| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. R Vedder vs M Dutreeuw |
| ½-½ | 25 |
2001 |
Lost Boys Open | C42 Petrov Defense |
| 27. R Vedder vs S Soetewey |
| 1-0 | 53 |
2001 |
Belgian Interteams 2000-1 | B00 Uncommon King's Pawn Opening |
| 28. D Hamelink vs R Vedder |
| ½-½ | 89 |
2001 |
Dutch Open | B84 Sicilian, Scheveningen |
| 29. R Vedder vs L Day |
 | 1-0 | 39 |
2001 |
Lost Boys Open | C60 Ruy Lopez |
| 30. R Vedder vs R Hendriks |
| 1-0 | 46 |
2001 |
Dutch Open | C63 Ruy Lopez, Schliemann Defense |
| 31. V Ikonnikov vs R Vedder |
| 1-0 | 32 |
2001 |
Lost Boys Open | A46 Queen's Pawn Game |
| 32. I Spanoghe vs R Vedder |
| ½-½ | 40 |
2001 |
Belgian Interteams 2000-1 | B23 Sicilian, Closed |
| 33. R Vedder vs M Solleveld |
| 0-1 | 73 |
2001 |
Dutch Open | C57 Two Knights |
| 34. A Marechal vs R Vedder |
| ½-½ | 26 |
2001 |
Lost Boys Open | C05 French, Tarrasch |
| 35. Dgebuadze vs R Vedder |
| 1-0 | 28 |
2001 |
Dutch Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 36. R Vedder vs A Van Weersel |
| 1-0 | 30 |
2007 |
11th Essent Open | A06 Reti Opening |
| 37. D Schut vs R Vedder |
| 0-1 | 30 |
2007 |
11th Essent Open | C07 French, Tarrasch |
| 38. A Simutowe vs R Vedder |
| 1-0 | 64 |
2007 |
11th Essent Open | E73 King's Indian |
| 39. R Vedder vs R Hoffman |
| 1-0 | 31 |
2007 |
11th Essent Open | B06 Robatsch |
| 40. T Abergel vs R Vedder |
 | 1-0 | 20 |
2007 |
11th Essent Open | A46 Queen's Pawn Game |
| 41. E Vroombout vs R Vedder |
| ½-½ | 54 |
2007 |
11th Essent Open | B90 Sicilian, Najdorf |
| 42. R Vedder vs A Rasmussen |
| 1-0 | 68 |
2007 |
11th Essent Open | B18 Caro-Kann, Classical |
| 43. R Vedder vs E Postny |
| 0-1 | 41 |
2007 |
11th Essent Open | B41 Sicilian, Kan |
| 44. R Vedder vs E Safarli |
| ½-½ | 47 |
2007 |
11th Essent Open | B31 Sicilian, Rossolimo Variation |
| 45. A Tate vs R Vedder |
| 1-0 | 27 |
2008 |
12th Essent Chess Tournament | C55 Two Knights Defense |
| 46. R Pruijssers vs R Vedder |
| 0-1 | 30 |
2008 |
12th Essent Chess Tournament | C80 Ruy Lopez, Open |
| 47. R Vedder vs A Haast |
| 0-1 | 43 |
2008 |
12th Essent Chess Tournament | C91 Ruy Lopez, Closed |
| 48. R Vedder vs J Van Apeldoorn |
| 1-0 | 62 |
2008 |
12th Essent Chess Tournament | B31 Sicilian, Rossolimo Variation |
| 49. R Vedder vs Y Jellema |
| 1-0 | 25 |
2008 |
12th Essent Chess Tournament | B18 Caro-Kann, Classical |
| 50. E Rademakers vs R Vedder |
| 0-1 | 45 |
2008 |
12th Essent Chess Tournament | E04 Catalan, Open, 5.Nf3 |