| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Sisniega vs J Peters |
| 0-1 | 45 |
1976 |
Lone Pine | B83 Sicilian |
| 2. E Formanek vs M Sisniega |
| 0-1 | 38 |
1976 |
Lone Pine | B43 Sicilian, Kan, 5.Nc3 |
| 3. E Vladimirov vs M Sisniega |
| ½-½ | 45 |
1976 |
W/EU-ch U20 7677 | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 4. M Sisniega vs L D Evans |
| ½-½ | 30 |
1976 |
Lone Pine | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 5. F Street vs M Sisniega |
| 0-1 | 41 |
1976 |
Lone Pine | D85 Grunfeld |
| 6. R Gruchacz vs M Sisniega |
| 0-1 | 65 |
1976 |
Lone Pine | B56 Sicilian |
| 7. L Kokkinos vs M Sisniega |
| 0-1 | 40 |
1976 |
W/EU-ch U20 7677 | C16 French, Winawer |
| 8. M Sisniega vs Christiansen |
| 0-1 | 46 |
1976 |
Lone Pine (USA) | B30 Sicilian |
| 9. M Diesen vs M Sisniega |
| 1-0 | 46 |
1976 |
Lone Pine | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 10. Yusupov vs M Sisniega |
| 1-0 | 42 |
1977 |
Wch U20 | A05 Reti Opening |
| 11. M Sisniega vs Groszpeter |
| 1-0 | 22 |
1977 |
Wch U20 | B14 Caro-Kann, Panov-Botvinnik Attack |
| 12. M Sisniega vs C Van Tilbury |
| 0-1 | 49 |
1978 |
Zonal tournament | B53 Sicilian |
| 13. Yusupov vs M Sisniega |
| 0-1 | 36 |
1979 |
Capablanca mem | A30 English, Symmetrical |
| 14. M Sisniega vs Christiansen |
| 0-1 | 39 |
1979 |
Cienfuegos CAP-A | B10 Caro-Kann |
| 15. Jiangchuan vs M Sisniega |
| 0-1 | 59 |
1980 |
Mexico City u26 wcht | C18 French, Winawer |
| 16. M Sisniega vs C Rossi |
| 1-0 | 22 |
1981 |
Reggio Emilia 8182 | C60 Ruy Lopez |
| 17. M Sisniega vs A Zapata |
| ½-½ | 40 |
1981 |
Bayamo | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 18. M Sisniega vs G Timoshchenko |
| ½-½ | 32 |
1981 |
Bayamo | E63 King's Indian, Fianchetto, Panno Variation |
| 19. M Sisniega vs Murey |
| ½-½ | 59 |
1982 |
Luzern cq | A27 English, Three Knights System |
| 20. Adianto vs M Sisniega |
 | 1-0 | 41 |
1982 |
Olympiad | C19 French, Winawer, Advance |
| 21. M Sisniega vs W Schmidt |
| 1-0 | 38 |
1982 |
Lucerne ol (Men) | B46 Sicilian, Taimanov Variation |
| 22. M Sisniega vs Ivkov |
| 1-0 | 50 |
1984 |
Puerto Rico | C16 French, Winawer |
| 23. Speelman vs M Sisniega |
 | 1-0 | 42 |
1985 |
Taxco (Mexico) | D85 Grunfeld |
| 24. M Sisniega vs Alburt |
| ½-½ | 47 |
1985 |
Izt | B04 Alekhine's Defense, Modern |
| 25. M Sisniega vs Pinter |
| 0-1 | 55 |
1985 |
Taxco | A34 English, Symmetrical |