Overview
Genre
| n# | 3 | Overview | Omit | Problems |
Authors
| Ursprung, Karl | 3 | Overview | Omit | Problems |
Sources
| Schach-Echo | 2 | Overview | Omit | Problems |
| Die Schwalbe | 1 | Overview | Omit | Problems |
Keywords
| Sammlung Brian Stephenson | 1 | Overview | Omit | Problems |
| Zugwechsel | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 2 | Overview | Omit | Problems |
| not C+ | 1 | Overview | Omit | Problems |
Cooked
| not cooked | 3 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+K%3D%27Hilfsr%C3%BCckz%C3%BCger%27+AND+G%3D%27n%23%27+AND+A%3D%27Ursprung%2C+Karl%27