| page 1 of 1; 12 games |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J T Barendregt vs Portisch |
 | 1-0 | 41 |
1963 |
Amsterdam | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 2. Fischer vs Portisch |
 | 1-0 | 34 |
1966 |
Havana ol final | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 3. J Johansson vs Portisch |
| 1-0 | 37 |
1967 |
Halle | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 4. M Damjanovic vs Portisch |
| 0-1 | 17 |
1967 |
Palma de Mallorca | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 5. L Barczay vs Portisch |
| 0-1 | 34 |
1967 |
Sousse | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 6. Hort vs Portisch |
| 0-1 | 32 |
1968 |
Skopje/Ohrid 6/338 | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 7. Ulf Andersson vs Portisch |
| 0-1 | 36 |
1972 |
Las Palmas | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 8. Browne vs Portisch |
| ½-½ | 41 |
1975 |
Wijk aan Zee (Netherlands) | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 9. Pinter vs Portisch |
| 0-1 | 53 |
1975 |
It (open) | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 10. Larsen vs Portisch |
 | 1-0 | 64 |
1977 |
Rotterdam | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 11. Larsen vs Portisch |
| ½-½ | 63 |
1977 |
Rotterdam | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 12. Nunn vs Portisch |
| ½-½ | 40 |
1985 |
Wijk aan Zee | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
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Secrets of Opening Surprises
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