Overview
Genre
| Fairies | 1 | Overview | Omit | Problems |
| h# | 1 | Overview | Omit | Problems |
| n# | 1 | Overview | Omit | Problems |
Authors
| Olin, Per | 1 | Overview | Omit | Problems |
| Malcom, James | 1 | Overview | Omit | Problems |
Sources
| Mat Plus | 2 | Overview | Omit | Problems |
| Retros mailing list | 1 | Overview | Omit | Problems |
| Suomen Tehtäväniekat | 1 | Overview | Omit | Problems |
| ? | 1 | Overview | Omit | Problems |
Keywords
| Scherzaufgabe | 2 | Overview | Omit | Problems |
| Staugaard-Rochade | 1 | Overview | Omit | Problems |
| Umwandlungsscherz | 1 | Overview | Omit | Problems |
| Unterverwandlung | 1 | Overview | Omit | Problems |
| Unterverwandlung im Schlüsselzug | 1 | Overview | Omit | Problems |
| Home-and-Away-Base | 1 | Overview | Omit | Problems |
| Homebase | 1 | Overview | Omit | Problems |
| Kindergarten-Problem | 1 | Overview | Omit | Problems |
| konsekutive Umwandlungen 4 | 1 | Overview | Omit | Problems |
| Miniatur | 1 | Overview | Omit | Problems |
| Minimal | 1 | Overview | Omit | Problems |
| Oneliner | 1 | Overview | Omit | Problems |
| Rex solus | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 1 | Overview | Omit | Problems |
| C+ | 1 | Overview | Omit | Problems |
Cooked
| not 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+K%3D%27Scherzaufgabe%27+AND+S%3D%27Mat+Plus%27