Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. J Dimer vs R H Barnes |
| 0-1 | 41 | 1896 | 10th DSB Congress, Eisenach | C43 Petrov, Modern Attack |
2. J Dimer vs J Metger |
| ½-½ | 28 | 1897 | Hamburg Altona | C50 Giuoco Piano |
3. H Suechting vs J Dimer |
 | 1-0 | 62 | 1897 | Hamburg Altona | C45 Scotch Game |
4. J Dimer vs W Gudehus |
| ½-½ | 56 | 1898 | corr | C68 Ruy Lopez, Exchange |
5. J W te Kolste vs J Dimer |
| ½-½ | 25 | 1899 | 27th DCA Congress, Amsterdam | C63 Ruy Lopez, Schliemann Defense |
6. J Dimer vs J Moquette |
| ½-½ | 86 | 1899 | 27th DCA Congress, Amsterdam | C14 French, Classical |
7. J Dimer vs D Bleijkmans |
| ½-½ | 55 | 1899 | 27th DCA Congress, Amsterdam | C41 Philidor Defense |
8. J Dimer vs Swiderski |
| 1-0 | 30 | 1899 | 27th DCA Congress, Amsterdam | C54 Giuoco Piano |
9. J D Tresling vs J Dimer |
| ½-½ | 29 | 1899 | 27th DCA Congress, Amsterdam | C26 Vienna |
10. J F Heemskerk vs J Dimer |
| 0-1 | 44 | 1899 | 27th DCA Congress, Amsterdam | B45 Sicilian, Taimanov |
11. J Dimer vs H Atkins |
 | 0-1 | 21 | 1899 | 27th DCA Congress, Amsterdam | C55 Two Knights Defense |
12. J Dimer vs J Partaj |
| ½-½ | 35 | 1899 | 27th DCA Congress, Amsterdam | C53 Giuoco Piano |
13. N Mannheimer vs J Dimer |
 | 1-0 | 52 | 1899 | 27th DCA Congress, Amsterdam | C31 King's Gambit Declined, Falkbeer Counter Gambit |
14. J Dimer vs Olland |
| 0-1 | 48 | 1899 | 27th DCA Congress, Amsterdam | C28 Vienna Game |
15. J Dimer vs C Trimborn |
 | 1-0 | 33 | 1899 | 27th DCA Congress, Amsterdam | C55 Two Knights Defense |
16. W Schwan vs J Dimer |
| 0-1 | 47 | 1899 | 27th DCA Congress, Amsterdam | A02 Bird's Opening |
17. W Meiners vs J Dimer |
| 0-1 | 41 | 1899 | 27th DCA Congress, Amsterdam | C63 Ruy Lopez, Schliemann Defense |
18. J Dimer vs A van Foreest |
| 0-1 | 26 | 1899 | 27th DCA Congress, Amsterdam | C55 Two Knights Defense |
19. F W Pelzer vs J Dimer |
| 0-1 | 48 | 1899 | 27th DCA Congress, Amsterdam | C80 Ruy Lopez, Open |
20. Lasker vs J Dimer |
 | 0-1 | 17 | 1904 | Simul, 31b | B45 Sicilian, Taimanov |
21. Teichmann / Chigorin / Dimer vs Lasker / Bier / Metger |
 | 0-1 | 32 | 1904 | Consultation game | C33 King's Gambit Accepted |
22. Teichmann vs Julius Dimer / Max Sohege |
| 1-0 | 13 | 1908 | Consultation game | C83 Ruy Lopez, Open |
23. J Dimer vs H Suechting |
 | 1-0 | 19 | 1909 | Harburg | C29 Vienna Gambit |
24. C Jensen vs J Dimer |
 | 0-1 | 26 | 1912 | Robinow Cup | D40 Queen's Gambit Declined, Semi-Tarrasch |
25. J Dimer vs B Studt |
| 0-1 | 57 | 1913 | Hamburg | C29 Vienna Gambit |