| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. T Klitgaard vs J Rendboe |
| ½-½ | 32 | 2003 | Politiken Cup | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 27. J Rendboe vs S Bjerke |
| ½-½ | 24 | 2003 | Politiken Cup | D31 Queen's Gambit Declined |
| 28. B Skjoldan vs J Rendboe |
| 1-0 | 74 | 2003 | Politiken Cup | E00 Queen's Pawn Game |
| 29. J Rendboe vs S Marder |
| ½-½ | 30 | 2003 | Politiken Cup | A10 English |
| 30. R H Hasling vs J Rendboe |
| 1-0 | 37 | 2003 | Politiken Cup | B32 Sicilian |
| 31. J Rendboe vs B H Andersen |
| 1-0 | 21 | 2003 | Politiken Cup | D85 Grunfeld |
| 32. T Struch vs J Rendboe |
| 1-0 | 60 | 2003 | Politiken Cup | B22 Sicilian, Alapin |
| 33. J Rendboe vs M Helin |
| 1-0 | 59 | 2003 | Politiken Cup | A42 Modern Defense, Averbakh System |
| 34. E Hermansson vs J Rendboe |
| 1-0 | 36 | 2003 | Aarhus CC 100 ann op | B30 Sicilian |
| 35. J Rendboe vs J G Nilsson |
| 1-0 | 66 | 2004 | North Sea Cup | D85 Grunfeld |
| 36. J Rendboe vs T Skytte |
| 1-0 | 58 | 2004 | North Sea Cup | A25 English |
| 37. E M Nielsen vs J Rendboe |
| ½-½ | 49 | 2004 | North Sea Cup | D55 Queen's Gambit Declined |
| 38. S Bernhardsson vs J Rendboe |
| ½-½ | 32 | 2004 | North Sea Cup | D59 Queen's Gambit Declined, Tartakower |
| 39. J Rendboe vs M Andersen |
| 0-1 | 41 | 2004 | North Sea Cup | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 40. J H Johansen vs J Rendboe |
| 0-1 | 26 | 2004 | North Sea Cup | D03 Torre Attack (Tartakower Variation) |
| 41. J Rendboe vs P Skovgaard |
| 1-0 | 46 | 2004 | North Sea Cup | A56 Benoni Defense |
| 42. O Jakobsen vs J Rendboe |
| 1-0 | 55 | 2004 | North Sea Cup | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 43. J Rendboe vs P M Leimand |
| ½-½ | 27 | 2004 | North Sea Cup | D55 Queen's Gambit Declined |
| 44. J Rendboe vs M Sechting |
| 1-0 | 47 | 2005 | Czech Open-A | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 45. J Rendboe vs P Neuman |
| 0-1 | 33 | 2005 | Czech Open-A | C41 Philidor Defense |
| 46. J Rendboe vs C Jeitz |
| 1-0 | 31 | 2005 | Czech Open-A | D87 Grunfeld, Exchange |
| 47. R Kalod vs J Rendboe |
| 1-0 | 37 | 2005 | Czech Open-A | B30 Sicilian |
| 48. J Rendboe vs E Hermansson |
| ½-½ | 17 | 2005 | Samba Cup-B 2nd | D87 Grunfeld, Exchange |
| 49. J Rendboe vs M Bach |
| 1-0 | 66 | 2006 | 21st North Sea Cup | D34 Queen's Gambit Declined, Tarrasch |
| 50. I Rausis vs J Rendboe |
| 1-0 | 43 | 2006 | 21st North Sea Cup | B30 Sicilian |
Kibitzing
