Overview
Genre
| 2# | 2 | Overview | Omit | Problems |
| 3# | 2 | Overview | Omit | Problems |
| h# | 2 | Overview | Omit | Problems |
| s# | 1 | Overview | Omit | Problems |
Authors
| Hultberg, Herbert | 2 | Overview | Omit | Problems |
| Degenkolbe, Mirko | 1 | Overview | Omit | Problems |
| Zujew, Nikolai | 1 | Overview | Omit | Problems |
| Trcala, Stanislav | 1 | Overview | Omit | Problems |
| Rothwell, Stephen | 1 | Overview | Omit | Problems |
| Degener, Udo | 1 | Overview | Omit | Problems |
| Vilkauskas, Antanas | 1 | Overview | Omit | Problems |
| Pachl, Franz | 1 | Overview | Omit | Problems |
Sources
| Deutsche Schachzeitung | 1 | Overview | Omit | Problems |
| Leipziger Illustrirte Zeitung | 1 | Overview | Omit | Problems |
| Makedonski Problemist | 1 | Overview | Omit | Problems |
| Schach | 1 | Overview | Omit | Problems |
| St. Petersburger Zeitung | 1 | Overview | Omit | Problems |
| SuperProblem (Website) | 1 | Overview | Omit | Problems |
| Sydsvenska Dagbladet Snällposten | 1 | Overview | Omit | Problems |
| The Problemist | 1 | Overview | Omit | Problems |
| Tidskrift för Schack | 1 | Overview | Omit | Problems |
| Versunkene Schätze | 1 | Overview | Omit | Problems |
Keywords
| Batterieaufbau | 7 | Overview | Omit | Problems |
| Umwandlung | 4 | Overview | Omit | Problems |
| Umwandlungsschlüssel | 4 | Overview | Omit | Problems |
| Abzugsmatt | 2 | Overview | Omit | Problems |
| Springeropfer | 2 | Overview | Omit | Problems |
| Königsbatterie | 2 | Overview | Omit | Problems |
| Sammlung Brian Stephenson | 2 | Overview | Omit | Problems |
| Meerane-Thema | 2 | Overview | Omit | Problems |
| Miniatur | 2 | Overview | Omit | Problems |
| Miniaturensammlung | 2 | Overview | Omit | Problems |
| Minimal | 2 | Overview | Omit | Problems |
| Mustermatt | 2 | Overview | Omit | Problems |
| Sagorujko | 1 | Overview | Omit | Problems |
| Batteriematt diagonal | 1 | Overview | Omit | Problems |
| Batteriematt horizontal | 1 | Overview | Omit | Problems |
| Batterienutzung, mehrfache | 1 | Overview | Omit | Problems |
| Bauernmatt | 1 | Overview | Omit | Problems |
| Doppelschach-Matt | 1 | Overview | Omit | Problems |
| Hineinziehungsopfer | 1 | Overview | Omit | Problems |
| Schachschlüssel | 1 | Overview | Omit | Problems |
| Selbstblock | 1 | Overview | Omit | Problems |
| Läuferopfer | 1 | Overview | Omit | Problems |
| Tschumakow-Thema | 1 | Overview | Omit | Problems |
| Turmopfer | 1 | Overview | Omit | Problems |
| Umwandlung im Mattzug | 1 | Overview | Omit | Problems |
| Unterverwandlung im Mattzug | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 7 | Overview | Omit | Problems |
Cooked
| not cooked | 7 | 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%27Batterieaufbau%27+AND+K%3D%27Umwandlung%27