Overview
Genre
| s# | 1 | Overview | Omit | Problems |
Authors
| Derka, Frantisek | 1 | Overview | Omit | Problems |
Sources
| Deutsches Wochenschach | 1 | Overview | Omit | Problems |
| Sachove Listy | 1 | Overview | Omit | Problems |
Keywords
Computer tested
| C+ | 1 | Overview | Omit | Problems |
Cooked
| not cooked | 1 | 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+A%3D%27Derka%2C+Frantisek%27