Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. E Joppen vs H Nowarra |
| 1-0 | 30 | 1943 | 4th General Government | C13 French |
2. W Kuppe vs E Joppen |
| 1-0 | 36 | 1943 | 4th General Government | C84 Ruy Lopez, Closed |
3. L Lindner vs E Joppen |
 | 0-1 | 9 | 1950 | Bad Schussenried | A02 Bird's Opening |
4. E Joppen vs Gilg |
| 0-1 | 29 | 1953 | FRG Ch 02nd | B73 Sicilian, Dragon, Classical |
5. M Eisinger vs E Joppen |
| 1-0 | 28 | 1953 | Berlin West | B93 Sicilian, Najdorf, 6.f4 |
6. C Rivera vs E Joppen |
| ½-½ | 41 | 1954 | Amsterdam Olympiad qual-4 | E92 King's Indian |
7. E Joppen vs R G Wade |
 | ½-½ | 80 | 1954 | Amsterdam Olympiad qual-4 | B09 Pirc, Austrian Attack |
8. B Sandor vs E Joppen |
| ½-½ | 34 | 1954 | Amsterdam Olympiad qual-4 | A34 English, Symmetrical |
9. J Sajtar vs E Joppen |
| 1-0 | 51 | 1954 | Amsterdam Olympiad Final-A | E87 King's Indian, Samisch, Orthodox |
10. R Goode vs E Joppen |
| 0-1 | 36 | 1954 | Amsterdam Olympiad Final-A | A34 English, Symmetrical |
11. E Joppen vs P H Clarke |
| 1-0 | 38 | 1954 | Amsterdam Olympiad Final-A | C18 French, Winawer |
12. I Kniazer vs E Joppen |
 | ½-½ | 66 | 1954 | Amsterdam Olympiad Final-A | E97 King's Indian |
13. R Bobekov vs E Joppen |
| 0-1 | 26 | 1954 | Amsterdam Olympiad Final-A | E81 King's Indian, Samisch |
14. E Joppen vs I Johannsson |
| 1-0 | 46 | 1954 | Amsterdam Olympiad Final-A | C73 Ruy Lopez, Modern Steinitz Defense |
15. E Joppen vs B Rabar |
  | 1-0 | 35 | 1954 | Amsterdam Olympiad Final-A | B94 Sicilian, Najdorf |
16. C Guimard vs E Joppen |
| ½-½ | 48 | 1954 | Amsterdam Olympiad Final-A | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
17. E Joppen vs Bronstein |
  | 0-1 | 40 | 1954 | Belgrade | B97 Sicilian, Najdorf |
18. Janosevic vs E Joppen |
| 1-0 | 41 | 1954 | Belgrade | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
19. E Joppen vs Pirc |
| 1-0 | 58 | 1954 | Belgrade | B09 Pirc, Austrian Attack |
20. Pilnik vs E Joppen |
| ½-½ | 22 | 1954 | Belgrade | D74 Neo-Grunfeld, 6.cd Nxd5, 7.O-O |
21. E Joppen vs B Djurasevic |
| 0-1 | 34 | 1954 | Belgrade | B94 Sicilian, Najdorf |
22. M Czerniak vs E Joppen |
| 1-0 | 30 | 1954 | Belgrade | D70 Neo-Grunfeld Defense |
23. E Joppen vs P Trifunovic |
| ½-½ | 12 | 1954 | Belgrade | B03 Alekhine's Defense |
24. Gligoric vs E Joppen |
| 1-0 | 41 | 1954 | Belgrade | A80 Dutch |
25. E Joppen vs G Porreca |
| ½-½ | 48 | 1954 | Belgrade | C13 French |