| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Godena vs H Karl |
| 1-0 | 43 | 1996 | SUI-chT | C48 Four Knights |
| 27. H Karl vs R Flockert |
| ½-½ | 29 | 1996 | Liechtenstein op | D30 Queen's Gambit Declined |
| 28. H Karl vs N Krogius |
| 0-1 | 21 | 1996 | 6th World Senior Championship | D70 Neo-Grunfeld Defense |
| 29. H Karl vs M Sher |
| 0-1 | 28 | 1997 | Liechtenstein Open | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 30. H Karl vs S Pedersen |
| ½-½ | 15 | 1997 | Liechtenstein Open | D11 Queen's Gambit Declined Slav |
| 31. C Hillgarter vs H Karl |
| ½-½ | 52 | 1997 | Liechtenstein Open | C68 Ruy Lopez, Exchange |
| 32. H Karl vs G Borisenko |
| 0-1 | 33 | 1998 | Wch Seniors | E40 Nimzo-Indian, 4.e3 |
| 33. U Rueetschi vs H Karl |
| ½-½ | 24 | 1999 | SUI-chT | E91 King's Indian |
| 34. H Karl vs M Oehrli |
| 1-0 | 26 | 1999 | Baden Casino Open | E10 Queen's Pawn Game |
| 35. G Porubszki vs H Karl |
| 0-1 | 33 | 1999 | Baden Casino Open | A48 King's Indian |
| 36. H Karl vs I Nemet |
| 1-0 | 50 | 1999 | Baden Casino Open | A57 Benko Gambit |
| 37. M Cebalo vs H Karl |
| 0-1 | 54 | 1999 | Baden Casino Open | A25 English |
| 38. H Karl vs J Hickl |
| 0-1 | 48 | 1999 | Baden Casino Open | B09 Pirc, Austrian Attack |
| 39. F Goldstern vs H Karl |
| ½-½ | 20 | 1999 | Baden Casino Open | E91 King's Indian |
| 40. H Karl vs D Pikula |
| 0-1 | 35 | 1999 | Baden Casino Open | E77 King's Indian |
| 41. P Remensberger vs H Karl |
| ½-½ | 48 | 1999 | Baden Casino Open | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 42. H Karl vs B Zuelle |
| ½-½ | 56 | 1999 | Baden Casino Open | E06 Catalan, Closed, 5.Nf3 |
| 43. H Karl vs M Macdonald-Ross |
| 0-1 | 50 | 2002 | European Senior Championship | D37 Queen's Gambit Declined |
| 44. H Karl vs H Kock |
| ½-½ | 15 | 2002 | European Senior Championship | B10 Caro-Kann |
| 45. H Karl vs D Villing |
| ½-½ | 56 | 2002 | European Senior Championship | A53 Old Indian |
| 46. I Efimov vs H Karl |
| 1-0 | 33 | 2003 | Valle d'Aosta Open | E60 King's Indian Defense |
| 47. H Karl vs A Skripchenko |
| 0-1 | 64 | 2003 | Valle d'Aosta Open | D20 Queen's Gambit Accepted |
| 48. H Karl vs L Voloshin |
| 0-1 | 49 | 2003 | Imperia op 45th | E21 Nimzo-Indian, Three Knights |
| 49. H Karl vs A Gershon |
| 1-0 | 37 | 2004 | Aosta Open | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 50. N Zhukova vs H Karl |
| 1-0 | 35 | 2004 | Aosta Open | E80 King's Indian, Samisch Variation |
Kibitzing
