| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Eretova vs Plachetka |
| 0-1 | 41 |
1964 |
Harrachov 6465 | B16 Caro-Kann, Bronstein-Larsen Variation |
| 2. E Scholl vs Plachetka |
| 0-1 | 45 |
1966 |
Orebro Stud olm fA | B16 Caro-Kann, Bronstein-Larsen Variation |
| 3. K Honfi vs Plachetka |
| ½-½ | 39 |
1971 |
CSR-ch int | B16 Caro-Kann, Bronstein-Larsen Variation |
| 4. Savon vs Plachetka |
| 1-0 | 49 |
1980 |
Esbjerg | B16 Caro-Kann, Bronstein-Larsen Variation |
| 5. M Pavlov vs Plachetka |
| ½-½ | 17 |
1981 |
Tirnava | B16 Caro-Kann, Bronstein-Larsen Variation |
| 6. T Horvath vs Plachetka |
| ½-½ | 23 |
1981 |
Keszthely | B16 Caro-Kann, Bronstein-Larsen Variation |
| 7. G Horvath vs Plachetka |
| 0-1 | 62 |
1981 |
Keszthely | B16 Caro-Kann, Bronstein-Larsen Variation |
| 8. L Dobrovolsky vs Plachetka |
| 1-0 | 27 |
1981 |
Tatran Cup | B16 Caro-Kann, Bronstein-Larsen Variation |
| 9. D Donchev vs Plachetka |
| 1-0 | 27 |
1982 |
Reti mem | B16 Caro-Kann, Bronstein-Larsen Variation |
| 10. E Prandstetter vs Plachetka |
 | 1-0 | 32 |
1982 |
CSR-ch | B16 Caro-Kann, Bronstein-Larsen Variation |
| 11. S Kindermann vs Plachetka |
| 1-0 | 27 |
1987 |
Tatran Cup | B16 Caro-Kann, Bronstein-Larsen Variation |
| 12. K Mahdi vs Plachetka |
| ½-½ | 33 |
1990 |
AUT-chT | B16 Caro-Kann, Bronstein-Larsen Variation |
