| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Nijboer vs D Ruijgrok |
| 1-0 | 61 | 2007 | 11th Essent Open | C95 Ruy Lopez, Closed, Breyer |
| 27. D Ruijgrok vs B van Opheusden |
| 1-0 | 44 | 2007 | 11th Essent Open | B90 Sicilian, Najdorf |
| 28. E Safarli vs D Ruijgrok |
| ½-½ | 50 | 2007 | 11th Essent Open | C77 Ruy Lopez |
| 29. D Ruijgrok vs M van Delft |
| 0-1 | 47 | 2007 | 11th Essent Open | B76 Sicilian, Dragon, Yugoslav Attack |
| 30. V Akotchik vs D Ruijgrok |
| 1-0 | 31 | 2007 | 11th Essent Open | A81 Dutch |
| 31. D Ruijgrok vs A van Weersel |
| ½-½ | 53 | 2007 | 11th Essent Open | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 32. J van Apeldoorn vs D Ruijgrok |
| 0-1 | 41 | 2007 | 11th Essent Open | C45 Scotch Game |
| 33. D Ruijgrok vs P Schuurman |
| 1-0 | 62 | 2007 | 11th Essent Open | B12 Caro-Kann Defense |
| 34. D Ruijgrok vs D Reinderman |
 | 0-1 | 43 | 2008 | Corus Group C | B40 Sicilian |
| 35. E Grivas vs D Ruijgrok |
| 1-0 | 35 | 2008 | Corus Group C | A10 English |
| 36. D Ruijgrok vs Caruana |
| 0-1 | 50 | 2008 | Corus Group C | B40 Sicilian |
| 37. P Carlsson vs D Ruijgrok |
| 1-0 | 28 | 2008 | Corus Group C | C95 Ruy Lopez, Closed, Breyer |
| 38. D Ruijgrok vs A Braun |
| ½-½ | 58 | 2008 | Corus Group C | B18 Caro-Kann, Classical |
| 39. Van der Wiel vs D Ruijgrok |
| ½-½ | 47 | 2008 | Corus Group C | C45 Scotch Game |
| 40. D Ruijgrok vs S Li |
| ½-½ | 49 | 2008 | Corus Group C | B58 Sicilian |
| 41. A Ushenina vs D Ruijgrok |
| 1-0 | 38 | 2008 | Corus Group C | D83 Grunfeld, Grunfeld Gambit |
| 42. D Ruijgrok vs Nijboer |
| 0-1 | 64 | 2008 | Corus Group C | B58 Sicilian |
| 43. Negi vs D Ruijgrok |
| 1-0 | 35 | 2008 | Corus Group C | B31 Sicilian, Rossolimo Variation |
| 44. D Ruijgrok vs Z Peng |
| 0-1 | 71 | 2008 | Corus Group C | C07 French, Tarrasch |
| 45. M van der Werf vs D Ruijgrok |
| ½-½ | 25 | 2008 | Corus Group C | D83 Grunfeld, Grunfeld Gambit |
| 46. D Ruijgrok vs I Krush |
| 0-1 | 72 | 2008 | Corus Group C | B58 Sicilian |
Kibitzing
