Overview
Genre
| n# | 4 | Overview | Omit | Problems |
| Retro | 2 | Overview | Omit | Problems |
| Fairies | 2 | Overview | Omit | Problems |
| 3# | 1 | Overview | Omit | Problems |
Authors
| Schauer, Bernhard | 1 | Overview | Omit | Problems |
| Piliczewski, Bogusz | 1 | Overview | Omit | Problems |
| Borst, Dirk | 1 | Overview | Omit | Problems |
| Kovacs, Florian J. | 1 | Overview | Omit | Problems |
| Jahn, Günther | 1 | Overview | Omit | Problems |
| Junker, Karl | 1 | Overview | Omit | Problems |
| Prentos, Kostas | 1 | Overview | Omit | Problems |
Sources
| Die Schwalbe | 3 | Overview | Omit | Problems |
| WCCC Vilnius | 2 | Overview | Omit | Problems |
| Ausgewählte Schachaufgaben [Junker] | 1 | Overview | Omit | Problems |
| Die Welt | 1 | Overview | Omit | Problems |
| Kudesnik | 1 | Overview | Omit | Problems |
| Leipziger Neueste Nachrichten | 1 | Overview | Omit | Problems |
| Problemschach-Jahrbuch 1992 D | 1 | Overview | Omit | Problems |
| Ungarische Schachproblem Anthologie | 1 | Overview | Omit | Problems |
Keywords
| Duell | 5 | Overview | Omit | Problems |
| Duellantenschach | 2 | Overview | Omit | Problems |
| Eindeutige Beweispartie | 2 | Overview | Omit | Problems |
| Miniatur | 1 | Overview | Omit | Problems |
| Rex solus | 1 | Overview | Omit | Problems |
| Auswahlschlüssel | 1 | Overview | Omit | Problems |
| Charkow-2 | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 7 | Overview | Omit | Problems |
Cooked
| not cooked | 6 | Overview | Omit | Problems |
| cooked | 1 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+K%3D%27Hilfsr%C3%BCckz%C3%BCger%27+AND+K%3D%27Duell%27+AND+NOT+CPLUS+