| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Moles vs L Neckar |
| 0-1 | 68 |
1969 |
Wch b20 group 1 | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 2. Karpov vs L Neckar |
| 1-0 | 52 |
1969 |
01, Stockholm Wch-jr fin | B03 Alekhine's Defense |
| 3. D Cox vs L Neckar |
| 0-1 | 26 |
1974 |
W-ch26T | B89 Sicilian |
| 4. J Lechtynsky vs L Neckar |
| ½-½ | 33 |
1974 |
CSR-ch | B22 Sicilian, Alapin |
| 5. L Neckar vs Plachetka |
| 1-0 | 42 |
1974 |
CSR-ch | A04 Reti Opening |
| 6. Miles vs L Neckar |
| ½-½ | 32 |
1974 |
? | A07 King's Indian Attack |
| 7. L Neckar vs J Lechtynsky |
| 1-0 | 40 |
1975 |
CSR-ch | E62 King's Indian, Fianchetto |
| 8. W Schmidt vs L Neckar |
| 1-0 | 48 |
1975 |
CSR-ch | E62 King's Indian, Fianchetto |
| 9. L Neckar vs Matulovic |
| 1-0 | 61 |
1975 |
Vraca zt | A04 Reti Opening |
| 10. Plachetka vs L Neckar |
| ½-½ | 33 |
1976 |
CSR-ch | D47 Queen's Gambit Declined Semi-Slav |
| 11. L Neckar vs J Lechtynsky |
| 1-0 | 35 |
1976 |
CSR-ch | D34 Queen's Gambit Declined, Tarrasch |
| 12. L Neckar vs Ftacnik |
| 1-0 | 61 |
1978 |
Ch Czechoslovakia, Marianske Lazne (Czech Repub | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 13. J Lechtynsky vs L Neckar |
| ½-½ | 46 |
1978 |
CSR-ch | B02 Alekhine's Defense |
| 14. J Ambroz vs L Neckar |
| 1-0 | 22 |
1978 |
CSR-ch | B05 Alekhine's Defense, Modern |
| 15. L Neckar vs Smejkal |
| 0-1 | 38 |
1978 |
CSR-ch | E04 Catalan, Open, 5.Nf3 |
| 16. B Malich vs L Neckar |
| ½-½ | 21 |
1981 |
Rostock GER | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 17. L Neckar vs H U Gruenberg |
| ½-½ | 47 |
1981 |
Bohemians | A30 English, Symmetrical |
| 18. J Ambroz vs L Neckar |
| ½-½ | 52 |
1981 |
Bohemians | B29 Sicilian, Nimzovich-Rubinstein |
| 19. V Benes vs L Neckar |
| 0-1 | 60 |
1981 |
Bohemians | B05 Alekhine's Defense, Modern |
| 20. L Neckar vs B Modr |
| ½-½ | 15 |
1981 |
Bohemians | A16 English |
| 21. L Neckar vs E Prandstetter |
| ½-½ | 10 |
1981 |
Bohemians | E05 Catalan, Open, Classical line |
| 22. L Neckar vs J Adamski |
| 0-1 | 43 |
1981 |
Bohemians | A04 Reti Opening |
| 23. J Janak vs L Neckar |
| 0-1 | 42 |
1981 |
Bohemians | B04 Alekhine's Defense, Modern |
| 24. P Streitberg vs L Neckar |
| ½-½ | 47 |
1981 |
Bohemians | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 25. I Novak vs L Neckar |
| 1-0 | 47 |
1981 |
Bohemians | E06 Catalan, Closed, 5.Nf3 |