| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H Lahlum vs P Nielsen |
| 1-0 | 34 | 1998 | Politiken Cup | A60 Benoni Defense |
| 27. P Lyrberg vs H Lahlum |
| 1-0 | 49 | 1998 | Politiken Cup | A13 English |
| 28. H Lahlum vs S Fairbairn |
| ½-½ | 22 | 1998 | Politiken Cup | D85 Grunfeld |
| 29. B Schyberg vs H Lahlum |
| ½-½ | 18 | 1998 | Politiken Cup | C18 French, Winawer |
| 30. H Lahlum vs M Schmitz |
| 1-0 | 40 | 1998 | Politiken Cup | D25 Queen's Gambit Accepted |
| 31. M Nielsen vs H Lahlum |
| ½-½ | 25 | 1998 | Politiken Cup | C07 French, Tarrasch |
| 32. H Lahlum vs G Valgardsson |
| 1-0 | 40 | 1998 | Politiken Cup | E87 King's Indian, Samisch, Orthodox |
| 33. S Holm vs H Lahlum |
| ½-½ | 27 | 1998 | Politiken Cup | D46 Queen's Gambit Declined Semi-Slav |
| 34. H Lahlum vs R R Greger |
| 1-0 | 32 | 1998 | Politiken Cup | E32 Nimzo-Indian, Classical |
| 35. J Hector vs H Lahlum |
| 1-0 | 21 | 1998 | Politiken Cup | D01 Richter-Veresov Attack |
| 36. H Olsen vs H Lahlum |
| ½-½ | 22 | 1998 | Politiken Cup | D31 Queen's Gambit Declined |
| 37. H Lahlum vs W Mueller |
| ½-½ | 42 | 1999 | Wichern Open | D85 Grunfeld |
| 38. M Duhn vs H Lahlum |
| 0-1 | 39 | 1999 | Wichern Open | D05 Queen's Pawn Game |
| 39. T Bretschneider vs H Lahlum |
| 0-1 | 20 | 1999 | Wichern Open | C15 French, Winawer |
| 40. H Lahlum vs H Odeev |
| ½-½ | 16 | 1999 | Wichern Open | D85 Grunfeld |
| 41. H Lahlum vs J Aagaard |
| 0-1 | 48 | 1999 | Wichern Open | E32 Nimzo-Indian, Classical |
| 42. H Schulz vs H Lahlum |
| 1-0 | 35 | 1999 | Wichern Open | C00 French Defense |
| 43. H Lahlum vs S Ferkingstad |
| 1-0 | 34 | 1999 | Wichern Open | A80 Dutch |
| 44. L Zesch vs H Lahlum |
| 0-1 | 36 | 1999 | Wichern Open | C07 French, Tarrasch |
| 45. H Lahlum vs L Deglmann |
| ½-½ | 4 | 1999 | Wichern Open | A53 Old Indian |
| 46. H Lahlum vs C F Ekeberg |
 | 1-0 | 33 | 2000 | Bergen Open | D85 Grunfeld |
| 47. M Sagafos vs H Lahlum |
| ½-½ | 36 | 2000 | Bergen Open | C02 French, Advance |
| 48. H Lahlum vs Tiviakov |
| 0-1 | 49 | 2000 | Bergen Open | E32 Nimzo-Indian, Classical |
| 49. H Holder vs H Lahlum |
| 0-1 | 40 | 2000 | Bergen Open | C02 French, Advance |
| 50. H Lahlum vs G Tallaksen Ostmoe |
| ½-½ | 45 | 2000 | Bergen Open | E07 Catalan, Closed |
Kibitzing
