| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. A Lickrastina vs S Ernst |
| 0-1 | 41 | 1999 | Dutch Open | C77 Ruy Lopez |
| 2. Tiviakov vs S Ernst |
| ½-½ | 16 | 2001 | Dutch Championship | C77 Ruy Lopez |
| 3. M Saltaev vs S Ernst |
| ½-½ | 14 | 2004 | Bundesliga 2004/05 | C77 Ruy Lopez |
| 4. B Voekler vs S Ernst |
| 1-0 | 42 | 2005 | Bundesliga 2004/05 | C77 Ruy Lopez |
| 5. N Ondersteijn vs S Ernst |
| ½-½ | 27 | 2006 | NED-ch sf | C77 Ruy Lopez |
| 6. G van Es vs S Ernst |
| 0-1 | 31 | 2009 | 3rd ENCI Limburg Open | C77 Ruy Lopez |
| 7. D Klein vs S Ernst |
| ½-½ | 37 | 2009 | Dutch Open | C77 Ruy Lopez |
| 8. S Grover vs S Ernst |
| 1-0 | 62 | 2009 | Groningen Chess Festival | C77 Ruy Lopez |
| 9. F van Assendelft vs S Ernst |
| 0-1 | 41 | 2011 | Groningen Open-A | C77 Ruy Lopez |
| 10. S Maze vs S Ernst |
| 1-0 | 50 | 2014 | Bundesliga 2013/14 | C77 Ruy Lopez |
| 11. A Predke vs S Ernst |
| 1-0 | 64 | 2015 | Aeroflot Open | C77 Ruy Lopez |
| 12. Movsesian vs S Ernst |
| ½-½ | 35 | 2015 | 10th Teplice Open | C77 Ruy Lopez |
| 13. Tiviakov vs S Ernst |
| ½-½ | 24 | 2015 | Dutch Championship | C77 Ruy Lopez |
| 14. V Belov vs S Ernst |
| 1-0 | 42 | 2015 | World Blitz Championship | C77 Ruy Lopez |
| 15. M Lagarde vs S Ernst |
| 1-0 | 67 | 2015 | World Blitz Championship | C77 Ruy Lopez |
| 16. Tiviakov vs S Ernst |
| 1-0 | 53 | 2017 | Groningen Open | C77 Ruy Lopez |
| 17. Nisipeanu vs S Ernst |
| ½-½ | 14 | 2018 | 12th BPB Limburg Open | C77 Ruy Lopez |
| 18. Tiviakov vs S Ernst |
| 1-0 | 63 | 2018 | Dutch Championship | C77 Ruy Lopez |
| 19. E van den Doel vs S Ernst |
| 1-0 | 35 | 2018 | 4th CNE ch-NED Rapid | C77 Ruy Lopez |
| 20. P Chen vs S Ernst |
| ½-½ | 64 | 2019 | 2nd Belgrade Summer GM | C77 Ruy Lopez |
| 21. R Pruijssers vs S Ernst |
| 1-0 | 34 | 2019 | 5th CNE ch-NED Blitz | C77 Ruy Lopez |
| 22. R Pruijssers vs S Ernst |
| ½-½ | 16 | 2019 | 5th CNE ch-NED Rapid | C77 Ruy Lopez |
| 23. A Tari vs S Ernst |
| 1-0 | 46 | 2020 | Bundesliga 2019/21 | C77 Ruy Lopez |
| 24. B Munguntuul vs S Ernst |
| 1-0 | 59 | 2021 | Lindores Abbey Tal Mem | C77 Ruy Lopez |
| 25. L Lodici vs S Ernst |
| 1-0 | 60 | 2023 | 26th Hoogeveen Open | C77 Ruy Lopez |
Kibitzing
