| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Jobava vs L Cernousek |
| 1-0 | 38 |
1997 |
Wch U14 | D19 Queen's Gambit Declined Slav, Dutch |
| 2. Karpov vs L Cernousek |
 | 1-0 | 29 |
1998 |
Simultan, Internet | D17 Queen's Gambit Declined Slav |
| 3. J Strejc vs L Cernousek |
| ½-½ | 43 |
1999 |
CZE-ch U18 | B20 Sicilian |
| 4. M Zurek vs L Cernousek |
| 1-0 | 34 |
2000 |
KB Czech Open | A01 Nimzovich-Larsen Attack |
| 5. L Cernousek vs J Lechtynsky |
| 0-1 | 32 |
2000 |
Schneider Bohemia op-A | B14 Caro-Kann, Panov-Botvinnik Attack |
| 6. L Cernousek vs D Rasic |
| 1-0 | 32 |
2000 |
EU-ch U18 | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. Navara vs L Cernousek |
| 1-0 | 51 |
2000 |
Olomouc Mipap Cup | B76 Sicilian, Dragon, Yugoslav Attack |
| 8. T Krivousas vs L Cernousek |
| 1-0 | 29 |
2001 |
TCh-Europe Boys U18 | E97 King's Indian |
| 9. L Cernousek vs A Mihailidis |
| ½-½ | 41 |
2001 |
WJun | C44 King's Pawn Game |
| 10. L Cernousek vs D McGowan |
| 1-0 | 60 |
2001 |
TCh-Europe Boys U18 | C00 French Defense |
| 11. J Alvarez Marquez vs L Cernousek |
| ½-½ | 10 |
2001 |
WJun | E61 King's Indian |
| 12. L Cernousek vs Efimenko |
| 0-1 | 42 |
2001 |
TCh-Europe Boys U18 | B92 Sicilian, Najdorf, Opocensky Variation |
| 13. A Simutowe vs L Cernousek |
| 1-0 | 20 |
2001 |
WJun | D45 Queen's Gambit Declined Semi-Slav |
| 14. L Cernousek vs Potkin |
| 1-0 | 63 |
2001 |
WJun | C01 French, Exchange |
| 15. L Cernousek vs A Szeberenyi |
| ½-½ | 27 |
2001 |
TCh-Europe Boys U18 | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. A Neiksans vs L Cernousek |
| 1-0 | 39 |
2001 |
WJun | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 17. L Cernousek vs D Bunzmann |
| 0-1 | 43 |
2001 |
WJun | C00 French Defense |
| 18. V Bhat vs L Cernousek |
| ½-½ | 44 |
2001 |
WYB18 | B24 Sicilian, Closed |
| 19. J Koskivirta vs L Cernousek |
| 0-1 | 27 |
2001 |
TCh-Europe Boys U18 | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 20. L Cernousek vs T Bakre |
| ½-½ | 40 |
2001 |
WJun | B89 Sicilian |
| 21. Y Meister vs L Cernousek |
| ½-½ | 60 |
2001 |
Czech Open | D47 Queen's Gambit Declined Semi-Slav |
| 22. M Karttunen vs L Cernousek |
| ½-½ | 83 |
2001 |
WJun | D04 Queen's Pawn Game |
| 23. L Cernousek vs C Seel |
| 0-1 | 55 |
2001 |
TCh-Europe Boys U18 | B07 Pirc |
| 24. L Cernousek vs Sedlak |
| 1-0 | 45 |
2001 |
WJun | B57 Sicilian |
| 25. D Kuljasevic vs L Cernousek |
 | ½-½ | 35 |
2002 |
3rd Mitropa Cup Junior | D44 Queen's Gambit Declined Semi-Slav |