| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J Gomez Baillo vs M Lorenzini |
| 1-0 | 50 | 1994 | Mar del Plata op | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 2. M Lorenzini vs P Zarnicki |
| ½-½ | 53 | 1995 | Mar del Plata op 26th | B62 Sicilian, Richter-Rauzer |
| 3. C Ruiz de Alegria Garcia vs M Lorenzini |
| 1-0 | 77 | 1996 | San Sebastian Open | B95 Sicilian, Najdorf, 6...e6 |
| 4. M Munoz Perez vs M Lorenzini |
| 0-1 | 27 | 1996 | San Sebastian Open | B83 Sicilian |
| 5. F Miguel Quintero vs M Lorenzini |
| 0-1 | 56 | 1996 | San Sebastian Open | B22 Sicilian, Alapin |
| 6. M Lorenzini vs A Shchekachev |
| 0-1 | 29 | 1996 | San Sebastian Open | A00 Uncommon Opening |
| 7. M Lorenzini vs J R Ros Eskisabel |
| 1-0 | 23 | 1996 | San Sebastian Open | B04 Alekhine's Defense, Modern |
| 8. M Lorenzini vs J Corral Sierra |
| 1-0 | 21 | 1996 | San Sebastian Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 9. M Lorenzini vs I Aseguinolaza |
| 1-0 | 30 | 1996 | San Sebastian Open | C77 Ruy Lopez |
| 10. A Frois vs M Lorenzini |
| 1-0 | 25 | 1996 | San Sebastian Open | B22 Sicilian, Alapin |
| 11. A Veingold vs M Lorenzini |
| ½-½ | 75 | 2000 | Alicante op 4th | E15 Queen's Indian |
| 12. M Lorenzini vs V Moskalenko |
| 0-1 | 21 | 2000 | Alicante op 4th | C15 French, Winawer |
| 13. A Hoffman vs M Lorenzini |
| 0-1 | 28 | 2001 | Homenaje a la Bandera | E14 Queen's Indian |
| 14. G Soppe vs M Lorenzini |
| 0-1 | 31 | 2001 | Homenaje a la Bandera | A46 Queen's Pawn Game |
| 15. M Lorenzini vs S Slipak |
| ½-½ | 34 | 2001 | Homenaje a la Bandera | C86 Ruy Lopez, Worrall Attack |
| 16. M Lorenzini vs J Rubinetti |
| ½-½ | 38 | 2001 | Homenaje a la Bandera | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 17. D Guillen-Berna vs M Lorenzini |
| 0-1 | 34 | 2001 | Narciso Yepes Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 18. M Lorenzini vs A Strikovic |
| 1-0 | 39 | 2001 | Narciso Yepes Open | B42 Sicilian, Kan |
| 19. M Lorenzini vs A Belezky |
| ½-½ | 38 | 2001 | Narciso Yepes Open | B53 Sicilian |
| 20. M Lorenzini vs S Giardelli |
| 0-1 | 35 | 2001 | Narciso Yepes Open | B42 Sicilian, Kan |
| 21. R Cifuentes vs M Lorenzini |
 | ½-½ | 74 | 2001 | Narciso Yepes Open | A46 Queen's Pawn Game |
| 22. F Braga vs M Lorenzini |
| 1-0 | 46 | 2001 | Narciso Yepes Open | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 23. M Lorenzini vs Emilio Sanchez |
| 1-0 | 25 | 2001 | Narciso Yepes Open | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 24. L M Campos vs M Lorenzini |
| ½-½ | 22 | 2001 | Narciso Yepes Open | B07 Pirc |
| 25. A Granero Roca vs M Lorenzini |
| ½-½ | 61 | 2001 | Narciso Yepes Open | E12 Queen's Indian |
Kibitzing
