| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Petzold vs Y Stisis |
| 0-1 | 28 |
2001 |
ECC | A21 English |
| 2. K Petzold vs A Lugovoi |
| 0-1 | 40 |
2001 |
ECC | E10 Queen's Pawn Game |
| 3. K Petzold vs F Verduyn |
| 1-0 | 33 |
2001 |
Belgian Interteams 2000-1 | E97 King's Indian |
| 4. M Roiz vs K Petzold |
| 1-0 | 42 |
2001 |
ECC | D10 Queen's Gambit Declined Slav |
| 5. K Petzold vs T Croonenborghs |
| 1-0 | 35 |
2001 |
TCh-BEL -2 | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 6. K Petzold vs B Thorfinnsson |
| ½-½ | 33 |
2001 |
ECC | A16 English |
| 7. L Andonovski vs K Petzold |
| ½-½ | 35 |
2001 |
ECC | D16 Queen's Gambit Declined Slav |
| 8. M Ulfarsson vs K Petzold |
| ½-½ | 22 |
2001 |
ECC | B17 Caro-Kann, Steinitz Variation |
| 9. G Gaertner vs K Petzold |
| ½-½ | 36 |
2001 |
ECC | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 10. K Petzold vs P Anisimov |
| 1-0 | 39 |
2002 |
European Club Cup | A37 English, Symmetrical |
| 11. K Petzold vs Glek |
| 0-1 | 39 |
2002 |
European Club Cup | E94 King's Indian, Orthodox |
| 12. A Timofeev vs K Petzold |
 | 1-0 | 16 |
2003 |
European Clubs Cup (Men) | B14 Caro-Kann, Panov-Botvinnik Attack |
| 13. D Jacimovic vs K Petzold |
| 1-0 | 53 |
2004 |
20th European Club Cup | D10 Queen's Gambit Declined Slav |
| 14. K Petzold vs A Rustemov |
| 0-1 | 22 |
2004 |
20th European Club Cup | A13 English |
| 15. A Shariyazdanov vs K Petzold |
| ½-½ | 45 |
2005 |
21st European Club Cup | D10 Queen's Gambit Declined Slav |
| 16. K Petzold vs P Lehtivaara |
| 1-0 | 63 |
2005 |
21st European Club Cup | A17 English |
| 17. P Fontaine vs K Petzold |
| 0-1 | 28 |
2005 |
21st European Club Cup | B10 Caro-Kann |
| 18. A Mooney vs K Petzold |
| 0-1 | 63 |
2005 |
21st European Club Cup | D05 Queen's Pawn Game |
| 19. P Corbin vs K Petzold |
| ½-½ | 64 |
2005 |
21st European Club Cup | B17 Caro-Kann, Steinitz Variation |
| 20. K Petzold vs Ali Hasani |
| 1-0 | 42 |
2005 |
21st European Club Cup | A35 English, Symmetrical |
| 21. K Petzold vs S Hamalainen |
| ½-½ | 58 |
2005 |
21st European Club Cup | A04 Reti Opening |
| 22. L Couso vs K Petzold |
| ½-½ | 34 |
2006 |
European Club Cup | B12 Caro-Kann Defense |
| 23. K Petzold vs C Quaranta |
| 1-0 | 27 |
2006 |
European Club Cup | A29 English, Four Knights, Kingside Fianchetto |
| 24. F Amonatov vs K Petzold |
| 1-0 | 36 |
2006 |
European Club Cup | B12 Caro-Kann Defense |
| 25. S Bradley vs K Petzold |
| 0-1 | 41 |
2006 |
European Club Cup | B14 Caro-Kann, Panov-Botvinnik Attack |