| page 1 of 6; games 1-25 of 138 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Plachetka vs L Alster |
| 0-1 | 34 |
1962 |
CSR-ch | B27 Sicilian |
| 2. Plachetka vs Kavalek |
| ½-½ | 50 |
1962 |
CSR-ch | B90 Sicilian, Najdorf |
| 3. Plachetka vs Hort |
| 0-1 | 24 |
1962 |
CSR-ch | B90 Sicilian, Najdorf |
| 4. Plachetka vs Jansa |
| 0-1 | 26 |
1964 |
Harrachov 6465 | B44 Sicilian |
| 5. Plachetka vs Hort |
| 0-1 | 28 |
1964 |
Harrachov 6465 | B43 Sicilian, Kan, 5.Nc3 |
| 6. Plachetka vs J Bellin |
| 1-0 | 42 |
1965 |
Harrachov U26 | B41 Sicilian, Kan |
| 7. Plachetka vs J Trapl |
| ½-½ | 28 |
1966 |
Harrachov U26 | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 8. Plachetka vs A Kubicek |
| 1-0 | 41 |
1968 |
CSR-ch | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 9. Plachetka vs Dzindzichashvili |
| ½-½ | 35 |
1968 |
05, Ybbs | B25 Sicilian, Closed |
| 10. Plachetka vs Hort |
 | 0-1 | 70 |
1969 |
Luhacovice | B84 Sicilian, Scheveningen |
| 11. Plachetka vs G Szilagyi |
| 1-0 | 56 |
1969 |
Stary Smokovec | B23 Sicilian, Closed |
| 12. Plachetka vs Navarovszky |
| 1-0 | 34 |
1969 |
Luhacovice | B23 Sicilian, Closed |
| 13. Plachetka vs F Baumbach |
| ½-½ | 23 |
1970 |
EU-chT (Men) | B23 Sicilian, Closed |
| 14. Plachetka vs Antoshin |
| 0-1 | 35 |
1971 |
CSR-ch int | B54 Sicilian |
| 15. Plachetka vs Doda |
| 1-0 | 42 |
1971 |
Novy Smokovec | B46 Sicilian, Taimanov Variation |
| 16. Plachetka vs Hort |
| ½-½ | 30 |
1972 |
Trinec | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 17. Plachetka vs Jansa |
| ½-½ | 23 |
1972 |
Trinec | B46 Sicilian, Taimanov Variation |
| 18. Plachetka vs Doda |
| ½-½ | 35 |
1973 |
CSR-ch | B46 Sicilian, Taimanov Variation |
| 19. Plachetka vs J Adamski |
| ½-½ | 33 |
1973 |
Stary Smokovec | B43 Sicilian, Kan, 5.Nc3 |
| 20. Plachetka vs Saidy |
| 0-1 | 34 |
1973 |
Lublin | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 21. Plachetka vs Hort |
| 1-0 | 39 |
1973 |
Luhacovice | B81 Sicilian, Scheveningen, Keres Attack |
| 22. Plachetka vs K Pytel |
| ½-½ | 34 |
1973 |
Lublin | B50 Sicilian |
| 23. Plachetka vs H Liebert |
| ½-½ | 27 |
1974 |
Stary Smokovec | B44 Sicilian |
| 24. Plachetka vs S Kupka |
| ½-½ | 15 |
1974 |
CSR-ch | B85 Sicilian, Scheveningen, Classical |
| 25. Plachetka vs Tal |
| ½-½ | 32 |
1974 |
Nice | B22 Sicilian, Alapin |
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| page 1 of 6; games 1-25 of 138 |
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Secrets of Opening Surprises
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