Overview
Genre
| h# | 7 | Overview | Omit | Problems |
Authors
| Schöneberg, Achim | 1 | Overview | Omit | Problems |
| Thoma, Andreas | 1 | Overview | Omit | Problems |
| Kölske, Bert | 1 | Overview | Omit | Problems |
| Grupen, Claus | 1 | Overview | Omit | Problems |
| Schulze, Eberhard | 1 | Overview | Omit | Problems |
| Kummer, Eckart | 1 | Overview | Omit | Problems |
| Forsberg, Henry Olof Axel | 1 | Overview | Omit | Problems |
| Böttger, Horst | 1 | Overview | Omit | Problems |
| Witztum, Menachem | 1 | Overview | Omit | Problems |
| Kotesovec, Vaclav | 1 | Overview | Omit | Problems |
| Bunka, Vladislav | 1 | Overview | Omit | Problems |
Sources
| feenschach | 3 | Overview | Omit | Problems |
| Die Schwalbe | 2 | Overview | Omit | Problems |
| Encyclopedia of Chess Problems | 1 | Overview | Omit | Problems |
| 100 Classics of the Chessboard | 1 | Overview | Omit | Problems |
| Belfort | 1 | Overview | Omit | Problems |
| FIDE Album 1914-1944/III | 1 | Overview | Omit | Problems |
| harmonie | 1 | Overview | Omit | Problems |
| König & Turm | 1 | Overview | Omit | Problems |
| Minimalkunst im Schach | 1 | Overview | Omit | Problems |
| Probleemblad | 1 | Overview | Omit | Problems |
| Problem | 1 | Overview | Omit | Problems |
| Problem-Forum | 1 | Overview | Omit | Problems |
| Problemkiste | 1 | Overview | Omit | Problems |
| Problemschach [Sidler] | 1 | Overview | Omit | Problems |
| Revista Romana de Sah | 1 | Overview | Omit | Problems |
| Rex Multiplex | 1 | Overview | Omit | Problems |
| Sachova skladba | 1 | Overview | Omit | Problems |
| Schach in Schleswig-Holstein | 1 | Overview | Omit | Problems |
| Schach ohne Partner [Grasemann] | 1 | Overview | Omit | Problems |
| Schach-Echo | 1 | Overview | Omit | Problems |
| Szachy | 1 | Overview | Omit | Problems |
| The Chess Review | 1 | Overview | Omit | Problems |
| The Problemist | 1 | Overview | Omit | Problems |
| Tim Krabbé's Website | 1 | Overview | Omit | Problems |
| Zwillinge und Mehrlinge | 1 | Overview | Omit | Problems |
Keywords
| Forsberg-Zwilling | 7 | Overview | Omit | Problems |
| Minimal | 2 | Overview | Omit | Problems |
| Mustermatt | 2 | Overview | Omit | Problems |
| Rundlauf | 1 | Overview | Omit | Problems |
| Schlagschlüssel | 1 | Overview | Omit | Problems |
| Selbstblock | 1 | Overview | Omit | Problems |
| Tempoverlust | 1 | Overview | Omit | Problems |
| Tschumakow-Thema | 1 | Overview | Omit | Problems |
| Umwandlung | 1 | Overview | Omit | Problems |
| Umwandlung im Mattzug | 1 | Overview | Omit | Problems |
| Unterverwandlung | 1 | Overview | Omit | Problems |
| Unterverwandlung im Schlüsselzug | 1 | Overview | Omit | Problems |
| x Steine ziehen auf ein Feld | 1 | Overview | Omit | Problems |
| Kniest-Thema | 1 | Overview | Omit | Problems |
| konsekutive Umwandlungen 2 | 1 | Overview | Omit | Problems |
| Linienöffnung | 1 | Overview | Omit | Problems |
| Miniatur | 1 | Overview | Omit | Problems |
| Aristokrat | 1 | Overview | Omit | Problems |
| Eck zu Eck | 1 | Overview | Omit | Problems |
| Eckmatt | 1 | Overview | Omit | Problems |
| Entblockung | 1 | Overview | Omit | Problems |
| Exzelsior Weiß | 1 | Overview | Omit | Problems |
| Fernblock | 1 | Overview | Omit | Problems |
Computer tested
| C+ | 4 | Overview | Omit | Problems |
| not C+ | 3 | Overview | Omit | Problems |
Cooked
| not cooked | 7 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20220810+AND+G%3D%27h%23%27+AND+NOT+A%3D%27Svoboda%2C+Rudolf%27+AND+K%3D%27Forsberg-Zwilling%27