| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Portisch vs J Penrose |
| ½-½ | 27 | 1958 | Munich Olympiad qual-3 | E69 King's Indian, Fianchetto, Classical Main line |
| 2. Portisch vs Najdorf |
| ½-½ | 41 | 1961 | Bled | E69 King's Indian, Fianchetto, Classical Main line |
| 3. Portisch vs S Bakos |
| 1-0 | 40 | 1962 | HUN-ch 17th | E69 King's Indian, Fianchetto, Classical Main line |
| 4. Portisch vs M Aaron |
 | 0-1 | 27 | 1962 | Varna Olympiad qual-4 | E69 King's Indian, Fianchetto, Classical Main line |
| 5. Portisch vs Gligoric |
 | 1-0 | 38 | 1964 | HUN-YUG | E69 King's Indian, Fianchetto, Classical Main line |
| 6. Portisch vs Fischer |
| ½-½ | 46 | 1967 | Sousse Interzonal | E69 King's Indian, Fianchetto, Classical Main line |
| 7. Portisch vs Stein |
| 1-0 | 58 | 1967 | Sousse Interzonal | E69 King's Indian, Fianchetto, Classical Main line |
| 8. Portisch vs Reshevsky |
| ½-½ | 15 | 1967 | Sousse Interzonal | E69 King's Indian, Fianchetto, Classical Main line |
| 9. Portisch vs E Kassabe |
| 1-0 | 41 | 1974 | Nice Olympiad qual-4 | E69 King's Indian, Fianchetto, Classical Main line |
| 10. Portisch vs Westerinen |
| 1-0 | 50 | 1980 | Valletta Olympiad | E69 King's Indian, Fianchetto, Classical Main line |
| 11. Portisch vs Ermenkov |
| 1-0 | 37 | 1980 | Valletta Olympiad | E69 King's Indian, Fianchetto, Classical Main line |
| 12. Portisch vs A Ozsvath |
| 1-0 | 39 | 1992 | HUN-chT | E69 King's Indian, Fianchetto, Classical Main line |
| 13. Portisch vs Groszpeter |
| ½-½ | 19 | 1994 | HUN-chT 1993/94 | E69 King's Indian, Fianchetto, Classical Main line |
Kibitzing
