| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Lyell vs Flear |
| 0-1 | 24 |
1989 |
British Championship | C33 King's Gambit Accepted |
| 2. M Lyell vs P Pandavos |
| 0-1 | 66 |
1994 |
It open | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 3. Emms vs M Lyell |
| 0-1 | 28 |
1995 |
Hastings Challengers 9596 | C63 Ruy Lopez, Schliemann Defense |
| 4. Sarah Hegarty vs M Lyell |
| 0-1 | 44 |
2001 |
Ron Banwell Masters | A01 Nimzovich-Larsen Attack |
| 5. M Waddington vs M Lyell |
| 0-1 | 40 |
2001 |
Smith & Williamson ch-GBR | A00 Uncommon Opening |
| 6. M Lyell vs A S Dekker |
| 0-1 | 57 |
2001 |
Ron Banwell Masters | B22 Sicilian, Alapin |
| 7. C Waters vs M Lyell |
| 0-1 | 28 |
2001 |
Smith & Williamson ch-GBR | A04 Reti Opening |
| 8. D Buckley vs M Lyell |
| 0-1 | 19 |
2001 |
Smith & Williamson ch-GBR | C55 Two Knights Defense |
| 9. M Lyell vs N Frost |
 | 0-1 | 59 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 10. M Lyell vs G Lee |
| 0-1 | 38 |
2001 |
4NCL | C02 French, Advance |
| 11. M Lyell vs M Buckley |
| 0-1 | 48 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 12. M Lyell vs R Pert |
| 0-1 | 59 |
2001 |
4NCL | B22 Sicilian, Alapin |
| 13. M Lyell vs S Williams |
| 0-1 | 33 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 14. M Lyell vs M Harborne |
| 0-1 | 29 |
2002 |
British Chess Championships | B12 Caro-Kann Defense |
| 15. M Lyell vs M Taylor |
| 0-1 | 33 |
2004 |
Smith & Williamson British Championships | C45 Scotch Game |
| 16. T Pym vs M Lyell |
| 0-1 | 59 |
2004 |
Smith & Williamson British Championships | C63 Ruy Lopez, Schliemann Defense |
| 17. R Martyn vs M Lyell |
| 0-1 | 70 |
2004 |
Smith & Williamson British Championships | A40 Queen's Pawn Game |
| 18. M Lyell vs Speelman |
| 0-1 | 27 |
2005 |
7th Dubai Open Chess Championship | B08 Pirc, Classical |
| 19. M Lyell vs E L'Ami |
| 0-1 | 30 |
2005 |
Amsterdam Chess Tournament | C02 French, Advance |
| 20. Holzke vs M Lyell |
 | 0-1 | 35 |
2005 |
Amsterdam Chess Tournament | C63 Ruy Lopez, Schliemann Defense |
| 21. M Lyell vs D Hall |
| 0-1 | 54 |
2007 |
British Championship | A02 Bird's Opening |
| 22. M Lyell vs C Marzolo |
| 0-1 | 36 |
2007 |
European Individual Championships | C02 French, Advance |
| 23. D Foord vs M Lyell |
| 0-1 | 47 |
2007 |
British Championship | D07 Queen's Gambit Declined, Chigorin Defense |
| 24. M Lyell vs T Rendle |
| 0-1 | 62 |
2007 |
83rd Hastings Chess Congress | A81 Dutch |
| 25. M Lyell vs S Haslinger |
| 0-1 | 48 |
2007 |
British Championship | C36 King's Gambit Accepted, Abbazia Defense |