| page 1 of 2; games 1-25 of 35 |
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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. P Mach vs O Sturz |
 | 1-0 | 19 | 1994 | CZE-ch U10 | C26 Vienna |
| 2. P Mach vs V Jianu |
| 0-1 | 33 | 1996 | EU-ch U12 | A48 King's Indian |
| 3. P Mach vs O Kastner |
| ½-½ | 31 | 1998 | Nachod op 4th | B02 Alekhine's Defense |
| 4. Y Solodovnichenko vs P Mach |
| 1-0 | 61 | 1998 | Plzen op-A U18 | B30 Sicilian |
| 5. P Mach vs D Paramonov |
| 1-0 | 67 | 1998 | Plzen op-A U18 | B90 Sicilian, Najdorf |
| 6. P Mach vs R Kalod |
| 0-1 | 36 | 1998 | Plzen op-A U18 | B90 Sicilian, Najdorf |
| 7. P Mach vs A Flumbort |
| 1-0 | 30 | 1998 | Wch U14 | B90 Sicilian, Najdorf |
| 8. P Mach vs V Jianu |
| 1-0 | 23 | 1998 | Wch U14 | B70 Sicilian, Dragon Variation |
| 9. P Mach vs S Zawadzki |
| 1-0 | 72 | 1998 | Wch U14 | B70 Sicilian, Dragon Variation |
| 10. M Paragua vs P Mach |
| 1-0 | 22 | 1998 | Wch U14 | A07 King's Indian Attack |
| 11. W Libura vs P Mach |
| 1-0 | 91 | 1999 | Nachod op 5th | A48 King's Indian |
| 12. M Rybak vs P Mach |
| 0-1 | 34 | 1999 | CZE-chT2 9900 | B22 Sicilian, Alapin |
| 13. P Mach vs P Vozka |
| 1-0 | 20 | 1999 | CZE-chT2 9900 | B88 Sicilian, Fischer-Sozin Attack |
| 14. P Mach vs M Dooley |
| ½-½ | 35 | 1999 | Glorney Cup U20 | B48 Sicilian, Taimanov Variation |
| 15. P Mach vs T Willemze |
| 0-1 | 50 | 1999 | Glorney Cup U20 | C02 French, Advance |
| 16. Z Izoria vs P Mach |
| 1-0 | 66 | 1999 | EU-ch U16 | E62 King's Indian, Fianchetto |
| 17. M Cerny vs P Mach |
| 0-1 | 36 | 2000 | CZE-chTV 0001 | E75 King's Indian, Averbakh, Main line |
| 18. P Mach vs Jan Vavra |
| 0-1 | 27 | 2000 | CZE-chT2 9900 | B07 Pirc |
| 19. P Mach vs M Garlik |
| 1-0 | 45 | 2000 | CZE-ch U16 | C28 Vienna Game |
| 20. P Mach vs P Sedy |
| ½-½ | 19 | 2000 | CZE-ch U16 | C01 French, Exchange |
| 21. P Mach vs R Taborsky |
| ½-½ | 70 | 2000 | CZE-chTV 0001 | C02 French, Advance |
| 22. Vladimir Belan vs P Mach |
| 1-0 | 35 | 2000 | CZE-ch U16 | A25 English |
| 23. J Fiala vs P Mach |
| 1-0 | 69 | 2000 | CZE-chTV 0001 | B30 Sicilian |
| 24. P Mach vs J Svatos |
| 0-1 | 46 | 2000 | CZE-chT2 9900 | B01 Scandinavian |
| 25. J Hlavnicka vs P Mach |
| ½-½ | 23 | 2000 | CZE-chTV 0001 | A16 English |
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| page 1 of 2; games 1-25 of 35 |
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Kibitzing
