| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Lyell vs Z Rahman |
| 1-0 | 64 |
1986 |
BCF-ch | C02 French, Advance |
| 2. Emms vs M Lyell |
| 0-1 | 28 |
1995 |
Hastings Challengers 9596 | C63 Ruy Lopez, Schliemann Defense |
| 3. M Lyell vs G Buckley |
| 1-0 | 40 |
2001 |
Ron Banwell Masters | C02 French, Advance |
| 4. C Waters vs M Lyell |
| 0-1 | 28 |
2001 |
Smith & Williamson ch-GBR | A04 Reti Opening |
| 5. M Lyell vs J Friedland |
 | 1-0 | 69 |
2001 |
Ron Banwell Masters | B22 Sicilian, Alapin |
| 6. D Buckley vs M Lyell |
| 0-1 | 19 |
2001 |
Smith & Williamson ch-GBR | C55 Two Knights Defense |
| 7. M Lyell vs T Rendle |
| 1-0 | 44 |
2001 |
Ron Banwell Masters | C02 French, Advance |
| 8. M Lyell vs J Anderson |
| 1-0 | 42 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 9. Sarah Hegarty vs M Lyell |
| 0-1 | 44 |
2001 |
Ron Banwell Masters | A01 Nimzovich-Larsen Attack |
| 10. M Waddington vs M Lyell |
| 0-1 | 40 |
2001 |
Smith & Williamson ch-GBR | A00 Uncommon Opening |
| 11. M Lyell vs B Spink |
| 1-0 | 36 |
2001 |
Ron Banwell Masters | C02 French, Advance |
| 12. M Lyell vs M Steadman |
| 1-0 | 107 |
2001 |
Smith & Williamson ch-GBR | C02 French, Advance |
| 13. R Martyn vs M Lyell |
| 0-1 | 70 |
2004 |
Smith & Williamson British Championships | A40 Queen's Pawn Game |
| 14. M Lyell vs G Kafka |
| 1-0 | 60 |
2004 |
Smith & Williamson British Championships | B20 Sicilian |
| 15. M Lyell vs D Howell |
| 1-0 | 45 |
2004 |
Smith & Williamson British Championships | C29 Vienna Gambit |
| 16. T Pym vs M Lyell |
| 0-1 | 59 |
2004 |
Smith & Williamson British Championships | C63 Ruy Lopez, Schliemann Defense |
| 17. M Lyell vs Cuadras Avellana Jorge |
| 1-0 | 28 |
2005 |
It (open) | B14 Caro-Kann, Panov-Botvinnik Attack |
| 18. Holzke vs M Lyell |
| 0-1 | 35 |
2005 |
Amsterdam Chess Tournament | C63 Ruy Lopez, Schliemann Defense |
| 19. M Lyell vs M Walker |
| 1-0 | 28 |
2007 |
British Championship | C36 King's Gambit Accepted, Abbazia Defense |
| 20. M Lyell vs S Pick |
| 1-0 | 67 |
2007 |
European Individual Championships | B13 Caro-Kann, Exchange |
| 21. D M Adams vs M Lyell |
| 0-1 | 24 |
2007 |
British Championship | C55 Two Knights Defense |
| 22. M Lyell vs F Mayer |
| 1-0 | 40 |
2007 |
European Individual Championships | C02 French, Advance |
| 23. E M White vs M Lyell |
| 0-1 | 50 |
2007 |
British Championship | C63 Ruy Lopez, Schliemann Defense |
| 24. D Foord vs M Lyell |
| 0-1 | 47 |
2007 |
British Championship | D07 Queen's Gambit Declined, Chigorin Defense |
| 25. M Lyell vs J Lenier |
| 1-0 | 41 |
2007 |
83rd Hastings Chess Congress | D05 Queen's Pawn Game |
