| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. C van der Merwe vs H Courtney |
| 0-1 | 71 | 2000 | Istanbul Olympiad (Women) | C17 French, Winawer, Advance |
| 2. T Makumbe vs C van der Merwe |
| 0-1 | 88 | 2001 | ch-Africa Women | C00 French Defense |
| 3. F Afonso vs C van der Merwe |
 | 0-1 | 45 | 2001 | ch-Africa Women | D32 Queen's Gambit Declined, Tarrasch |
| 4. C van der Merwe vs A Houli |
| 1-0 | 57 | 2001 | ch-Africa Women | C17 French, Winawer, Advance |
| 5. F Arouche vs C van der Merwe |
| 1-0 | 35 | 2001 | ch-Africa Women | D34 Queen's Gambit Declined, Tarrasch |
| 6. C van der Merwe vs W Toubal |
| 0-1 | 33 | 2001 | ch-Africa Women | B23 Sicilian, Closed |
| 7. B Mudongo vs C van der Merwe |
| 0-1 | 47 | 2001 | ch-Africa Women | D00 Queen's Pawn Game |
| 8. C van der Merwe vs C Namutebi |
| 1-0 | 33 | 2001 | ch-Africa Women | C14 French, Classical |
| 9. Hind Bahji vs C van der Merwe |
| ½-½ | 45 | 2001 | ch-Africa Women | D00 Queen's Pawn Game |
| 10. C van der Merwe vs A Matoussi |
| ½-½ | 41 | 2001 | ch-Africa Women | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 11. C van der Merwe vs F van der Elburg |
| 0-1 | 48 | 2003 | Dutch Open | B23 Sicilian, Closed |
| 12. R van Helvoort vs C van der Merwe |
| ½-½ | 17 | 2003 | Dutch Open | C11 French |
| 13. C van der Merwe vs P Husted |
| 1-0 | 39 | 2003 | Dutch Open | B23 Sicilian, Closed |
| 14. C van der Merwe vs C de Saegher |
| 0-1 | 47 | 2003 | Dutch Open | A42 Modern Defense, Averbakh System |
| 15. L Compagnie vs C van der Merwe |
| 1-0 | 39 | 2003 | Dutch Open | A13 English |
| 16. M Naalden vs C van der Merwe |
| 0-1 | 48 | 2003 | Dutch Open | C13 French |
| 17. C van der Merwe vs M Dogge |
| 0-1 | 61 | 2003 | Dutch Open | B23 Sicilian, Closed |
| 18. C van der Merwe vs E de Kleuver |
| 0-1 | 53 | 2003 | Dutch Open | B23 Sicilian, Closed |
| 19. W Pannekoek vs C van der Merwe |
| 1-0 | 35 | 2003 | Dutch Open | C13 French |
| 20. C van der Merwe vs M de Waal |
| 0-1 | 24 | 2003 | Vlissingen HZ Open | B02 Alekhine's Defense |
| 21. C van der Merwe vs O Mueller |
| 0-1 | 34 | 2003 | Vlissingen HZ Open | B23 Sicilian, Closed |
| 22. C van der Merwe vs P Doggers |
| 0-1 | 33 | 2003 | Vlissingen HZ Open | B23 Sicilian, Closed |
| 23. C van der Merwe vs Koneru |
| 0-1 | 58 | 2004 | Women's World Championship Knockout Tournament | B43 Sicilian, Kan, 5.Nc3 |
| 24. Koneru vs C van der Merwe |
| 1-0 | 31 | 2004 | Women's World Championship Knockout Tournament | A43 Old Benoni |
| 25. A Muzychuk vs C van der Merwe |
| 1-0 | 36 | 2004 | Calvia Olympiad (Women) | C14 French, Classical |
Kibitzing
