Overview
Genre
| s# | 7 | Overview | Omit | Problems |
Authors
| Decker, Adolph | 1 | Overview | Omit | Problems |
| Gorislawski, Michail I. | 1 | Overview | Omit | Problems |
| Petkow, Petko A. | 1 | Overview | Omit | Problems |
| Herland, Sigmund | 1 | Overview | Omit | Problems |
| Shinkman, William A. | 1 | Overview | Omit | Problems |
| Pauly, Wolfgang | 1 | Overview | Omit | Problems |
| Libis, Zdenek | 1 | Overview | Omit | Problems |
Sources
| Deutsches Wochenschach | 4 | Overview | Omit | Problems |
| FIDE Album 1989-1991 | 1 | Overview | Omit | Problems |
| Schach | 1 | Overview | Omit | Problems |
| Schachmatna Misl | 1 | Overview | Omit | Problems |
| Schweizerische Schachzeitung | 1 | Overview | Omit | Problems |
| Selected Compositions | 1 | Overview | Omit | Problems |
Keywords
| Echo-Manöver | 7 | Overview | Omit | Problems |
| Königsbatterie | 1 | Overview | Omit | Problems |
| Opposition | 1 | Overview | Omit | Problems |
| Pattbildwechsel | 1 | Overview | Omit | Problems |
| Quasi-symmetrische Position | 1 | Overview | Omit | Problems |
| symmetrisches Spiel | 1 | Overview | Omit | Problems |
| Batterietransformation | 1 | Overview | Omit | Problems |
| Bauernschlag-Varianten | 1 | Overview | Omit | Problems |
| benachbarte Felder | 1 | Overview | Omit | Problems |
| Echo | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 4 | Overview | Omit | Problems |
| not C+ | 3 | Overview | Omit | Problems |
Cooked
| not cooked | 5 | Overview | Omit | Problems |
| cooked | 2 | 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%27Schach%27+AND+K%3D%27Echo-Man%C3%B6ver%27