| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Forintos vs Portisch |
 | 1-0 | 80 | 1981 | HUN-ch | E38 Nimzo-Indian, Classical, 4...c5 |
| 2. K Hulak vs Portisch |
| ½-½ | 18 | 1982 | Toluca Interzonal | E38 Nimzo-Indian, Classical, 4...c5 |
| 3. Seirawan vs Portisch |
| 1-0 | 36 | 1983 | First Lady Cup 2nd | E38 Nimzo-Indian, Classical, 4...c5 |
| 4. S Saeed vs Portisch |
| 0-1 | 63 | 1984 | Thessaloniki Olympiad | E38 Nimzo-Indian, Classical, 4...c5 |
| 5. Smyslov vs Portisch |
| ½-½ | 39 | 1985 | Montpellier Candidates | E38 Nimzo-Indian, Classical, 4...c5 |
| 6. M Gurevich vs Portisch |
| 1-0 | 43 | 1988 | Madrid Rapid | E38 Nimzo-Indian, Classical, 4...c5 |
| 7. A Chernin vs Portisch |
| ½-½ | 31 | 1990 | Moscow GMA-qual f | E38 Nimzo-Indian, Classical, 4...c5 |
| 8. Zsuzsa Polgar vs Portisch |
| 1-0 | 61 | 1994 | Monaco, Wom-Vet | E38 Nimzo-Indian, Classical, 4...c5 |
| 9. I Sokolov vs Portisch |
| 0-1 | 37 | 1994 | Moscow Olympiad | E38 Nimzo-Indian, Classical, 4...c5 |
| 10. V Erdos vs Portisch |
| ½-½ | 35 | 2005 | Hungarian Championship | E38 Nimzo-Indian, Classical, 4...c5 |
| 11. Dreev vs Portisch |
| ½-½ | 34 | 2005 | European Club Cup | E38 Nimzo-Indian, Classical, 4...c5 |
| 12. Ljubojevic vs Portisch |
 | 1-0 | 33 | 2008 | Corus Honorary Group | E38 Nimzo-Indian, Classical, 4...c5 |
| 13. Beliavsky vs Portisch |
| ½-½ | 62 | 2008 | Bazna King's Tournament | E38 Nimzo-Indian, Classical, 4...c5 |
Kibitzing
