| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Mach vs T Willemze |
| 0-1 | 50 |
1999 |
Glorney Cup U20 | C02 French, Advance |
| 2. T Willemze vs A Rainfray |
| 1-0 | 71 |
2000 |
Glorney and Faber Cup | B23 Sicilian, Closed |
| 3. T Willemze vs Barsov |
| 1-0 | 36 |
2000 |
HZ Open | C17 French, Winawer, Advance |
| 4. J Brychta vs T Willemze |
| 1-0 | 40 |
2000 |
Glorney and Faber Cup | C05 French, Tarrasch |
| 5. R Burgerhoff vs T Willemze |
 | 0-1 | 39 |
2000 |
HZ Open | A57 Benko Gambit |
| 6. T Willemze vs S Geirnaert |
| 1-0 | 25 |
2000 |
Glorney and Faber Cup | A01 Nimzovich-Larsen Attack |
| 7. T Willemze vs A Vermue |
| 1-0 | 34 |
2000 |
HZ Open | C46 Three Knights |
| 8. R S Jones vs T Willemze |
| ½-½ | 45 |
2000 |
Glorney and Faber Cup | C05 French, Tarrasch |
| 9. T Willemze vs S Buckley |
| ½-½ | 63 |
2000 |
Glorney and Faber Cup | B23 Sicilian, Closed |
| 10. S Strating vs T Willemze |
| 1-0 | 39 |
2001 |
Tch-NED | A31 English, Symmetrical, Benoni Formation |
| 11. J Smeets vs T Willemze |
| 1-0 | 38 |
2001 |
Tch-NED | C02 French, Advance |
| 12. Grigoriants vs T Willemze |
| 1-0 | 29 |
2003 |
Essent Open | B14 Caro-Kann, Panov-Botvinnik Attack |
| 13. T Willemze vs N Miezis |
| 0-1 | 38 |
2005 |
XXXV Rilton Cup | E41 Nimzo-Indian |
| 14. L Bebchuk vs T Willemze |
| 0-1 | 76 |
2005 |
XXXV Rilton Cup | A30 English, Symmetrical |
| 15. T Willemze vs I Kurnosov |
| 0-1 | 20 |
2005 |
XXXV Rilton Cup | B90 Sicilian, Najdorf |
| 16. Rozentalis vs T Willemze |
| ½-½ | 63 |
2006 |
Cappelle la Grande | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 17. T Willemze vs V Papadopoulou |
| ½-½ | 52 |
2006 |
XXXV Rilton Cup | B01 Scandinavian |
| 18. T Nalbandian vs T Willemze |
| ½-½ | 85 |
2006 |
Cappelle la Grande | A07 King's Indian Attack |
| 19. T Willemze vs J Ask |
| 0-1 | 63 |
2006 |
XXXV Rilton Cup | C18 French, Winawer |
| 20. J Gdanski vs T Willemze |
| ½-½ | 42 |
2006 |
Cappelle la Grande | E10 Queen's Pawn Game |
| 21. V Iordachescu vs T Willemze |
| ½-½ | 68 |
2006 |
XXXV Rilton Cup | B12 Caro-Kann Defense |
| 22. T Willemze vs M Brodsky |
| ½-½ | 30 |
2006 |
Cappelle la Grande | B50 Sicilian |
| 23. S Kosmo vs T Willemze |
| 0-1 | 28 |
2006 |
XXXV Rilton Cup | B10 Caro-Kann |
| 24. E Berg vs T Willemze |
| ½-½ | 22 |
2007 |
Corus Group C | B10 Caro-Kann |
| 25. T Willemze vs K Yssing |
| 1-0 | 27 |
2007 |
European Club Cup | C15 French, Winawer |