| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Simmons vs B Villamayor |
| 0-1 | 36 | 2002 | Bled Olympiad | C07 French, Tarrasch |
| 2. M Simmons vs S Wastney |
| 0-1 | 58 | 2002 | Bled Olympiad | B20 Sicilian |
| 3. S Press vs M Simmons |
 | ½-½ | 42 | 2002 | Bled Olympiad | B12 Caro-Kann Defense |
| 4. N Thomas vs M Simmons |
| 1-0 | 21 | 2003 | British Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 5. M Simmons vs S Meenakshi |
| ½-½ | 34 | 2003 | British Championship | B23 Sicilian, Closed |
| 6. I Gourlay vs M Simmons |
| ½-½ | 47 | 2003 | British Championship | A06 Reti Opening |
| 7. M Simmons vs A Muir |
| 0-1 | 28 | 2003 | British Championship | B23 Sicilian, Closed |
| 8. T Nixon vs M Simmons |
| 1-0 | 63 | 2003 | British Championship | D32 Queen's Gambit Declined, Tarrasch |
| 9. M Simmons vs A J Walton |
| 0-1 | 58 | 2003 | British Championship | C13 French |
| 10. M Buckley vs M Simmons |
| ½-½ | 28 | 2003 | British Championship | B12 Caro-Kann Defense |
| 11. D Guthrie vs M Simmons |
| 1-0 | 68 | 2003 | British Championship | D32 Queen's Gambit Declined, Tarrasch |
| 12. T Clarke vs M Simmons |
| 1-0 | 31 | 2003 | British Championship | A45 Queen's Pawn Game |
| 13. M Simmons vs C Waters |
| 0-1 | 46 | 2003 | British Championship | C41 Philidor Defense |
| 14. J Gilbert vs M Simmons |
| 1-0 | 23 | 2003 | British Championship | D32 Queen's Gambit Declined, Tarrasch |
| 15. M Simmons vs S Williams |
| 0-1 | 63 | 2004 | Portsmouth op | C01 French, Exchange |
| 16. M Simmons vs Y Teplitsky |
| 0-1 | 31 | 2004 | Calvia Olympiad | B25 Sicilian, Closed |
| 17. D Charlotte vs M Simmons |
| 0-1 | 28 | 2004 | Calvia Olympiad | B23 Sicilian, Closed |
| 18. T Purnama vs M Simmons |
| 1-0 | 44 | 2004 | Calvia Olympiad | A56 Benoni Defense |
| 19. M Simmons vs J Juarez Flores |
| 0-1 | 55 | 2004 | Calvia Olympiad | C53 Giuoco Piano |
| 20. T Yamagishi vs M Simmons |
| 0-1 | 17 | 2004 | Calvia Olympiad | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 21. J Dos Santos Teixeira vs M Simmons |
| 0-1 | 27 | 2004 | Calvia Olympiad | B32 Sicilian |
| 22. M Simmons vs R Fesalbon |
| 1-0 | 32 | 2004 | Calvia Olympiad | B02 Alekhine's Defense |
| 23. M Simmons vs R Rivera |
| 1-0 | 37 | 2004 | Calvia Olympiad | B25 Sicilian, Closed |
| 24. M Said vs M Simmons |
| 1-0 | 45 | 2004 | Calvia Olympiad | D02 Queen's Pawn Game |
| 25. R W Jones vs M Simmons |
| ½-½ | 19 | 2004 | Calvia Olympiad | A07 King's Indian Attack |
Kibitzing
