Overview
Genre
| 2# | 4 | Overview | Omit | Problems |
Authors
| Planck, Charles | 2 | Overview | Omit | Problems |
| Möller, Ferdinand | 1 | Overview | Omit | Problems |
| Lyon, I. I. | 1 | Overview | Omit | Problems |
Sources
| American Chess Review | 4 | Overview | Omit | Problems |
| The Chess Problem: Text-Book with Illustrations | 2 | Overview | Omit | Problems |
| Brüderschaft | 1 | Overview | Omit | Problems |
| Milwaukee Telegraph | 1 | Overview | Omit | Problems |
Keywords
| Blocknutzung | 2 | Overview | Omit | Problems |
| Sammlung Brian Stephenson | 2 | Overview | Omit | Problems |
| Zugzwang-Ziel | 2 | Overview | Omit | Problems |
| Scherzaufgabe | 1 | Overview | Omit | Problems |
| En passant | 1 | Overview | Omit | Problems |
| En passant als Schlüssel | 1 | Overview | Omit | Problems |
| Figurenopfer | 1 | Overview | Omit | Problems |
| Linienöffnung | 1 | Overview | Omit | Problems |
| Linienverstellung | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 3 | Overview | Omit | Problems |
| C+ | 1 | 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%27American+Chess+Review%27+AND+G%3D%272%23%27