| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J op den Kelder vs S R Chowdhury |
| 0-1 | 36 | 2007 | Dieren op | B00 Uncommon King's Pawn Opening |
| 27. B Friesen vs J op den Kelder |
| 1-0 | 35 | 2007 | Dieren op | B22 Sicilian, Alapin |
| 28. D Schenkeveld vs J op den Kelder |
| 0-1 | 43 | 2007 | Dieren op | B48 Sicilian, Taimanov Variation |
| 29. J op den Kelder vs T Laarhoven |
| 0-1 | 58 | 2007 | Dieren op | B01 Scandinavian |
| 30. D Schenkeveld vs J op den Kelder |
| 0-1 | 62 | 2007 | Dieren op | B90 Sicilian, Najdorf |
| 31. J op den Kelder vs M Niemi |
| 0-1 | 61 | 2007 | Dieren op | B32 Sicilian |
| 32. J op den Kelder vs J Fluvia Poyatos |
| 1-0 | 63 | 2007 | Banyoles op 10th | B60 Sicilian, Richter-Rauzer |
| 33. J op den Kelder vs M Marin |
| 0-1 | 54 | 2007 | Banyoles op 10th | C98 Ruy Lopez, Closed, Chigorin |
| 34. T Henrichs vs J op den Kelder |
| 0-1 | 30 | 2009 | 3rd ENCI Limburg Open | D27 Queen's Gambit Accepted, Classical |
| 35. T Henrichs vs J op den Kelder |
| 0-1 | 30 | 2009 | 3rd ENCI Limburg Open | D27 Queen's Gambit Accepted, Classical |
| 36. J op den Kelder vs M Dambacher |
| ½-½ | 25 | 2009 | 3rd ENCI Limburg Open | E10 Queen's Pawn Game |
| 37. M Panchanathan vs J op den Kelder |
| 1-0 | 41 | 2009 | 3rd ENCI Limburg Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 38. J op den Kelder vs M Nabuurs |
| 1-0 | 27 | 2009 | 3rd ENCI Limburg Open | D02 Queen's Pawn Game |
| 39. S Arun Prasad vs J op den Kelder |
 | 1-0 | 52 | 2009 | 3rd ENCI Limburg Open | D27 Queen's Gambit Accepted, Classical |
| 40. Thijmen Smith vs J op den Kelder |
| ½-½ | 27 | 2009 | 3rd ENCI Limburg Open | B48 Sicilian, Taimanov Variation |
| 41. J op den Kelder vs C Koenig |
| 1-0 | 31 | 2009 | 3rd ENCI Limburg Open | A04 Reti Opening |
Kibitzing
