| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Spassov vs J Kozma |
 | 1-0 | 33 |
1965 |
DSV-Turnier 02nd | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 2. Kolbak vs L Spassov |
| 1-0 | 40 |
1966 |
Orebro Stud olm fA | E15 Queen's Indian |
| 3. Vadasz vs L Spassov |
| 0-1 | 36 |
1966 |
Orebro Stud olm fA | E60 King's Indian Defense |
| 4. G Geotgelvek vs L Spassov |
| 0-1 | 49 |
1966 |
Orebro Stud olm prelim5 | E29 Nimzo-Indian, Samisch |
| 5. L Spassov vs I Gat |
| 0-1 | 34 |
1966 |
Orebro Stud olm fA | B98 Sicilian, Najdorf |
| 6. Smejkal vs L Spassov |
| 1-0 | 53 |
1966 |
Orebro Stud olm fA | B43 Sicilian, Kan, 5.Nc3 |
| 7. L Spassov vs E Scholl |
| ½-½ | 74 |
1966 |
Orebro Stud olm fA | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 8. E Pantazi vs L Spassov |
| 0-1 | 39 |
1966 |
Orebro Stud olm fA | B28 Sicilian, O'Kelly Variation |
| 9. L Spassov vs Keene |
| ½-½ | 24 |
1966 |
Oerebro (Sweden) | B77 Sicilian, Dragon, Yugoslav Attack |
| 10. Gulko vs L Spassov |
| ½-½ | 26 |
1966 |
Orebro Stud olm fA | C67 Ruy Lopez |
| 11. L Spassov vs T Porrasmaa |
| 0-1 | 24 |
1966 |
Orebro Stud olm fA | B07 Pirc |
| 12. L Spassov vs U Fritsche |
| 0-1 | 49 |
1966 |
Orebro Stud olm fA | C91 Ruy Lopez, Closed |
| 13. L Spassov vs Z A Glenza |
| 1-0 | 35 |
1966 |
Orebro Stud olm prelim5 | B18 Caro-Kann, Classical |
| 14. L Spassov vs V Tukmakov |
| 1-0 | 23 |
1968 |
WchT U26 15th fin-A | B97 Sicilian, Najdorf |
| 15. Smejkal vs L Spassov |
| 1-0 | 33 |
1968 |
WchT U26 15th fin-A | B89 Sicilian |
| 16. L Spassov vs Plachetka |
| 1-0 | 34 |
1969 |
WchT U26 fin-A 16th | B06 Robatsch |
| 17. L Spassov vs V Tukmakov |
| 0-1 | 39 |
1969 |
WchT U26 fin-A 16th | D90 Grunfeld |
| 18. J Sloth vs L Spassov |
| 0-1 | 60 |
1969 |
WchT U26 fin-A 16th | A49 King's Indian, Fianchetto without c4 |
| 19. L Spassov vs Suetin |
| ½-½ | 34 |
1970 |
Albena (Bulgaria) | A56 Benoni Defense |
| 20. Smejkal vs L Spassov |
| 0-1 | 54 |
1971 |
Varna | A14 English |
| 21. L Spassov vs Minev |
| 0-1 | 58 |
1971 |
BUL-ch 24th | A55 Old Indian, Main line |
| 22. L Spassov vs Minev |
| ½-½ | 51 |
1971 |
Varna | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 23. Adorjan vs L Spassov |
| 1-0 | 34 |
1972 |
Varna (Bulgaria) | B31 Sicilian, Rossolimo Variation |
| 24. Tringov vs L Spassov |
| ½-½ | 22 |
1972 |
Varna | B84 Sicilian, Scheveningen |
| 25. Podgaets vs L Spassov |
| 1-0 | 41 |
1972 |
Varna | A17 English |
