Overview
Genre
| 2# | 4 | Overview | Omit | Problems |
Authors
| Barnes, Barry Peter | 1 | Overview | Omit | Problems |
| Formanek, Bedrich | 1 | Overview | Omit | Problems |
| Piliczewski, Bogusz | 1 | Overview | Omit | Problems |
| Prins, Henk | 1 | Overview | Omit | Problems |
Sources
| Beispiele zur Ideengeschichte des Schachproblems | 1 | Overview | Omit | Problems |
| Die Schwalbe | 1 | Overview | Omit | Problems |
| Probleemblad | 1 | Overview | Omit | Problems |
| Problemschach-Jahrbuch 1992 D | 1 | Overview | Omit | Problems |
| Stern | 1 | Overview | Omit | Problems |
| The Problemist | 1 | Overview | Omit | Problems |
| U.S. Problem Bulletin | 1 | Overview | Omit | Problems |
Keywords
| Drohwechsel | 4 | Overview | Omit | Problems |
| Auswahlschlüssel | 2 | Overview | Omit | Problems |
| Barnes-Thema | 1 | Overview | Omit | Problems |
| Bauernmatt | 1 | Overview | Omit | Problems |
| Duell | 1 | Overview | Omit | Problems |
| Fesselungsmatt | 1 | Overview | Omit | Problems |
| Fleck-Thema | 1 | Overview | Omit | Problems |
| Grimshaw | 1 | Overview | Omit | Problems |
| Hannelius-Thema | 1 | Overview | Omit | Problems |
| Mattwechsel | 1 | Overview | Omit | Problems |
| Mustermatt | 1 | Overview | Omit | Problems |
| Springerrad | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 4 | Overview | Omit | Problems |
Cooked
| not cooked | 4 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20200919+AND+G%3D%272%23%27+AND+K%3D%27Drohwechsel%27