| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Lyell vs Z Rahman |
| 1-0 | 64 |
1986 |
BCF-ch | C02 French, Advance |
| 2. M Lyell vs Flear |
| 0-1 | 24 |
1989 |
British Championship | C33 King's Gambit Accepted |
| 3. C Ward vs M Lyell |
| 1-0 | 43 |
1993 |
London Lloyds | A80 Dutch |
| 4. H A Gretarsson vs M Lyell |
 | 1-0 | 45 |
1993 |
London Lloyds | A80 Dutch |
| 5. M Lyell vs P Pandavos |
| 0-1 | 66 |
1994 |
It open | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 6. Emms vs M Lyell |
| 0-1 | 28 |
1995 |
Hastings Challengers 9596 | C63 Ruy Lopez, Schliemann Defense |
| 7. S Pedersen vs M Lyell |
| 1-0 | 34 |
1997 |
4NCL | A81 Dutch |
| 8. M Waddington vs M Lyell |
| 0-1 | 40 |
2001 |
Smith & Williamson ch-GBR | A00 Uncommon Opening |
| 9. P Thipsay vs M Lyell |
| 1-0 | 45 |
2001 |
Ron Banwell Masters | C63 Ruy Lopez, Schliemann Defense |
| 10. P Gayson vs M Lyell |
| ½-½ | 51 |
2001 |
4NCL | C63 Ruy Lopez, Schliemann Defense |
| 11. J Gallagher vs M Lyell |
| 1-0 | 53 |
2001 |
Smith & Williamson ch-GBR | A81 Dutch |
| 12. M Lyell vs J Anderson |
| 1-0 | 42 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 13. R Shiomi vs M Lyell |
| 1-0 | 40 |
2001 |
Ron Banwell Masters | C47 Four Knights |
| 14. M Lyell vs M Steadman |
| 1-0 | 107 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 15. M Lyell vs B Spink |
| 1-0 | 36 |
2001 |
Ron Banwell Masters | C02 French, Advance |
| 16. M Lyell vs R Pert |
| 0-1 | 59 |
2001 |
4NCL | B22 Sicilian, Alapin |
| 17. I Snape vs M Lyell |
| ½-½ | 54 |
2001 |
Smith & Williamson ch-GBR | A13 English |
| 18. M Lyell vs T Rendle |
| 1-0 | 44 |
2001 |
Ron Banwell Masters | C02 French, Advance |
| 19. C Waters vs M Lyell |
| 0-1 | 28 |
2001 |
Smith & Williamson ch-GBR | A04 Reti Opening |
| 20. Harikrishna vs M Lyell |
| 1-0 | 42 |
2001 |
Ron Banwell Masters | A80 Dutch |
| 21. A Summerscale vs M Lyell |
| 1-0 | 33 |
2001 |
4NCL | A10 English |
| 22. M Lyell vs M Buckley |
| 0-1 | 48 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 23. Sarah Hegarty vs M Lyell |
| 0-1 | 44 |
2001 |
Ron Banwell Masters | A01 Nimzovich-Larsen Attack |
| 24. D M Adams vs M Lyell |
| 1-0 | 42 |
2001 |
Smith & Williamson ch-GBR | C23 Bishop's Opening |
| 25. M Lyell vs G Buckley |
| 1-0 | 40 |
2001 |
Ron Banwell Masters | C02 French, Advance |