| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. I Ryc vs Plachetka |
| ½-½ | 17 | 1965 | Klasterec nad Orlici U18 6566 | C41 Philidor Defense |
| 2. I Ryc vs Smejkal |
| 0-1 | 58 | 1966 | Harrachov U26 | B92 Sicilian, Najdorf, Opocensky Variation |
| 3. Plachetka vs I Ryc |
| ½-½ | 40 | 1966 | Harrachov U26 | D24 Queen's Gambit Accepted |
| 4. I Ryc vs F Blatny |
| 1-0 | 39 | 1967 | Czechoslovak Championship | C12 French, McCutcheon |
| 5. I Ryc vs P Machacek |
| 0-1 | 37 | 1967 | Czechoslovak Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 6. J Kozma vs I Ryc |
| 1-0 | 29 | 1967 | Czechoslovak Championship | E67 King's Indian, Fianchetto |
| 7. I Ryc vs J Trapl |
| ½-½ | 17 | 1967 | Czechoslovak Championship | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 8. J Trmal vs I Ryc |
| 1-0 | 40 | 1967 | Czechoslovak Championship | E77 King's Indian |
| 9. I Ryc vs A Kubicek |
| 1-0 | 39 | 1967 | Czechoslovak Championship | B09 Pirc, Austrian Attack |
| 10. V Stulik vs I Ryc |
| 1-0 | 21 | 1967 | Czechoslovak Championship | A19 English, Mikenas-Carls, Sicilian Variation |
| 11. I Ryc vs J Augustin |
| ½-½ | 16 | 1967 | Czechoslovak Championship | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 12. I Jankovec vs I Ryc |
| 1-0 | 32 | 1967 | Czechoslovak Championship | A56 Benoni Defense |
| 13. I Ryc vs S Kupka |
| ½-½ | 24 | 1967 | Czechoslovak Championship | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 14. E Nowak vs I Ryc |
| 1-0 | 39 | 1967 | Czechoslovak Championship | C63 Ruy Lopez, Schliemann Defense |
| 15. I Ryc vs J Pribyl |
| 0-1 | 41 | 1967 | Czechoslovak Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. Smejkal vs I Ryc |
| ½-½ | 62 | 1967 | Czechoslovak Championship | E67 King's Indian, Fianchetto |
| 17. I Ryc vs M Ujtelky |
| 0-1 | 27 | 1967 | Czechoslovak Championship | B06 Robatsch |
| 18. J Lechtynsky vs I Ryc |
| 0-1 | 60 | 1967 | Czechoslovak Championship | E69 King's Indian, Fianchetto, Classical Main line |
| 19. Jansa vs I Ryc |
| 1-0 | 68 | 1968 | CSR-chT | E61 King's Indian |
| 20. P Orev vs I Ryc |
| 0-1 | 38 | 1968 | Kislovodsk | B10 Caro-Kann |
| 21. Gufeld vs I Ryc |
| 1-0 | 54 | 1968 | Kislovodsk | B05 Alekhine's Defense, Modern |
| 22. I Ryc vs B Gurgenidze |
| 0-1 | 41 | 1968 | Kislovodsk | B06 Robatsch |
| 23. I Ryc vs K Honfi |
| 0-1 | 72 | 1968 | Kislovodsk | B27 Sicilian |
| 24. I Ryc vs A Khasin |
| ½-½ | 73 | 1968 | Kislovodsk | B09 Pirc, Austrian Attack |
| 25. I Ryc vs Geller |
| 0-1 | 35 | 1968 | Kislovodsk | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
Kibitzing
