| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Plachetka vs I Jankovec |
 | 1-0 | 35 |
1972 |
CSR-ch | A88 Dutch, Leningrad, Main Variation with c6 |
| 27. I Jankovec vs G Kluger |
| 0-1 | 47 |
1973 |
Primat 3rd | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 28. S Kupka vs I Jankovec |
| ½-½ | 23 |
1973 |
VI. TJ Sigma MZ Olomouc | A00 Uncommon Opening |
| 29. F Blatny vs I Jankovec |
| ½-½ | 13 |
1973 |
Primat 3rd | C68 Ruy Lopez, Exchange |
| 30. I Jankovec vs E Paoli |
| ½-½ | 28 |
1973 |
Olomouc Sigma 6th | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 31. I Jankovec vs F Blatny |
| ½-½ | 13 |
1974 |
Rimavska Sobota | D35 Queen's Gambit Declined |
| 32. Minev vs I Jankovec |
| 0-1 | 73 |
1974 |
Rimavska Sobota | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 33. I Jankovec vs G Timoshchenko |
| 0-1 | 70 |
1974 |
Rimavska Sobota | A32 English, Symmetrical Variation |
| 34. Ujtelky vs I Jankovec |
| 0-1 | 38 |
1974 |
Rimavska Sobota | A01 Nimzovich-Larsen Attack |
| 35. Pinter vs I Jankovec |
| 1-0 | 35 |
1974 |
Trinec (Czech Republic) | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 36. I Jankovec vs J Lechtynsky |
| 0-1 | 32 |
1976 |
CSR-ch | E50 Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 |
| 37. Plachetka vs I Jankovec |
| 1-0 | 58 |
1976 |
CSR-ch | A73 Benoni, Classical, 9.O-O |
| 38. J Lechtynsky vs I Jankovec |
| ½-½ | 42 |
1977 |
Decin | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 39. Lilienthal vs I Jankovec |
| 1-0 | 37 |
1977 |
It cat 5 | D89 Grunfeld |
| 40. Plachetka vs I Jankovec |
| 1-0 | 25 |
1978 |
CSR-ch | B82 Sicilian, Scheveningen |
| 41. I Jankovec vs B Perenyi |
| 0-1 | 49 |
1978 |
Decin-B 8th | A31 English, Symmetrical, Benoni Formation |
| 42. I Jankovec vs K Mokry |
| 0-1 | 44 |
1978 |
Decin-B 8th | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 43. Ftacnik vs I Jankovec |
| 1-0 | 40 |
1978 |
Ch Czechoslovakia, Marianske Lazne (Czech Repub | A15 English |
| 44. I Jankovec vs J Lechtynsky |
| ½-½ | 34 |
1978 |
CSR-ch | D43 Queen's Gambit Declined Semi-Slav |
| 45. I Jankovec vs J Ambroz |
| ½-½ | 42 |
1978 |
CSR-ch | A15 English |
| 46. Smejkal vs I Jankovec |
| 1-0 | 38 |
1978 |
CSR-ch | D34 Queen's Gambit Declined, Tarrasch |
| 47. F Blatny vs I Jankovec |
| ½-½ | 14 |
1978 |
Decin-B 8th | B25 Sicilian, Closed |
| 48. I Jankovec vs J Lechtynsky |
| ½-½ | 43 |
1980 |
Hornicky Kahanec | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 49. V Nedela vs I Jankovec |
| 1-0 | 33 |
2001 |
open | B50 Sicilian |