| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. I Jankovec vs J Marsalek |
| 0-1 | 55 |
1965 |
CSR-ch | A88 Dutch, Leningrad, Main Variation with c6 |
| 2. I Jankovec vs J Vesely |
| 0-1 | 32 |
1965 |
CSR-ch | E14 Queen's Indian |
| 3. I Jankovec vs Smejkal |
| 0-1 | 31 |
1965 |
CSR-ch | B36 Sicilian, Accelerated Fianchetto |
| 4. J Lechtynsky vs I Jankovec |
| 1-0 | 37 |
1967 |
CSR-ch | B19 Caro-Kann, Classical |
| 5. Smejkal vs I Jankovec |
| 1-0 | 73 |
1967 |
CSR-ch | B14 Caro-Kann, Panov-Botvinnik Attack |
| 6. I Jankovec vs J Kozma |
| 0-1 | 57 |
1967 |
CSR-ch | E51 Nimzo-Indian, 4.e3 |
| 7. I Jankovec vs F Blatny |
| 0-1 | 35 |
1968 |
Havirov | A25 English |
| 8. Plachetka vs I Jankovec |
| 1-0 | 22 |
1969 |
Stary Smokovec | A30 English, Symmetrical |
| 9. I Jankovec vs J Kozma |
| 0-1 | 51 |
1969 |
Stary Smokovec | A07 King's Indian Attack |
| 10. I Jankovec vs Smejkal |
| 0-1 | 35 |
1970 |
CSR-ch Havirov | A07 King's Indian Attack |
| 11. I Jankovec vs Hort |
| 0-1 | 26 |
1970 |
CZE | A25 English |
| 12. I Jankovec vs J Lechtynsky |
| 0-1 | 40 |
1970 |
CSR-ch Havirov | A98 Dutch, Ilyin-Genevsky Variation with Qc2 |
| 13. Plachetka vs I Jankovec |
 | 1-0 | 35 |
1972 |
CSR-ch | A88 Dutch, Leningrad, Main Variation with c6 |
| 14. I Jankovec vs J Lechtynsky |
| 0-1 | 40 |
1972 |
CSR-ch | A04 Reti Opening |
| 15. I Jankovec vs G Kluger |
| 0-1 | 47 |
1973 |
Primat 3rd | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 16. Pinter vs I Jankovec |
| 1-0 | 35 |
1974 |
Trinec (Czech Republic) | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 17. I Jankovec vs G Timoshchenko |
| 0-1 | 70 |
1974 |
Rimavska Sobota | A32 English, Symmetrical Variation |
| 18. I Jankovec vs J Lechtynsky |
| 0-1 | 32 |
1976 |
CSR-ch | E50 Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 |
| 19. Plachetka vs I Jankovec |
| 1-0 | 58 |
1976 |
CSR-ch | A73 Benoni, Classical, 9.O-O |
| 20. Lilienthal vs I Jankovec |
| 1-0 | 37 |
1977 |
It cat 5 | D89 Grunfeld |
| 21. Smejkal vs I Jankovec |
| 1-0 | 38 |
1978 |
CSR-ch | D34 Queen's Gambit Declined, Tarrasch |
| 22. I Jankovec vs K Mokry |
| 0-1 | 44 |
1978 |
Decin-B 8th | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 23. I Jankovec vs B Perenyi |
| 0-1 | 49 |
1978 |
Decin-B 8th | A31 English, Symmetrical, Benoni Formation |
| 24. Plachetka vs I Jankovec |
| 1-0 | 25 |
1978 |
CSR-ch | B82 Sicilian, Scheveningen |
| 25. Ftacnik vs I Jankovec |
| 1-0 | 40 |
1978 |
Ch Czechoslovakia, Marianske Lazne (Czech Repub | A15 English |