Overview
Genre
| 2# | 5 | Overview | Omit | Problems |
Authors
| Groß, Erwin | 5 | Overview | Omit | Problems |
Sources
| Die Schwalbe | 1 | Overview | Omit | Problems |
| FIDE Album 1974-1976 | 1 | Overview | Omit | Problems |
| FIDE Album 1977-1979 | 1 | Overview | Omit | Problems |
| FIDE Album 1983-1985 | 1 | Overview | Omit | Problems |
| Probleemblad | 1 | Overview | Omit | Problems |
| Schach-Echo | 1 | Overview | Omit | Problems |
| Xeque | 1 | Overview | Omit | Problems |
Keywords
| Sammlung Brian Stephenson | 5 | Overview | Omit | Problems |
| Mattwechsel | 2 | Overview | Omit | Problems |
| Opferschlüssel | 1 | Overview | Omit | Problems |
| Abzugsmatt | 1 | Overview | Omit | Problems |
| Bivalve | 1 | Overview | Omit | Problems |
| Damenopfer | 1 | Overview | Omit | Problems |
| Fesselungsmatt | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 4 | Overview | Omit | Problems |
| not C+ | 1 | Overview | Omit | Problems |
Cooked
| not cooked | 5 | 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%27Sammlung+Brian+Stephenson%27+AND+A%3D%27Gro%C3%9F%2C+Erwin%27