| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. G Gross vs K Nieuwelink |
| 1-0 | 26 | 1987 | St. Ingbert Open | A81 Dutch |
| 2. T Magar vs K Nieuwelink |
| 0-1 | 49 | 1987 | St. Ingbert Open | C44 King's Pawn Game |
| 3. K Nieuwelink vs V Hubig |
| 1-0 | 27 | 1987 | St. Ingbert Open | B43 Sicilian, Kan, 5.Nc3 |
| 4. K Nieuwelink vs P Burkart |
| 0-1 | 38 | 1987 | St. Ingbert Open | B05 Alekhine's Defense, Modern |
| 5. D Polajzer vs K Nieuwelink |
| ½-½ | 28 | 1987 | St. Ingbert Open | A80 Dutch |
| 6. K Nieuwelink vs L Gutman |
| 1-0 | 65 | 1987 | St. Ingbert Open | B90 Sicilian, Najdorf |
| 7. K Nieuwelink vs Moses Rezai |
| 1-0 | 36 | 1987 | St. Ingbert Open | B06 Robatsch |
| 8. J Stephanus vs K Nieuwelink |
 | 0-1 | 19 | 1987 | St. Ingbert Open | A87 Dutch, Leningrad, Main Variation |
| 9. K Bischoff vs K Nieuwelink |
| 1-0 | 41 | 1988 | St. Ingbert Open | A81 Dutch |
| 10. K Nieuwelink vs F Michels |
| 1-0 | 20 | 1988 | St. Ingbert Open | C70 Ruy Lopez |
| 11. M Fischer vs K Nieuwelink |
| 0-1 | 45 | 1988 | St. Ingbert Open | C80 Ruy Lopez, Open |
| 12. K Templin vs K Nieuwelink |
| 0-1 | 36 | 1988 | St. Ingbert Open | A81 Dutch |
| 13. W van Rienen vs K Nieuwelink |
| 0-1 | 43 | 1988 | St. Ingbert Open | A85 Dutch, with c4 & Nc3 |
| 14. K Nieuwelink vs T Buhmann |
| 1-0 | 41 | 1988 | St. Ingbert Open | B01 Scandinavian |
| 15. G Mathe vs K Nieuwelink |
| ½-½ | 35 | 1988 | St. Ingbert Open | C34 King's Gambit Accepted |
| 16. K Nieuwelink vs R Appel |
| ½-½ | 42 | 1988 | St. Ingbert Open | B05 Alekhine's Defense, Modern |
| 17. K Nieuwelink vs R Simon |
| 0-1 | 29 | 1988 | St. Ingbert Open | B54 Sicilian |
| 18. M Bosboom vs K Nieuwelink |
| 1-0 | 37 | 1996 | NED-chT 1996/97 | A81 Dutch |
| 19. Kasimdzhanov vs K Nieuwelink |
| 1-0 | 23 | 1996 | Vlissingen op | C63 Ruy Lopez, Schliemann Defense |
| 20. E Clarisse vs K Nieuwelink |
| 0-1 | 30 | 1996 | Vlissingen op | C57 Two Knights |
| 21. T Avontuur vs K Nieuwelink |
| 0-1 | 37 | 2001 | HZ Open | A86 Dutch |
| 22. K Nieuwelink vs F Snijders |
| 1-0 | 40 | 2001 | HZ Open | C63 Ruy Lopez, Schliemann Defense |
| 23. R Sanders vs K Nieuwelink |
| 0-1 | 33 | 2001 | HZ Open | A80 Dutch |
| 24. K Nieuwelink vs J Pomes Marcet |
| ½-½ | 42 | 2001 | HZ Open | B01 Scandinavian |
| 25. K Nieuwelink vs C Werner |
| 0-1 | 52 | 2001 | HZ Open | C41 Philidor Defense |
Kibitzing
