Overview
Genre
| s# | 3 | Overview | Omit | Problems |
Authors
| Surkow, Waleri A. | 2 | Overview | Omit | Problems |
| Pitkänen, Jorma | 1 | Overview | Omit | Problems |
Sources
| feenschach | 3 | Overview | Omit | Problems |
Keywords
| Unterverwandlung L/S | 3 | Overview | Omit | Problems |
| Antiphönix | 1 | Overview | Omit | Problems |
| Bauernmatt | 1 | Overview | Omit | Problems |
| Fesselung | 1 | Overview | Omit | Problems |
| konsekutive Umwandlungen 3 | 1 | Overview | Omit | Problems |
| Miniatur | 1 | Overview | Omit | Problems |
| Minimal | 1 | Overview | Omit | Problems |
| Mustermatt | 1 | Overview | Omit | Problems |
| Schachschlüssel | 1 | Overview | Omit | Problems |
| Selbstblock | 1 | Overview | Omit | Problems |
| Unterverwandlung | 1 | Overview | Omit | Problems |
| Unterverwandlung im Schlüsselzug | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 2 | Overview | Omit | Problems |
| not C+ | 1 | Overview | Omit | Problems |
Cooked
| not cooked | 3 | 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%27feenschach%27+AND+K%3D%27Unterverwandlung+L%2FS%27