| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Van Nies vs Y Muhren |
| 1-0 | 29 |
2000 |
NED Ch U14 Girls | C62 Ruy Lopez, Old Steinitz Defense |
| 2. P Van Nies vs M Cherepovskaya |
| 0-1 | 58 |
2001 |
EYCC G12 | C01 French, Exchange |
| 3. I Ivakhinova vs P Van Nies |
| ½-½ | 50 |
2001 |
EYCC G12 | E91 King's Indian |
| 4. P Van Nies vs I Merkulova |
| 0-1 | 57 |
2001 |
EYCC G12 | C90 Ruy Lopez, Closed |
| 5. E Egorova vs P Van Nies |
| 0-1 | 36 |
2001 |
EYCC G12 | B76 Sicilian, Dragon, Yugoslav Attack |
| 6. A Dudel vs P Van Nies |
| 0-1 | 46 |
2001 |
EYCC G12 | B74 Sicilian, Dragon, Classical |
| 7. D Harika vs P Van Nies |
| 1-0 | 52 |
2005 |
BELFORT YWCC Girls under 16 | A04 Reti Opening |
| 8. B Muhren vs P Van Nies |
| ½-½ | 46 |
2007 |
Dutch Women's Championship | B65 Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4 |
| 9. P Van Nies vs M Bensdorp |
| ½-½ | 26 |
2007 |
Dutch Women's Championship | C91 Ruy Lopez, Closed |
| 10. P Van Nies vs C Otten |
| 1-0 | 28 |
2007 |
Dutch Women's Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 11. P Van Nies vs D Hamelink |
| ½-½ | 15 |
2007 |
Dutch Women's Championship | B43 Sicilian, Kan, 5.Nc3 |
| 12. Z Peng vs P Van Nies |
| 1-0 | 41 |
2007 |
Dutch Women's Championship | A61 Benoni |
| 13. L Bensdorp vs P Van Nies |
| 1-0 | 46 |
2007 |
Dutch Women's Championship | B63 Sicilian, Richter-Rauzer Attack |
| 14. P Van Nies vs M Middelveld |
| ½-½ | 48 |
2007 |
Dutch Women's Championship | C01 French, Exchange |
| 15. P Van Nies vs D Schut |
| 1-0 | 21 |
2007 |
Dutch Women's Championship | C05 French, Tarrasch |
| 16. A Van Weersel vs P Van Nies |
| 0-1 | 60 |
2007 |
Dutch Women's Championship | B20 Sicilian |
| 17. Ruan Lufei vs P Van Nies |
| 1-0 | 57 |
2008 |
Mindsports | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 18. P Van Nies vs L Bensdorp |
| ½-½ | 30 |
2008 |
Dutch Championships (Women) | B56 Sicilian |
| 19. Bosboom-Lanchava vs P Van Nies |
| ½-½ | 25 |
2008 |
Dutch Championships (Women) | D85 Grunfeld |
| 20. P Van Nies vs A Rudolf |
| 0-1 | 30 |
2008 |
Mindsports | C03 French, Tarrasch |
| 21. T Munnik vs P Van Nies |
| 0-1 | 46 |
2008 |
Dutch Championships (Women) | B56 Sicilian |
| 22. P Van Nies vs B Muhren |
 | 0-1 | 54 |
2008 |
Dutch Championships (Women) | C74 Ruy Lopez, Modern Steinitz Defense |
| 23. P Van Nies vs Huang Qian |
| 0-1 | 36 |
2008 |
Mindsports | B01 Scandinavian |
| 24. P Van Nies vs Z Peng |
| 0-1 | 63 |
2008 |
Dutch Championships (Women) | B03 Alekhine's Defense |
| 25. N Hryhorenko vs P Van Nies |
| 1-0 | 78 |
2008 |
Mindsports | D03 Torre Attack (Tartakower Variation) |