| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. I Stohl vs Plachetka |
| 1-0 | 37 |
1984 |
Trnava | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 2. J Lechtynsky vs Plachetka |
| ½-½ | 21 |
1987 |
Namestovo | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 3. D Polajzer vs Plachetka |
| 0-1 | 29 |
1990 |
Zuerich op | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 4. A Duer vs Plachetka |
| ½-½ | 42 |
1991 |
AUT-chT | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 5. I Stohl vs Plachetka |
| 1-0 | 44 |
1992 |
CZE-chT | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 6. J L Arnason vs Plachetka |
| 1-0 | 21 |
1994 |
Moscow ol (Men) | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 7. N Stanec vs Plachetka |
| 1-0 | 56 |
1995 |
AUT-chT 9596 | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 8. A Rotstein vs Plachetka |
| 1-0 | 32 |
1997 |
AUT-chT2O 9798 | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 9. P Zvara vs Plachetka |
| 0-1 | 71 |
2001 |
CZE-chT 0102 | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |