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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Plachetka vs Kavalek |
| ½-½ | 50 |
1962 |
CSR-ch | B90 Sicilian, Najdorf |
| 2. Plachetka vs Hort |
| 0-1 | 24 |
1962 |
CSR-ch | B90 Sicilian, Najdorf |
| 3. Plachetka vs R Rodriguez |
| 1-0 | 40 |
1975 |
Rubinstein mem | B90 Sicilian, Najdorf |
| 4. Plachetka vs Ftacnik |
| 1-0 | 53 |
1979 |
Tirnavia-A | B90 Sicilian, Najdorf |
| 5. Plachetka vs A Poulsen |
| 0-1 | 29 |
1980 |
Politiken Cup | B90 Sicilian, Najdorf |
| 6. Plachetka vs I Stohl |
 | 1-0 | 34 |
1989 |
Praha 48/339 [Plachetka,J] | B90 Sicilian, Najdorf |
| 7. Plachetka vs I Nemet |
| 1-0 | 42 |
1991 |
Zuerich op | B90 Sicilian, Najdorf |
| 8. Plachetka vs Cosson Jeoffray |
| 1-0 | 11 |
1992 |
Ch France (team) | B90 Sicilian, Najdorf |
| 9. Plachetka vs I Novikov |
| 0-1 | 77 |
1994 |
Ostrava | B90 Sicilian, Najdorf |
| 10. Plachetka vs L Havlicek |
 | 1-0 | 29 |
2003 |
Tatry Open | B90 Sicilian, Najdorf |
| 11. Plachetka vs D Baramidze |
| ½-½ | 35 |
2004 |
NRW Class1 0405 | B90 Sicilian, Najdorf |
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Secrets of Opening Surprises
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