| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. R Marszalek vs A Lanc |
| 1-0 | 59 | 1969 | Allied Armies Team Championship | A13 English |
| 2. A Lanc vs Savon |
| 0-1 | 53 | 1969 | Allied Armies Team Championship | C50 Giuoco Piano |
| 3. J Fichtl vs A Lanc |
| ½-½ | 80 | 1970 | Czechoslovak Championship | C47 Four Knights |
| 4. A Lanc vs J Banas |
| ½-½ | 36 | 1970 | Czechoslovak Championship | B43 Sicilian, Kan, 5.Nc3 |
| 5. Hort vs A Lanc |
 | 1-0 | 37 | 1970 | Czechoslovak Championship | D46 Queen's Gambit Declined Semi-Slav |
| 6. A Lanc vs F Blatny |
| 1-0 | 44 | 1970 | Czechoslovak Championship | C12 French, McCutcheon |
| 7. Plachetka vs A Lanc |
| 1-0 | 38 | 1970 | Czechoslovak Championship | A37 English, Symmetrical |
| 8. A Lanc vs Z Hlousek |
| 0-1 | 49 | 1970 | Czechoslovak Championship | B03 Alekhine's Defense |
| 9. S Kupka vs A Lanc |
| ½-½ | 37 | 1970 | Czechoslovak Championship | D02 Queen's Pawn Game |
| 10. A Lanc vs P Machacek |
| 1-0 | 43 | 1970 | Czechoslovak Championship | C45 Scotch Game |
| 11. E Nowak vs A Lanc |
| 1-0 | 62 | 1970 | Czechoslovak Championship | A07 King's Indian Attack |
| 12. A Lanc vs M Herink |
| 1-0 | 80 | 1970 | Czechoslovak Championship | C51 Evans Gambit |
| 13. Jansa vs A Lanc |
| 1-0 | 28 | 1970 | Czechoslovak Championship | B09 Pirc, Austrian Attack |
| 14. A Lanc vs I Jankovec |
| ½-½ | 41 | 1970 | Czechoslovak Championship | B80 Sicilian, Scheveningen |
| 15. J Pribyl vs A Lanc |
| 1-0 | 41 | 1970 | Czechoslovak Championship | C64 Ruy Lopez, Classical |
| 16. A Lanc vs J Lechtynsky |
| ½-½ | 34 | 1970 | Czechoslovak Championship | C17 French, Winawer, Advance |
| 17. Smejkal vs A Lanc |
| 0-1 | 35 | 1970 | Czechoslovak Championship | A06 Reti Opening |
| 18. A Lanc vs F Blatny |
| ½-½ | 13 | 1971 | CSR sf-B | B06 Robatsch |
| 19. A Kubicek vs A Lanc |
| ½-½ | 41 | 1974 | Czechoslovak Championship | A01 Nimzovich-Larsen Attack |
| 20. A Lanc vs L Mista |
| 1-0 | 42 | 1974 | Czechoslovak Championship | B46 Sicilian, Taimanov Variation |
| 21. A Lanc vs J Fichtl |
| 1-0 | 57 | 1974 | Czechoslovak Championship | C16 French, Winawer |
| 22. A Lanc vs B Modr |
| 1-0 | 39 | 1974 | Czechoslovak Championship | B32 Sicilian |
| 23. Jansa vs A Lanc |
| 1-0 | 41 | 1974 | Czechoslovak Championship | B31 Sicilian, Rossolimo Variation |
| 24. A Lanc vs Plachetka |
| ½-½ | 48 | 1974 | Czechoslovak Championship | C45 Scotch Game |
| 25. J Lechtynsky vs A Lanc |
| 1-0 | 31 | 1974 | Czechoslovak Championship | E62 King's Indian, Fianchetto |
Kibitzing
