| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. R Vedder vs D Floor |
 | 1-0 | 46 |
2000 |
Utrecht open I | B45 Sicilian, Taimanov |
| 2. R Vedder vs Jan Bey |
| 1-0 | 50 |
2000 |
Soest open | B42 Sicilian, Kan |
| 3. R Vedder vs J Verwoert |
| 1-0 | 55 |
2000 |
open | B30 Sicilian |
| 4. R Vedder vs N Tagnon |
| 1-0 | 26 |
2000 |
open | B28 Sicilian, O'Kelly Variation |
| 5. R Vedder vs Van Blitterswijk |
| ½-½ | 70 |
2001 |
Lost Boys Open | B50 Sicilian |
| 6. R Vedder vs R Duijker |
| ½-½ | 44 |
2001 |
Dutch Open | B88 Sicilian, Fischer-Sozin Attack |
| 7. R Vedder vs S Algera |
| 1-0 | 38 |
2001 |
Dutch Open | B42 Sicilian, Kan |
| 8. R Vedder vs E Postny |
| 0-1 | 41 |
2007 |
11th Essent Open | B41 Sicilian, Kan |
| 9. R Vedder vs E Safarli |
| ½-½ | 47 |
2007 |
11th Essent Open | B31 Sicilian, Rossolimo Variation |
| 10. R Vedder vs R Potze |
| 1-0 | 38 |
2008 |
12th Essent Chess Tournament | B31 Sicilian, Rossolimo Variation |
| 11. R Vedder vs R Kempinski |
| 0-1 | 41 |
2008 |
12th Essent Chess Tournament | B50 Sicilian |
| 12. R Vedder vs J Van Apeldoorn |
| 1-0 | 62 |
2008 |
12th Essent Chess Tournament | B31 Sicilian, Rossolimo Variation |
| 13. R Vedder vs T Meszaros |
| ½-½ | 43 |
2009 |
European Club Cup | B48 Sicilian, Taimanov Variation |