| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. A Graf vs S Ernst |
| 1-0 | 34 | 1999 | Groningen op | D12 Queen's Gambit Declined Slav |
| 2. M Mchedlishvili vs S Ernst |
| ½-½ | 30 | 2006 | Dieren op | D12 Queen's Gambit Declined Slav |
| 3. M Gurevich vs S Ernst |
| 1-0 | 35 | 2006 | Hoogeveen Essent op | D12 Queen's Gambit Declined Slav |
| 4. Giri vs S Ernst |
| ½-½ | 19 | 2009 | Dutch Open | D12 Queen's Gambit Declined Slav |
| 5. J Werle vs S Ernst |
| ½-½ | 33 | 2009 | Haye Kramer Zeskamp | D12 Queen's Gambit Declined Slav |
| 6. J Werle vs S Ernst |
| 0-1 | 62 | 2011 | Haije Kramer Vierkamp | D12 Queen's Gambit Declined Slav |
| 7. Dreev vs S Ernst |
 | 1-0 | 41 | 2012 | European Championship | D12 Queen's Gambit Declined Slav |
| 8. M Dambacher vs S Ernst |
| 1-0 | 41 | 2012 | NED-chT 2012/13 | D12 Queen's Gambit Declined Slav |
| 9. A Mirzoev vs S Ernst |
| ½-½ | 29 | 2014 | 12th Khazar Open | D12 Queen's Gambit Declined Slav |
| 10. Buhmann vs S Ernst |
| 1-0 | 38 | 2014 | Bundesliga 2013/14 | D12 Queen's Gambit Declined Slav |
| 11. M Dambacher vs S Ernst |
| ½-½ | 78 | 2014 | TCh-NED Meesterklasse 2013-14 | D12 Queen's Gambit Declined Slav |
| 12. Van Wely vs S Ernst |
| 0-1 | 64 | 2014 | 5th Remco Heite GM | D12 Queen's Gambit Declined Slav |
| 13. Fridman vs S Ernst |
| 1-0 | 35 | 2015 | World Blitz Championship | D12 Queen's Gambit Declined Slav |
| 14. L Vrolijk vs S Ernst |
| 0-1 | 37 | 2019 | 5th CNE ch-NED Blitz | D12 Queen's Gambit Declined Slav |
Kibitzing
