| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Jansa vs O Jakobsen |
| 1-0 | 72 |
1981 |
Copenhagen | B70 Sicilian, Dragon Variation |
| 2. Jansa vs K J Wicker |
| ½-½ | 86 |
1981 |
Esbjerg | B70 Sicilian, Dragon Variation |
| 3. Jansa vs Karlsson |
| ½-½ | 46 |
1981 |
Svendborg | B70 Sicilian, Dragon Variation |
| 4. Jansa vs DeFirmian |
| 0-1 | 36 |
1983 |
Vrnjachka Banja (Yugoslavia) | B70 Sicilian, Dragon Variation |
| 5. Jansa vs Pekarek Alesh |
| 0-1 | 49 |
1986 |
CZE | B70 Sicilian, Dragon Variation |
| 6. Jansa vs Kiril Georgiev |
| 0-1 | 34 |
1986 |
Malmo | B70 Sicilian, Dragon Variation |
| 7. Jansa vs C Hansen |
| ½-½ | 37 |
1986 |
Odense | B70 Sicilian, Dragon Variation |
| 8. Jansa vs Pekarek Alesh |
| 0-1 | 49 |
1986 |
Prag | B70 Sicilian, Dragon Variation |
| 9. Jansa vs Pekarek Alesh |
| 1-0 | 47 |
1987 |
Namestovo | B70 Sicilian, Dragon Variation |
| 10. Jansa vs Sax |
 | ½-½ | 15 |
1987 |
Warsaw zt-A | B70 Sicilian, Dragon Variation |
| 11. Jansa vs Sax |
| ½-½ | 15 |
1987 |
Warszawa 43/(261) | B70 Sicilian, Dragon Variation |
| 12. Jansa vs D Komljenovic |
| 0-1 | 37 |
1988 |
Bad Worishofen | B70 Sicilian, Dragon Variation |
| 13. Jansa vs R Winsnes |
| 1-0 | 32 |
1988 |
Gausdal | B70 Sicilian, Dragon Variation |
| 14. Jansa vs W Watson |
| 1-0 | 30 |
1988 |
Jansa,V | B70 Sicilian, Dragon Variation |
| 15. Jansa vs Petursson |
| 1-0 | 42 |
1988 |
Gausdal 46/269 [Jansa,V] | B70 Sicilian, Dragon Variation |
| 16. Jansa vs Conquest |
| 1-0 | 45 |
1989 |
BL 8889 ;BL | B70 Sicilian, Dragon Variation |
| 17. Jansa vs Bauer Manfred |
| ½-½ | 81 |
1990 |
Tyskland | B70 Sicilian, Dragon Variation |
| 18. Jansa vs Khalifman |
| ½-½ | 31 |
1991 |
BL 9091 ;BL | B70 Sicilian, Dragon Variation |
| 19. Jansa vs F Hellers |
| 0-1 | 41 |
1991 |
Herning | B70 Sicilian, Dragon Variation |
| 20. Jansa vs W Watson |
| ½-½ | 60 |
1991 |
Oslo | B70 Sicilian, Dragon Variation |
| 21. Jansa vs Molnar Vojtech |
| 1-0 | 23 |
1991 |
Rimavska Sobota | B70 Sicilian, Dragon Variation |
| 22. Jansa vs J Obsivac |
| 0-1 | 37 |
1992 |
CZE-chT | B70 Sicilian, Dragon Variation |
| 23. Jansa vs S Vanderwaeren |
| 1-0 | 24 |
1993 |
Ostende op | B70 Sicilian, Dragon Variation |
| 24. Jansa vs M Jirovsky |
| ½-½ | 14 |
1994 |
CZE-ch | B70 Sicilian, Dragon Variation |
| 25. Jansa vs C Ward |
| 0-1 | 75 |
1995 |
Hillerod Politiken | B70 Sicilian, Dragon Variation |
