Overview
Genre
| n# | 4 | Overview | Omit | Problems |
| s# | 1 | Overview | Omit | Problems |
Authors
| Malcom, James | 2 | Overview | Omit | Problems |
| Mendheim, Julius | 1 | Overview | Omit | Problems |
| Ugren, Ljubomir | 1 | Overview | Omit | Problems |
| Tang, Xyan | 1 | Overview | Omit | Problems |
Sources
| SuperProblem (Website) | 2 | Overview | Omit | Problems |
| Aufgaben für Schachspieler | 1 | Overview | Omit | Problems |
| Mat Plus | 1 | Overview | Omit | Problems |
| Problem | 1 | Overview | Omit | Problems |
| puzzling.stackexchange.com | 1 | Overview | Omit | Problems |
Keywords
| Zwickmühle | 6 | Overview | Omit | Problems |
| Rochade | 2 | Overview | Omit | Problems |
| Umwandlung | 2 | Overview | Omit | Problems |
| Zuglängenrekord | 2 | Overview | Omit | Problems |
| bessere Version | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 4 | Overview | Omit | Problems |
| 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%27Zwickm%C3%BChle%27+AND+NOT+S%3D%27Schachmatnaja+Komposizija%27+AND+NOT+S%3D%27Volkswacht+f%C3%BCr+Schlesien%27