| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Kostro vs Plachetka |
| ½-½ | 19 |
1972 |
Stary Smokovec | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 2. Pribyl vs Plachetka |
| ½-½ | 19 |
1973 |
Stary Smokovec | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 3. Velimirovic vs Plachetka |
| 1-0 | 38 |
1974 |
Nice ol (Men) fin-A | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 4. Ermenkov vs Plachetka |
| ½-½ | 41 |
1979 |
Sofia | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 5. A J Mestel vs Plachetka |
| 0-1 | 37 |
1980 |
Esbjerg | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 6. Pribyl vs Plachetka |
| ½-½ | 41 |
1981 |
Tirnava | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 7. Pribyl vs Plachetka |
| ½-½ | 43 |
1981 |
Hradec Kralove | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 8. J Lechtynsky vs Plachetka |
| ½-½ | 20 |
1982 |
Reti mem | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 9. Z Varga vs Plachetka |
| ½-½ | 50 |
2000 |
AUT-chT2O 0001 | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 10. B Heberla vs Plachetka |
| 0-1 | 56 |
2007 |
Cappelle la Grande | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |