Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. J Moller vs J Giersing |
| ½-½ | 28 | 1903 | Nordic Congress, Kristiania | C83 Ruy Lopez, Open |
27. J Giersing vs J G Heftye |
| 1-0 | 26 | 1903 | Nordic Congress, Kristiania | C54 Giuoco Piano |
28. R V Tackholm vs J Giersing |
| 1-0 | 42 | 1903 | Nordic Congress, Kristiania | C53 Giuoco Piano |
29. J Giersing vs O Andresen |
| ½-½ | 36 | 1903 | Nordic Congress, Kristiania | B21 Sicilian, 2.f4 and 2.d4 |
30. A Pritzel vs J Giersing |
| 0-1 | 42 | 1903 | Nordic Congress, Kristiania | C80 Ruy Lopez, Open |
31. R Loman vs J Giersing |
| 1-0 | 41 | 1906 | Stockholm | C12 French, McCutcheon |
32. V Sjoberg vs J Giersing |
| 1-0 | 24 | 1906 | Stockholm | C12 French, McCutcheon |
33. J Giersing vs Schlechter |
| 0-1 | 26 | 1906 | Stockholm | B25 Sicilian, Closed |
34. A H Pettersson vs J Giersing |
| 0-1 | 77 | 1906 | Stockholm | C78 Ruy Lopez |
35. O Bernstein vs J Giersing |
| 1-0 | 24 | 1906 | Stockholm | D30 Queen's Gambit Declined |
36. S O Svensson vs J Giersing |
| 0-1 | 49 | 1906 | Stockholm | C78 Ruy Lopez |
37. J Giersing vs J Mieses |
 | 0-1 | 32 | 1906 | Stockholm | D32 Queen's Gambit Declined, Tarrasch |
38. J Giersing vs F Englund |
| 0-1 | 52 | 1906 | Stockholm | D31 Queen's Gambit Declined |
39. H Suechting vs J Giersing |
| 1-0 | 38 | 1906 | Stockholm | C84 Ruy Lopez, Closed |
40. J Giersing vs J Moller |
| ½-½ | 30 | 1906 | Stockholm | C26 Vienna |
41. J Giersing vs G Marco |
 | ½-½ | 34 | 1906 | Stockholm | C25 Vienna |
42. J Giersing vs Olland |
 | 1-0 | 22 | 1912 | Nordic Congress, Stockholm | C54 Giuoco Piano |
43. Spielmann vs J Giersing |
| 1-0 | 49 | 1912 | Nordic Congress, Stockholm | C29 Vienna Gambit |
44. J Giersing vs F Englund |
| 0-1 | 21 | 1912 | Nordic Congress, Stockholm | C26 Vienna |
45. G Nyholm vs J Giersing |
| 0-1 | 69 | 1912 | Nordic Congress, Stockholm | C77 Ruy Lopez |
46. J Giersing vs V Sjoberg |
| ½-½ | 48 | 1912 | Nordic Congress, Stockholm | B73 Sicilian, Dragon, Classical |
47. G Marco vs J Giersing |
| 1-0 | 36 | 1912 | Nordic Congress, Stockholm | C83 Ruy Lopez, Open |
48. J Giersing vs J Fridlizius |
| 0-1 | 32 | 1912 | Nordic Congress, Stockholm | C49 Four Knights |
49. E Cohn vs J Giersing |
 | 1-0 | 25 | 1912 | Nordic Congress, Stockholm | D02 Queen's Pawn Game |
50. J Giersing vs H W Langborg |
| 1-0 | 26 | 1912 | Nordic Congress, Stockholm | B01 Scandinavian |