| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. I Jankovec vs M Ujtelky |
| ½-½ | 50 | 1963 | CSR-ch sf | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 2. J Petras vs I Jankovec |
| ½-½ | 20 | 1965 | Czechoslovak Championship | D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 |
| 3. I Jankovec vs J Florian |
| 1-0 | 40 | 1965 | Czechoslovak Championship | E46 Nimzo-Indian |
| 4. J Fichtl vs I Jankovec |
| 1-0 | 65 | 1965 | Czechoslovak Championship | B13 Caro-Kann, Exchange |
| 5. I Jankovec vs F Pithart |
| 0-1 | 37 | 1965 | Czechoslovak Championship | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 6. J Augustin vs I Jankovec |
| 1-0 | 70 | 1965 | Czechoslovak Championship | B10 Caro-Kann |
| 7. I Jankovec vs P Machacek |
| 0-1 | 36 | 1965 | Czechoslovak Championship | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 8. L Alster vs I Jankovec |
| 1-0 | 41 | 1965 | Czechoslovak Championship | D11 Queen's Gambit Declined Slav |
| 9. I Jankovec vs Smejkal |
| 0-1 | 31 | 1965 | Czechoslovak Championship | B36 Sicilian, Accelerated Fianchetto |
| 10. V Cibulka vs I Jankovec |
| ½-½ | 56 | 1965 | Czechoslovak Championship | B17 Caro-Kann, Steinitz Variation |
| 11. I Jankovec vs J Marsalek |
| 0-1 | 55 | 1965 | Czechoslovak Championship | A88 Dutch, Leningrad, Main Variation with c6 |
| 12. M Seifert vs I Jankovec |
| 0-1 | 40 | 1965 | Czechoslovak Championship | B17 Caro-Kann, Steinitz Variation |
| 13. I Jankovec vs J Vesely |
| 0-1 | 32 | 1965 | Czechoslovak Championship | E14 Queen's Indian |
| 14. V Hora vs I Jankovec |
| ½-½ | 41 | 1965 | Czechoslovak Championship | B17 Caro-Kann, Steinitz Variation |
| 15. M Janata vs I Jankovec |
| ½-½ | 44 | 1965 | Czechoslovak Championship | B30 Sicilian |
| 16. I Jankovec vs F Blatny |
 | ½-½ | 27 | 1965 | Czechoslovak Championship | D45 Queen's Gambit Declined Semi-Slav |
| 17. E Nowak vs I Jankovec |
| 1-0 | 27 | 1965 | Czechoslovak Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 18. I Jankovec vs K Opocensky |
| 1-0 | 34 | 1965 | Czechoslovak Championship | A81 Dutch |
| 19. J Augustin vs I Jankovec |
| ½-½ | 28 | 1967 | Czechoslovak Championship | B18 Caro-Kann, Classical |
| 20. F Blatny vs I Jankovec |
| ½-½ | 40 | 1967 | Czechoslovak Championship | B18 Caro-Kann, Classical |
| 21. I Jankovec vs S Kupka |
| 0-1 | 41 | 1967 | Czechoslovak Championship | D50 Queen's Gambit Declined |
| 22. E Nowak vs I Jankovec |
| 0-1 | 50 | 1967 | Czechoslovak Championship | B18 Caro-Kann, Classical |
| 23. I Jankovec vs J Pribyl |
| 1-0 | 42 | 1967 | Czechoslovak Championship | A45 Queen's Pawn Game |
| 24. Smejkal vs I Jankovec |
| 1-0 | 73 | 1967 | Czechoslovak Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 25. I Jankovec vs M Ujtelky |
| 1-0 | 79 | 1967 | Czechoslovak Championship | A40 Queen's Pawn Game |
Kibitzing
