| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. I Balinov vs C Karner |
| 1-0 | 24 | 1996 | Aschach Donau Open | B83 Sicilian |
| 2. S Altukhov vs C Karner |
| 1-0 | 28 | 1996 | Aschach Donau Open | E71 King's Indian, Makagonov System (5.h3) |
| 3. P Ilincic vs C Karner |
| 0-1 | 33 | 1996 | Aschach Donau Open | A48 King's Indian |
| 4. C Karner vs M Orsag |
| ½-½ | 31 | 1996 | Aschach Donau Open | D32 Queen's Gambit Declined, Tarrasch |
| 5. Z J Szabo vs C Karner |
| 1-0 | 56 | 1997 | World Junior Championship | B83 Sicilian |
| 6. C Karner vs M Henni |
| 1-0 | 38 | 1997 | World Junior Championship | D85 Grunfeld |
| 7. T Balogh vs C Karner |
| 1-0 | 49 | 1997 | World Junior Championship | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 8. G Podkriznik vs C Karner |
| ½-½ | 29 | 1997 | World Junior Championship | B40 Sicilian |
| 9. C Karner vs A Ho |
| 0-1 | 31 | 1997 | World Junior Championship | A42 Modern Defense, Averbakh System |
| 10. J Moreira Romero vs C Karner |
| 0-1 | 56 | 1997 | World Junior Championship | A45 Queen's Pawn Game |
| 11. C Karner vs Z Bratanov |
| 1-0 | 50 | 1997 | World Junior Championship | E20 Nimzo-Indian |
| 12. C Karner vs S Schneider |
| 0-1 | 46 | 1997 | World Junior Championship | E34 Nimzo-Indian, Classical, Noa Variation |
| 13. A Goloshchapov vs C Karner |
| 1-0 | 19 | 1997 | World Junior Championship | B83 Sicilian |
| 14. C Karner vs G Sarakauskas |
| ½-½ | 47 | 1997 | World Junior Championship | A42 Modern Defense, Averbakh System |
| 15. D Kovaljov vs C Karner |
| 1-0 | 64 | 1997 | World Junior Championship | B83 Sicilian |
| 16. M Gassouma vs C Karner |
| 1-0 | 35 | 1997 | World Junior Championship | B83 Sicilian |
| 17. C Karner vs N Nasser |
| 1-0 | 22 | 1997 | World Junior Championship | E20 Nimzo-Indian |
| 18. A Kirschner vs C Karner |
| 0-1 | 39 | 1998 | Vienna Open | E67 King's Indian, Fianchetto |
| 19. C Karner vs P Popovic |
| 0-1 | 35 | 1998 | Vienna Open | E81 King's Indian, Samisch |
| 20. C Karner vs K Neumeier |
| 0-1 | 31 | 1998 | Vienna Open | E99 King's Indian, Orthodox, Taimanov |
| 21. J M Lopez Martinez vs C Karner |
| 1-0 | 49 | 1999 | European Junior Championship | E94 King's Indian, Orthodox |
| 22. C Karner vs Z Medvegy |
| 0-1 | 25 | 1999 | European Junior Championship | E26 Nimzo-Indian, Samisch |
| 23. G Kanellopoulos vs C Karner |
| 0-1 | 32 | 1999 | European Junior Championship | A15 English |
| 24. C Karner vs K Jedryczka |
| 0-1 | 40 | 1999 | European Junior Championship | E99 King's Indian, Orthodox, Taimanov |
| 25. B Lelumees vs C Karner |
| ½-½ | 64 | 1999 | European Junior Championship | B98 Sicilian, Najdorf |
Kibitzing
