| page 1 of 2; games 1-25 of 27 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. I Novak vs Plachetka |
| 0-1 | 45 |
1971 |
Novy Smokovec | B22 Sicilian, Alapin |
| 2. W Dietze vs Plachetka |
| 0-1 | 37 |
1975 |
Rimavska Sobota-A 4th | B22 Sicilian, Alapin |
| 3. Minev vs Plachetka |
| ½-½ | 32 |
1976 |
Decin-A | B22 Sicilian, Alapin |
| 4. G Klemencic vs Plachetka |
| 0-1 | 27 |
1977 |
Maribor | B22 Sicilian, Alapin |
| 5. I Novak vs Plachetka |
| 0-1 | 40 |
1978 |
Tatran Cup | B22 Sicilian, Alapin |
| 6. T Halasz vs Plachetka |
| 0-1 | 39 |
1985 |
Balatonbereny op | B22 Sicilian, Alapin |
| 7. V Okhotnik vs Plachetka |
| 0-1 | 59 |
1985 |
Balatonbereny op | B22 Sicilian, Alapin |
| 8. Blatny vs Plachetka |
| 0-1 | 55 |
1986 |
Trnava | B22 Sicilian, Alapin |
| 9. S Smagin vs Plachetka |
| 1-0 | 24 |
1987 |
Tirnavia-A | B22 Sicilian, Alapin |
| 10. T Lematschko vs Plachetka |
| 1-0 | 53 |
1988 |
Belgrade GMA op | B22 Sicilian, Alapin |
| 11. L Pinkus vs Plachetka |
| 0-1 | 56 |
1990 |
Val Maubuee op2 | B22 Sicilian, Alapin |
| 12. V Kontic vs Plachetka |
| ½-½ | 61 |
1990 |
Val Maubuee op | B22 Sicilian, Alapin |
| 13. B Stein vs Plachetka |
| 0-1 | 35 |
1990 |
Copenhagen op | B22 Sicilian, Alapin |
| 14. M Gola vs Plachetka |
| 0-1 | 51 |
1990 |
CSR-chT 9091 | B22 Sicilian, Alapin |
| 15. K Petschar vs Plachetka |
| ½-½ | 42 |
1991 |
Oberwart op | B22 Sicilian, Alapin |
| 16. P David vs Plachetka |
| 0-1 | 48 |
1991 |
Bardejov | B22 Sicilian, Alapin |
| 17. Jiri Nun vs Plachetka |
| ½-½ | 41 |
1991 |
Ostrava | B22 Sicilian, Alapin |
| 18. Votava vs Plachetka |
| ½-½ | 61 |
1992 |
CSR-ch | B22 Sicilian, Alapin |
| 19. Blatny vs Plachetka |
| 1-0 | 39 |
1993 |
AUT-chT | B22 Sicilian, Alapin |
| 20. Jonkman vs Plachetka |
| 0-1 | 31 |
1993 |
Cannes op2 | B22 Sicilian, Alapin |
| 21. M Neulinger vs Plachetka |
| 0-1 | 56 |
1994 |
AUT-chT 9495 | B22 Sicilian, Alapin |
| 22. E Weinzettl vs Plachetka |
| 0-1 | 44 |
1995 |
AUT-chT 9596 | B22 Sicilian, Alapin |
| 23. J Dovzik vs Plachetka |
| ½-½ | 43 |
1997 |
SVK-ch | B22 Sicilian, Alapin |
| 24. S Hmadi vs Plachetka |
| 1-0 | 40 |
1997 |
Tunis op | B22 Sicilian, Alapin |
| 25. D Sermek vs Plachetka |
| 1-0 | 37 |
1998 |
Pula op 12th | B22 Sicilian, Alapin |
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| page 1 of 2; games 1-25 of 27 |
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