| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Skold vs Ulf Andersson |
 | 0-1 | 32 |
1969 |
Sverige | B50 Sicilian |
| 2. Smejkal vs Ulf Andersson |
 | 0-1 | 45 |
1969 |
Raach zt | B53 Sicilian |
| 3. A Olsson vs Ulf Andersson |
| ½-½ | 10 |
1969 |
Sverige | B63 Sicilian, Richter-Rauzer Attack |
| 4. Joop Piket vs Ulf Andersson |
| ½-½ | 55 |
1970 |
Wijk aan Zee | B45 Sicilian, Taimanov |
| 5. I Radulov vs Ulf Andersson |
 | 1-0 | 38 |
1970 |
Siegen olm prel | B90 Sicilian, Najdorf |
| 6. A Planinc vs Ulf Andersson |
 | 1-0 | 36 |
1970 |
Ch Yugoslavia, Sombor (Yugoslavia) | B45 Sicilian, Taimanov |
| 7. K H Maeder vs Ulf Andersson |
 | ½-½ | 10 |
1970 |
Wijk aan Zee | B45 Sicilian, Taimanov |
| 8. Bronstein vs Ulf Andersson |
| ½-½ | 12 |
1972 |
Las Palmas (Spain) | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 9. Hort vs Ulf Andersson |
| 1-0 | 24 |
1972 |
Skopje olm | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 10. I Radulov vs Ulf Andersson |
 | ½-½ | 50 |
1972 |
Hastings (England) | B48 Sicilian, Taimanov Variation |
| 11. Uhlmann vs Ulf Andersson |
 | ½-½ | 60 |
1972 |
Hastings | B36 Sicilian, Accelerated Fianchetto |
| 12. Timman vs Ulf Andersson |
 | 1-0 | 42 |
1973 |
Tallinn (Estonia) | B46 Sicilian, Taimanov Variation |
| 13. E Paoli vs Ulf Andersson |
 | 0-1 | 40 |
1973 |
Dortmund | B49 Sicilian, Taimanov Variation |
| 14. Hort vs Ulf Andersson |
| ½-½ | 19 |
1973 |
Las Palmas | B81 Sicilian, Scheveningen, Keres Attack |
| 15. V S Korensky vs Ulf Andersson |
| 0-1 | 67 |
1973 |
Sochi | B48 Sicilian, Taimanov Variation |
| 16. Najdorf vs Ulf Andersson |
| ½-½ | 21 |
1973 |
Wijk aan Zee | B43 Sicilian, Kan, 5.Nc3 |
| 17. Kaplan vs Ulf Andersson |
 | 0-1 | 69 |
1973 |
Madrid | B85 Sicilian, Scheveningen, Classical |
| 18. Kholmov vs Ulf Andersson |
| ½-½ | 56 |
1973 |
Chigorin mem | B22 Sicilian, Alapin |
| 19. Polugaevsky vs Ulf Andersson |
| ½-½ | 21 |
1973 |
Hilversum (Netherlands) | B36 Sicilian, Accelerated Fianchetto |
| 20. Balashov vs Ulf Andersson |
| 1-0 | 23 |
1973 |
Wijk aan Zee (Netherlands) | B85 Sicilian, Scheveningen, Classical |
| 21. Timman vs Ulf Andersson |
| ½-½ | 15 |
1973 |
Sotchi | B44 Sicilian |
| 22. H Westerinen vs Ulf Andersson |
 | 0-1 | 56 |
1973 |
Dortmund (Germany) | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 23. Browne vs Ulf Andersson |
| ½-½ | 41 |
1974 |
Las Palmas | B81 Sicilian, Scheveningen, Keres Attack |
| 24. R T Cardoso vs Ulf Andersson |
 | 0-1 | 75 |
1974 |
It, Manila (Philippines) | B81 Sicilian, Scheveningen, Keres Attack |
| 25. Schmid vs Ulf Andersson |
| 0-1 | 40 |
1974 |
Olympiad, Nice (France) | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |