| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Plachetka vs I Novak |
| 0-1 | 31 | 1965 | Klasterec nad Orlici U18 6566 | C64 Ruy Lopez, Classical |
| 2. I Novak vs Plachetka |
| ½-½ | 41 | 1966 | Harrachov U26 | B13 Caro-Kann, Exchange |
| 3. Smejkal vs I Novak |
| 1-0 | 32 | 1966 | Harrachov U26 | D73 Neo-Grunfeld, 5.Nf3 |
| 4. O Borik vs I Novak |
 | 1-0 | 19 | 1969 | CSR-ch U26 | C40 King's Knight Opening |
| 5. E Paoli vs I Novak |
| 0-1 | 40 | 1969 | Stary Smokovec | B13 Caro-Kann, Exchange |
| 6. Plachetka vs I Novak |
| ½-½ | 27 | 1969 | Stary Smokovec | A07 King's Indian Attack |
| 7. I Novak vs M Ujtelky |
| 0-1 | 41 | 1969 | Tatran Cup 17th | B06 Robatsch |
| 8. I Novak vs Plachetka |
| 0-1 | 45 | 1971 | Novy Smokovec | B22 Sicilian, Alapin |
| 9. L Vogt vs I Novak |
| ½-½ | 68 | 1971 | Novy Smokovec | C28 Vienna Game |
| 10. I Novak vs W Balcerowski |
| ½-½ | 40 | 1971 | Novy Smokovec | B09 Pirc, Austrian Attack |
| 11. I Privara vs I Novak |
| 0-1 | 48 | 1971 | Novy Smokovec | B07 Pirc |
| 12. I Novak vs J Banas |
| 0-1 | 43 | 1971 | Novy Smokovec | B09 Pirc, Austrian Attack |
| 13. L Espig vs I Novak |
| ½-½ | 27 | 1971 | Novy Smokovec | D34 Queen's Gambit Declined, Tarrasch |
| 14. I Novak vs S Gross |
| 0-1 | 50 | 1971 | Novy Smokovec | B22 Sicilian, Alapin |
| 15. I Novak vs Z Doda |
| ½-½ | 33 | 1971 | Novy Smokovec | B21 Sicilian, 2.f4 and 2.d4 |
| 16. Jansa vs I Novak |
| ½-½ | 28 | 1971 | Novy Smokovec | B07 Pirc |
| 17. I Novak vs K Rakay |
| 1-0 | 21 | 1971 | Novy Smokovec | C12 French, McCutcheon |
| 18. J Flesch vs I Novak |
| ½-½ | 36 | 1971 | Novy Smokovec | D50 Queen's Gambit Declined |
| 19. I Novak vs V Zilberstein |
| ½-½ | 73 | 1971 | Novy Smokovec | B22 Sicilian, Alapin |
| 20. A Bugar vs I Novak |
| 0-1 | 28 | 1971 | Novy Smokovec | D05 Queen's Pawn Game |
| 21. S Kupka vs I Novak |
| 1-0 | 30 | 1972 | Czechoslovak Championship | C41 Philidor Defense |
| 22. I Novak vs J Pribyl |
| ½-½ | 39 | 1972 | Czechoslovak Championship | A45 Queen's Pawn Game |
| 23. J Lechtynsky vs I Novak |
| 1-0 | 21 | 1972 | Czechoslovak Championship | B15 Caro-Kann |
| 24. I Novak vs J Malis |
| 1-0 | 30 | 1972 | Czechoslovak Championship | B06 Robatsch |
| 25. Smejkal vs I Novak |
| 1-0 | 32 | 1972 | Czechoslovak Championship | A10 English |
Kibitzing
