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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Portisch vs Reshevsky |
| ½-½ | 24 | 1964 | Amsterdam Interzonal Playoff | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 2. Portisch vs Larsen |
| 1-0 | 39 | 1968 | Chess Olympiad Final-A | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 3. Portisch vs Petrosian |
 | ½-½ | 40 | 1974 | Petrosian - Portisch Candidates Quarterfinal | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 4. Portisch vs Petrosian |
| ½-½ | 29 | 1974 | Petrosian - Portisch Candidates Quarterfinal | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 5. Portisch vs H Pfleger |
| 1-0 | 33 | 1974 | Manila | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
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Kibitzing