| page 1 of 4; games 1-25 of 88 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Nielsen vs Portisch |
| 0-1 | 63 |
1956 |
Moscow | C01 French, Exchange |
| 2. L Szollosi Sr vs Portisch |
| 0-1 | 58 |
1956 |
Budapest | C02 French, Advance |
| 3. Benko vs Portisch |
| 0-1 | 32 |
1956 |
Budapest | C04 French, Tarrasch, Guimard Main line |
| 4. Z Berger vs Portisch |
| 0-1 | 28 |
1956 |
Budapest | C18 French, Winawer |
| 5. M Bertok vs Portisch |
| ½-½ | 59 |
1957 |
HUN-JUG m | C04 French, Tarrasch, Guimard Main line |
| 6. J Lahti vs Portisch |
| 0-1 | 45 |
1957 |
WchT U26 04th | C19 French, Winawer, Advance |
| 7. Bely Miklos vs Portisch |
| 1-0 | 21 |
1957 |
HUN-ch 12th | C04 French, Tarrasch, Guimard Main line |
| 8. S Witkowski vs Portisch |
| 0-1 | 35 |
1958 |
Munchen | C02 French, Advance |
| 9. E Paoli vs Portisch |
| 0-1 | 42 |
1958 |
Asztalos mem | C04 French, Tarrasch, Guimard Main line |
| 10. Yanofsky vs Portisch |
| 1-0 | 41 |
1958 |
Munchen | C04 French, Tarrasch, Guimard Main line |
| 11. M Czerniak vs Portisch |
| ½-½ | 16 |
1958 |
13th olm final B | C01 French, Exchange |
| 12. K Honfi vs Portisch |
| 0-1 | 43 |
1958 |
Budapest | C18 French, Winawer |
| 13. A Franck vs Portisch |
| 0-1 | 26 |
1958 |
13th olm final B | C19 French, Winawer, Advance |
| 14. P Dely vs Portisch |
| ½-½ | 41 |
1959 |
Balatonfured | C18 French, Winawer |
| 15. G Barcza vs Portisch |
| 0-1 | 54 |
1959 |
DDR | C15 French, Winawer |
| 16. Aronin vs Portisch |
| ½-½ | 57 |
1959 |
Moscow | C09 French, Tarrasch, Open Variation, Main line |
| 17. A Matanovic vs Portisch |
| 1-0 | 46 |
1959 |
Jugoslavien | C07 French, Tarrasch |
| 18. Ivkov vs Portisch |
| 1-0 | 54 |
1960 |
Budapest | C18 French, Winawer |
| 19. Ivkov vs Portisch |
| 1-0 | 54 |
1960 |
Jugoslavien | C18 French, Winawer |
| 20. Ivkov vs Portisch |
 | 1-0 | 31 |
1961 |
Bled | C18 French, Winawer |
| 21. Parma vs Portisch |
| ½-½ | 59 |
1961 |
Bled (Slovenia) | C18 French, Winawer |
| 22. Keres vs Portisch |
 | 1-0 | 38 |
1961 |
Bled (10.09.61) | C09 French, Tarrasch, Open Variation, Main line |
| 23. Pachman vs Portisch |
| ½-½ | 21 |
1961 |
Bled | C07 French, Tarrasch |
| 24. Keres vs Portisch |
| 1-0 | 38 |
1961 |
Bled | C09 French, Tarrasch, Open Variation, Main line |
| 25. P Trifunovic vs Portisch |
| ½-½ | 50 |
1961 |
Bled | C05 French, Tarrasch |
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| page 1 of 4; games 1-25 of 88 |
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Secrets of Opening Surprises
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