| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. S Brynell vs H Machelett |
| 1-0 | 34 |
1999 |
Bundesliga 1998/99, Germany | C05 French, Tarrasch |
| 2. H Machelett vs Van der Wiel |
| 0-1 | 22 |
1999 |
Bundesliga 1998/99, Germany | A41 Queen's Pawn Game (with ...d6) |
| 3. R Appel vs H Machelett |
| 1-0 | 31 |
1999 |
Bundesliga 1998/99, Germany | A07 King's Indian Attack |
| 4. H Machelett vs A Zude |
| 1-0 | 38 |
1999 |
Bundesliga 1998/99, Germany | D37 Queen's Gambit Declined |
| 5. H Ellers vs H Machelett |
| ½-½ | 24 |
1999 |
Bundesliga 1998/99, Germany | A49 King's Indian, Fianchetto without c4 |
| 6. H Machelett vs T Straeter |
| 1-0 | 41 |
1999 |
Bundesliga 1998/99, Germany | D35 Queen's Gambit Declined |
| 7. H Machelett vs M Borriss |
| ½-½ | 13 |
1999 |
Bundesliga 1998/99, Germany | A48 King's Indian |
| 8. K Bischoff vs H Machelett |
| 1-0 | 35 |
1999 |
Bundesliga 1998/99, Germany | E73 King's Indian |
| 9. Almar Kaid vs H Machelett |
| ½-½ | 10 |
2001 |
Gelsenkirchen op | A13 English |
| 10. H Machelett vs Ingo Cordts |
| ½-½ | 96 |
2001 |
Gelsenkirchen op | D10 Queen's Gambit Declined Slav |
| 11. H Machelett vs Arnold Hemmann |
| 1-0 | 48 |
2001 |
Gelsenkirchen op | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 12. H Machelett vs Frank Hilmer |
| 1-0 | 40 |
2001 |
Gelsenkirchen op | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 13. Oral vs H Machelett |
| ½-½ | 25 |
2002 |
BL2-Ost 0203 | B07 Pirc |
| 14. I Sokolov vs H Machelett |
| 1-0 | 41 |
2005 |
Bundesliga | A53 Old Indian |
| 15. H Machelett vs C Gabriel |
| ½-½ | 22 |
2005 |
Bundesliga Final Weekend | D12 Queen's Gambit Declined Slav |
| 16. G Beikert vs H Machelett |
| 1-0 | 35 |
2007 |
BL 0708 Erfurter SK - Hamburger SK | C00 French Defense |
| 17. F Jenni vs H Machelett |
| 1-0 | 40 |
2007 |
BL 0708 Erfurter SK - Godesberger SK | C10 French |
| 18. H Machelett vs R Mainka |
| ½-½ | 46 |
2007 |
BL 0708 SC Remagen - Erfurter SK | A33 English, Symmetrical |
| 19. H Machelett vs M Hoffmann |
| ½-½ | 23 |
2007 |
BL 0708 Solinger SG - Erfurter SK | A46 Queen's Pawn Game |
| 20. H Machelett vs Hracek |
| ½-½ | 15 |
2007 |
BL 0708 Werder Bremen - Erfurter SK | A46 Queen's Pawn Game |
| 21. H Machelett vs S Siebrecht |
| ½-½ | 16 |
2008 |
Bundesliga 2007-8 | A46 Queen's Pawn Game |
| 22. H Machelett vs Acs |
| ½-½ | 25 |
2008 |
BL 0708 SC Eppingen - Erfurter SK | D10 Queen's Gambit Declined Slav |
| 23. J Meister vs H Machelett |
| ½-½ | 44 |
2008 |
BL 0708 Erfurter SK - SK Zehlendorf | C17 French, Winawer, Advance |
| 24. V Malakhatko vs H Machelett |
| 1-0 | 56 |
2008 |
Bundesliga 2007-8 | A53 Old Indian |
| 25. H Machelett vs L Gonda |
| ½-½ | 33 |
2008 |
BL 0708 SG Turm Trier - Erfurter SK | E25 Nimzo-Indian, Samisch |