| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Ovsejevitsch vs O Niklasch |
| 1-0 | 41 | 1997 | Regensburg op | D27 Queen's Gambit Accepted, Classical |
| 2. O Niklasch vs T Bromann |
| 1-0 | 19 | 1997 | Tastrup 25 Jubilee | D07 Queen's Gambit Declined, Chigorin Defense |
| 3. O Niklasch vs G Molinari |
| 1-0 | 22 | 1999 | Groningen Open | E69 King's Indian, Fianchetto, Classical Main line |
| 4. Kasimdzhanov vs O Niklasch |
| 1-0 | 31 | 1999 | Groningen Open | D37 Queen's Gambit Declined |
| 5. O Niklasch vs P Muehlbach |
| 1-0 | 20 | 1999 | Groningen Open | D27 Queen's Gambit Accepted, Classical |
| 6. O Niklasch vs C Weiss |
| 0-1 | 55 | 1999 | Groningen Open | E67 King's Indian, Fianchetto |
| 7. L Jap Tjoen San vs O Niklasch |
| 0-1 | 34 | 1999 | Groningen Open | B46 Sicilian, Taimanov Variation |
| 8. O Niklasch vs L Wang |
| ½-½ | 16 | 1999 | Groningen Open | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 9. B van der Marel vs O Niklasch |
| ½-½ | 31 | 1999 | Groningen Open | A45 Queen's Pawn Game |
| 10. Epishin vs O Niklasch |
| 1-0 | 29 | 1999 | Groningen Open | D37 Queen's Gambit Declined |
| 11. J Sieglen vs O Niklasch |
| ½-½ | 20 | 2000 | Oberliga West /01 | E59 Nimzo-Indian, 4.e3, Main line |
| 12. O Niklasch vs S Balster |
| 0-1 | 49 | 2000 | BL2-West9900 | E04 Catalan, Open, 5.Nf3 |
| 13. J Blaskowski vs O Niklasch |
| ½-½ | 44 | 2000 | BL2-West9900 | B46 Sicilian, Taimanov Variation |
| 14. O Niklasch vs J Jurek |
| ½-½ | 23 | 2000 | Oberliga West /01 | E41 Nimzo-Indian |
| 15. H J Weyer vs O Niklasch |
| 0-1 | 29 | 2000 | Bad Wiessee Open | B42 Sicilian, Kan |
| 16. O Niklasch vs H Meyer |
| ½-½ | 15 | 2000 | Bad Wiessee Open | E67 King's Indian, Fianchetto |
| 17. C Stanetzek vs O Niklasch |
| ½-½ | 24 | 2000 | Bad Wiessee Open | A36 English |
| 18. O Niklasch vs C Koepke |
| 0-1 | 28 | 2000 | Bad Wiessee Open | A81 Dutch |
| 19. J Henrichsen vs O Niklasch |
| 0-1 | 22 | 2000 | Bad Wiessee Open | E17 Queen's Indian |
| 20. O Niklasch vs D Poppner |
| 1-0 | 28 | 2000 | Bad Wiessee Open | D34 Queen's Gambit Declined, Tarrasch |
| 21. T Rieling vs O Niklasch |
| 0-1 | 34 | 2000 | Bad Wiessee Open | B25 Sicilian, Closed |
| 22. O Niklasch vs S Gottschling |
| 1-0 | 41 | 2000 | Bad Wiessee Open | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 23. R Rabiega vs O Niklasch |
| 1-0 | 36 | 2000 | Bad Wiessee Open | B40 Sicilian |
| 24. A Huth vs O Niklasch |
| 0-1 | 32 | 2000 | Boeblinger Open | A16 English |
| 25. O Niklasch vs M Kekelidze |
| 0-1 | 22 | 2000 | Boeblinger Open | A57 Benko Gambit |
Kibitzing
