs J H Beaty |
| ½-½ | 43 | 1959 | British Championship | A07 King's Indian Attack |
| 10. J B Howson vs D A Curtis |
| 1-0 | 38 | 1959 | British Championship | B02 Alekhine's Defense |
| 11. A Y Green vs J B Howson |
 | 1-0 | 77 | 1959 | British Championship | A46 Queen's Pawn Game |
| 12. W H Pratten vs J B Howson |
| 1-0 | 46 | 1961 | Stevenson Memorial | A48 King's Indian |
| 13. A W Bowen vs J B Howson |
| ½-½ | 39 | 1962 | British Championship | D31 Queen's Gambit Declined |
| 14. J B Howson vs D Mardle |
| 0-1 | 80 | 1962 | British Championship | A45 Queen's Pawn Game |
| 15. D Thomson vs J B Howson |
| 1-0 | 70 | 1962 | British Championship | C75 Ruy Lopez, Modern Steinitz Defense |
| 16. J B Howson vs E L Stuart |
| 1-0 | 36 | 1962 | British Championship | A45 Queen's Pawn Game |
| 17. J Eldridge vs J B Howson |
| 0-1 | 40 | 1962 | British Championship | A12 English with b3 |
| 18. J B Howson vs R Payne |
| 0-1 | 56 | 1962 | British Championship | A02 Bird's Opening |
| 19. C G Hilton vs J B Howson |
| 1-0 | 35 | 1962 | British Championship | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 20. J B Howson vs D A Smith |
| 0-1 | 62 | 1962 | British Championship | D02 Queen's Pawn Game |
| 21. J Hawson vs J B Howson |
| 0-1 | 52 | 1962 | British Championship | D02 Queen's Pawn Game |
| 22. J B Howson vs R H Northage |
| 1-0 | 41 | 1962 | British Championship | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 23. J B Howson vs R A Fuller |
| ½-½ | 23 | 1962 | British Championship | B18 Caro-Kann, Classical |
| 24. J B Howson vs B Cafferty |
| 0-1 | 23 | 1965 | Stevenson Memorial | B02 Alekhine's Defense |
| 25. B Denman vs J B Howson |
| ½-½ | 59 | 1965 | Stevenson Memorial | C40 King's Knight Opening |
Kibitzing
