| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. E Weichselbaumer vs O Cruz Filho |
| 0-1 | 31 |
1952 |
Helsinki ol (Men) | E33 Nimzo-Indian, Classical |
| 2. Milner-Barry vs E Weichselbaumer |
| 1-0 | 28 |
1952 |
Helsinki ol (Men) | C11 French |
| 3. E Cobo Arteaga vs E Weichselbaumer |
| 1-0 | 27 |
1952 |
Helsinki ol (Men) | E41 Nimzo-Indian |
| 4. E Weichselbaumer vs Sajtar |
| 0-1 | 40 |
1952 |
Helsinki ol (Men) | D83 Grunfeld, Grunfeld Gambit |
| 5. E Pedersen vs E Weichselbaumer |
| 1-0 | 46 |
1952 |
Helsinki ol (Men) | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 6. E Rojahn vs E Weichselbaumer |
 | 1-0 | 45 |
1952 |
Helsinki ol (Men) | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 7. E Weichselbaumer vs Eliskases |
| 0-1 | 35 |
1952 |
Helsinki | E69 King's Indian, Fianchetto, Classical Main line |
| 8. E Weichselbaumer vs E Nievergelt |
| 0-1 | 27 |
1954 |
Amsterdam ol (Men) | E37 Nimzo-Indian, Classical |
| 9. M Rantanen vs E Weichselbaumer |
| 1-0 | 39 |
1954 |
Amsterdam ol (Men) | E17 Queen's Indian |
| 10. F Bohatirchuk vs E Weichselbaumer |
| 1-0 | 62 |
1954 |
Amsterdam | C00 French Defense |
| 11. E Weichselbaumer vs B Andersen |
| 0-1 | 46 |
1954 |
Amsterdam ol (Men) | E39 Nimzo-Indian, Classical, Pirc Variation |
| 12. E Weichselbaumer vs S Burstein |
| 0-1 | 37 |
1954 |
Amsterdam ol (Men) | E76 King's Indian, Four Pawns Attack |
