| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Jansa vs W Schmidt |
| ½-½ | 19 |
1973 |
Leipzig DSV | B84 Sicilian, Scheveningen |
| 2. Jansa vs A Planinc |
| 1-0 | 28 |
1974 |
Amsterdam IBM | B84 Sicilian, Scheveningen |
| 3. Jansa vs Ribli |
| ½-½ | 52 |
1975 |
Reykjavik | B84 Sicilian, Scheveningen |
| 4. Jansa vs H Ree |
| 0-1 | 36 |
1976 |
Sochi | B84 Sicilian, Scheveningen |
| 5. Jansa vs Ermenkov |
 | 1-0 | 32 |
1978 |
Vrnjacka Banja | B84 Sicilian, Scheveningen |
| 6. Jansa vs I Radulov |
| 0-1 | 40 |
1979 |
Warsaw zt pr A | B84 Sicilian, Scheveningen |
| 7. Jansa vs Polugaevsky |
| 0-1 | 41 |
1980 |
Skara ETC | B84 Sicilian, Scheveningen |
| 8. Jansa vs P Stefanov |
| 0-1 | 43 |
1981 |
Hradec Kralove | B84 Sicilian, Scheveningen |
| 9. Jansa vs Suba |
| ½-½ | 16 |
1982 |
Baile Herculane zt | B84 Sicilian, Scheveningen |
| 10. Jansa vs Barlov |
| ½-½ | 33 |
1982 |
Smederevska Palanka | B84 Sicilian, Scheveningen |
| 11. Jansa vs S Martinovic |
| 1-0 | 34 |
1982 |
Smederevska Palanka | B84 Sicilian, Scheveningen |
| 12. Jansa vs Ftacnik |
| 0-1 | 39 |
1983 |
Arhus | B84 Sicilian, Scheveningen |
| 13. Jansa vs Z Ilic |
| ½-½ | 23 |
1984 |
03 | B84 Sicilian, Scheveningen |
| 14. Jansa vs J Adamski |
| ½-½ | 18 |
1984 |
Smederevska Palanka | B84 Sicilian, Scheveningen |
| 15. Jansa vs S Martinovic |
| ½-½ | 27 |
1984 |
Smederevska Palanka | B84 Sicilian, Scheveningen |
| 16. Jansa vs Z Sula |
| 1-0 | 44 |
1984 |
Thessaloniki olm ;BIG | B84 Sicilian, Scheveningen |
| 17. Jansa vs Polugaevsky |
| ½-½ | 23 |
1985 |
Biel izt | B84 Sicilian, Scheveningen |
| 18. Jansa vs Krum Georgiev |
| ½-½ | 13 |
1985 |
Prague zt | B84 Sicilian, Scheveningen |
| 19. Jansa vs Sax |
| 0-1 | 53 |
1986 |
Dubai | B84 Sicilian, Scheveningen |
| 20. Jansa vs I Stohl |
| ½-½ | 22 |
1987 |
Namestovo | B84 Sicilian, Scheveningen |
| 21. Jansa vs Ftacnik |
| ½-½ | 46 |
1989 |
Prag | B84 Sicilian, Scheveningen |
| 22. Jansa vs R Mainka |
| 1-0 | 46 |
1989 |
Bad Mergentheim | B84 Sicilian, Scheveningen |
| 23. Jansa vs I Stohl |
| ½-½ | 55 |
1989 |
Prag | B84 Sicilian, Scheveningen |
| 24. Jansa vs A Ziegler |
| 1-0 | 13 |
1990 |
Gausdal Arnold-Cup | B84 Sicilian, Scheveningen |
| 25. Jansa vs Plachetka |
| 1-0 | 33 |
1991 |
Stary Smokovec | B84 Sicilian, Scheveningen |