Overview
Genre
| 2# | 6 | Overview | Omit | Problems |
Authors
| Lincoln, Robert A. | 6 | Overview | Omit | Problems |
Sources
| Die Schwalbe | 3 | Overview | Omit | Problems |
| Problem-Forum | 2 | Overview | Omit | Problems |
| More Fun with Chess Miniatures | 1 | Overview | Omit | Problems |
Keywords
| Banny-Thema | 1 | Overview | Omit | Problems |
| Dombrovskis-Thema | 1 | Overview | Omit | Problems |
| Fleck-Thema | 1 | Overview | Omit | Problems |
| mit Umwandlungsfigur | 1 | Overview | Omit | Problems |
| Rex solus | 1 | Overview | Omit | Problems |
| Umwandlung | 1 | Overview | Omit | Problems |
| Urania | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 5 | Overview | Omit | Problems |
| C+ | 1 | Overview | Omit | Problems |
Cooked
| not cooked | 6 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+K%3D%27Hilfsr%C3%BCckz%C3%BCger%27+AND+A%3D%27Lincoln%2C+Robert+A.%27+AND+A%3D%27Lincoln%2C+Robert+A.%27+AND+NOT+K%3D%27Miniatur%27