| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Smejkal vs Ulf Andersson |
 | 0-1 | 45 |
1969 |
Raach zt | B53 Sicilian |
| 2. Smejkal vs Ulf Andersson |
| 0-1 | 29 |
1970 |
Zt (play-off), Prague (Czech Republic) | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 3. Ulf Andersson vs Smejkal |
| 0-1 | 35 |
1970 |
Zt (play-off), Prague (Czech Republic) | C73 Ruy Lopez, Modern Steinitz Defense |
| 4. Ulf Andersson vs Smejkal |
| 1-0 | 40 |
1972 |
Palma de Majorca (Spain) | A34 English, Symmetrical |
| 5. Smejkal vs Ulf Andersson |
| ½-½ | 33 |
1973 |
Chigorin mem | E91 King's Indian |
| 6. Ulf Andersson vs Smejkal |
| 1-0 | 34 |
1973 |
It, Amsterdam (Netherlands) | A07 King's Indian Attack |
| 7. Ulf Andersson vs Smejkal |
| ½-½ | 50 |
1975 |
Milan | A15 English |
| 8. Smejkal vs Ulf Andersson |
| 1-0 | 36 |
1976 |
Izt (cat.12) | A36 English |
| 9. Smejkal vs Ulf Andersson |
| 0-1 | 41 |
1976 |
Banja Luka | A62 Benoni, Fianchetto Variation |
| 10. Ulf Andersson vs Smejkal |
| ½-½ | 67 |
1976 |
Hoogovens | A07 King's Indian Attack |
| 11. Smejkal vs Ulf Andersson |
| ½-½ | 18 |
1977 |
It, Vrbas (Yugoslavia) | E13 Queen's Indian, 4.Nc3, Main line |
| 12. Ulf Andersson vs Smejkal |
| ½-½ | 91 |
1978 |
Titovo Uzice | D77 Neo-Grunfeld, 6.O-O |
| 13. Smejkal vs Ulf Andersson |
| ½-½ | 48 |
1979 |
IBM | A30 English, Symmetrical |
| 14. Smejkal vs Ulf Andersson |
| ½-½ | 44 |
1979 |
Banja Luka it | A34 English, Symmetrical |
| 15. Ulf Andersson vs Smejkal |
| ½-½ | 23 |
1981 |
Moscow | A38 English, Symmetrical |
| 16. Smejkal vs Ulf Andersson |
| 0-1 | 54 |
1985 |
Reggio Emilia 8586 | D55 Queen's Gambit Declined |
| 17. Ulf Andersson vs Smejkal |
| 1-0 | 32 |
1996 |
Kottnauer mem, Prague CZE | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 18. Smejkal vs Ulf Andersson |
| ½-½ | 14 |
1996 |
Kottnauer mem, Prague CZE | A30 English, Symmetrical |
