| page 1 of 1; 15 games |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Ivkov vs Portisch |
| ½-½ | 56 |
1963 |
Sarajevo | C93 Ruy Lopez, Closed, Smyslov Defense |
| 2. T Filep vs Portisch |
| ½-½ | 36 |
1963 |
Ungarn | C93 Ruy Lopez, Closed, Smyslov Defense |
| 3. C B Van den Berg vs Portisch |
| ½-½ | 55 |
1964 |
Beverwijk | C93 Ruy Lopez, Closed, Smyslov Defense |
| 4. Spassky vs Portisch |
| ½-½ | 23 |
1966 |
Santa Monica | C93 Ruy Lopez, Closed, Smyslov Defense |
| 5. Geller vs Portisch |
 | 1-0 | 23 |
1967 |
Moscow | C93 Ruy Lopez, Closed, Smyslov Defense |
| 6. Keres vs Portisch |
 | 0-1 | 90 |
1967 |
Moscow | C93 Ruy Lopez, Closed, Smyslov Defense |
| 7. Minev vs Portisch |
| 0-1 | 73 |
1967 |
Halle | C93 Ruy Lopez, Closed, Smyslov Defense |
| 8. Spassky vs Portisch |
| ½-½ | 54 |
1968 |
Lugano | C93 Ruy Lopez, Closed, Smyslov Defense |
| 9. Gheorghiu vs Portisch |
| ½-½ | 20 |
1968 |
Monaco | C93 Ruy Lopez, Closed, Smyslov Defense |
| 10. Kavalek vs Portisch |
| 0-1 | 53 |
1969 |
Amsterdam | C93 Ruy Lopez, Closed, Smyslov Defense |
| 11. Mecking vs Portisch |
| ½-½ | 31 |
1972 |
San Antonio | C93 Ruy Lopez, Closed, Smyslov Defense |
| 12. Gheorghiu vs Portisch |
| ½-½ | 22 |
1972 |
Las Palmas | C93 Ruy Lopez, Closed, Smyslov Defense |
| 13. Psakhis vs Portisch |
| ½-½ | 32 |
1986 |
Sarajevo | C93 Ruy Lopez, Closed, Smyslov Defense |
| 14. Huebner vs Portisch |
| ½-½ | 36 |
1986 |
Tilburg | C93 Ruy Lopez, Closed, Smyslov Defense |
| 15. Timman vs Portisch |
| ½-½ | 62 |
1989 |
Antwerp | C93 Ruy Lopez, Closed, Smyslov Defense |
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Secrets of Opening Surprises
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