Overview
Genre
| 2# | 16 | Overview | Omit | Problems |
| n# | 4 | Overview | Omit | Problems |
| Retro | 2 | Overview | Omit | Problems |
| h# | 2 | Overview | Omit | Problems |
Authors
| Sommer, Bruno Oswald | 24 | Overview | Omit | Problems |
Sources
| Die Schwalbe | 21 | Overview | Omit | Problems |
| Beispiele zur Ideengeschichte des Schachproblems | 3 | Overview | Omit | Problems |
| Deutsche Schachzeitung | 2 | Overview | Omit | Problems |
| FIDE Album 1956-1958 | 2 | Overview | Omit | Problems |
| Am Rande des Schachbretts | 2 | Overview | Omit | Problems |
| Schach | 2 | Overview | Omit | Problems |
| Schach ohne Partner [Grasemann] | 1 | Overview | Omit | Problems |
| Schach-Express | 1 | Overview | Omit | Problems |
| Solving in Style [Nunn] | 1 | Overview | Omit | Problems |
| Teplitz-Schönauer Anzeiger | 1 | Overview | Omit | Problems |
| Windausche Zeitung | 1 | Overview | Omit | Problems |
| Die Welt | 1 | Overview | Omit | Problems |
| FIDE Album 1914-1944/I | 1 | Overview | Omit | Problems |
| Illustrierte Kronen Zeitung | 1 | Overview | Omit | Problems |
| Postimees | 1 | Overview | Omit | Problems |
| Problemschach [Grasemann] | 1 | Overview | Omit | Problems |
| Rigaer Jüdische Rundschau | 1 | Overview | Omit | Problems |
| Deutscher Schachbund | 1 | Overview | Omit | Problems |
| Deutsche Allgemeine Zeitung | 1 | Overview | Omit | Problems |
Keywords
| Sammlung Brian Stephenson | 3 | Overview | Omit | Problems |
| Bauernmatt | 2 | Overview | Omit | Problems |
| Rochade | 2 | Overview | Omit | Problems |
| Zugzwang-Ziel | 2 | Overview | Omit | Problems |
| Rochadesschlüssel | 1 | Overview | Omit | Problems |
| Blocknutzung | 1 | Overview | Omit | Problems |
| Doppelschritt weißer Bauer | 1 | Overview | Omit | Problems |
| Doppelveröffentlichung | 1 | Overview | Omit | Problems |
| Holzhausen | 1 | Overview | Omit | Problems |
| Kreuzschach | 1 | Overview | Omit | Problems |
| Mattwechsel | 1 | Overview | Omit | Problems |
| Abzugsmatt | 1 | Overview | Omit | Problems |
| Auswahlschlüssel | 1 | Overview | Omit | Problems |
| Batterieaufbau | 1 | Overview | Omit | Problems |
| Batteriematt vertikal | 1 | Overview | Omit | Problems |
| Schachprovokation | 1 | Overview | Omit | Problems |
| Schlagrömer | 1 | Overview | Omit | Problems |
| Springeropfer | 1 | Overview | Omit | Problems |
| Thema B2 | 1 | Overview | Omit | Problems |
| Themawechsel | 1 | Overview | Omit | Problems |
| Turton | 1 | Overview | Omit | Problems |
| Verteidigungsrückzüger | 1 | Overview | Omit | Problems |
| Verteidigungsrückzüger, Typ Proca | 1 | Overview | Omit | Problems |
| Vorplan | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 18 | Overview | Omit | Problems |
| not C+ | 6 | Overview | Omit | Problems |
Cooked
| not cooked | 23 | Overview | Omit | Problems |
| cooked | 1 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+G%3D%273%23%27+AND+A%3D%27Sommer%2C+Bruno+Oswald%27