| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. P Biyiasas vs M Hebden |
| 1-0 | 36 | 1977 | Hastings Challengers 1977/78 | C84 Ruy Lopez, Closed |
| 2. M Hebden vs Nunn |
 | 0-1 | 26 | 1979 | London m/1 | C36 King's Gambit Accepted, Abbazia Defense |
| 3. Nunn vs M Hebden |
| 1-0 | 21 | 1979 | London LARA | C29 Vienna Gambit |
| 4. G Iskov vs M Hebden |
| 0-1 | 14 | 1979 | Benedictine International | C44 King's Pawn Game |
| 5. R Burbach vs M Hebden |
| 1-0 | 36 | 1979 | Hastings II | C84 Ruy Lopez, Closed |
| 6. M Hebden vs Chandler |
| 1-0 | 64 | 1979 | Hastings Challengers 1978/79 | B00 Uncommon King's Pawn Opening |
| 7. M Hebden vs G Ligterink |
| 0-1 | 30 | 1979 | Aaronson Masters | B21 Sicilian, 2.f4 and 2.d4 |
| 8. M Hebden vs M Macdonald-Ross |
| 0-1 | 61 | 1979 | Aaronson Masters | B13 Caro-Kann, Exchange |
| 9. R Bailey vs M Hebden |
| 0-1 | 36 | 1979 | Aaronson Masters | A31 English, Symmetrical, Benoni Formation |
| 10. I McAllan vs M Hebden |
| 1-0 | 67 | 1979 | British Championship | C55 Two Knights Defense |
| 11. M Hebden vs J Branford |
| 1-0 | 44 | 1979 | British Championship | C17 French, Winawer, Advance |
| 12. S Jackson vs M Hebden |
| 0-1 | 39 | 1979 | British Championship | C84 Ruy Lopez, Closed |
| 13. M Hebden vs I Wells |
| 1-0 | 30 | 1979 | British Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 14. Nunn vs M Hebden |
| 1-0 | 40 | 1979 | British Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 15. M Hebden vs G Morrison |
| 1-0 | 39 | 1979 | British Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 16. J Mestel vs M Hebden |
| 0-1 | 73 | 1979 | British Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 17. M Hebden vs Speelman |
| ½-½ | 56 | 1979 | British Championship | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 18. J Penrose vs M Hebden |
| 0-1 | 76 | 1979 | British Championship | C77 Ruy Lopez |
| 19. M Hebden vs R Bellin |
| 0-1 | 20 | 1979 | British Championship | C34 King's Gambit Accepted |
| 20. G Botterill vs M Hebden |
| ½-½ | 41 | 1979 | British Championship | A59 Benko Gambit |
| 21. R Balinas vs M Hebden |
| 1-0 | 35 | 1979 | 3rd Lloyds Bank Masters Open | C84 Ruy Lopez, Closed |
| 22. M Hebden vs J Quinn |
| 1-0 | 33 | 1979 | 3rd Lloyds Bank Masters Open | B21 Sicilian, 2.f4 and 2.d4 |
| 23. J L Watson vs M Hebden |
| 1-0 | 60 | 1979 | 3rd Lloyds Bank Masters Open | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 24. M Hebden vs A J Norris |
| ½-½ | 44 | 1979 | 3rd Lloyds Bank Masters Open | B13 Caro-Kann, Exchange |
| 25. M Hebden vs J G Nicholson |
| ½-½ | 20 | 1979 | Regency Masters A | B21 Sicilian, 2.f4 and 2.d4 |
Kibitzing
