Overview
Genre
| 2# | 2 | Overview | Omit | Problems |
| 3# | 1 | Overview | Omit | Problems |
| Retro | 1 | Overview | Omit | Problems |
Authors
| Fabel, Karl | 3 | Overview | Omit | Problems |
| Loyd, Samuel | 1 | Overview | Omit | Problems |
Sources
| Horizont | 4 | Overview | Omit | Problems |
| Musical World | 1 | Overview | Omit | Problems |
| Neue Berliner Schachzeitung | 1 | Overview | Omit | Problems |
| Pravda | 1 | Overview | Omit | Problems |
| Problem | 1 | Overview | Omit | Problems |
| Problemista | 1 | Overview | Omit | Problems |
| Schachsport (LVOOe) | 1 | Overview | Omit | Problems |
| 2345 Chess Problems | 1 | Overview | Omit | Problems |
| Amitie et nature | 1 | Overview | Omit | Problems |
| Darnall Magazine | 1 | Overview | Omit | Problems |
| Das Schachproblem | 1 | Overview | Omit | Problems |
| Droit et Liberté | 1 | Overview | Omit | Problems |
| Einführung in das Problemschach [Fabel] | 1 | Overview | Omit | Problems |
Keywords
| Miniatur | 2 | Overview | Omit | Problems |
| Miniaturensammlung | 2 | Overview | Omit | Problems |
| Minimal | 2 | Overview | Omit | Problems |
| Opferschlüssel | 1 | Overview | Omit | Problems |
| Rochade | 1 | Overview | Omit | Problems |
| Turmopfer | 1 | Overview | Omit | Problems |
| Wer ist am Zug? | 1 | Overview | Omit | Problems |
| Zugwechsel | 1 | Overview | Omit | Problems |
| Zugzwang-Ziel | 1 | Overview | Omit | Problems |
| Bauernmatt | 1 | Overview | Omit | Problems |
| fluchtfeldgebender Schlüssel | 1 | Overview | Omit | Problems |
| Hineinziehungsopfer | 1 | Overview | Omit | Problems |
| Mattwechsel | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 2 | Overview | Omit | Problems |
| C+ | 2 | Overview | Omit | Problems |
Cooked
| not cooked | 4 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+K%3D%27Hilfsr%C3%BCckz%C3%BCger%27+AND+S%3D%27Horizont%27+AND+NOT+K%3D%27geduldeter+Umwandlungsdual%27