Overview
Genre
| 3# | 18 | Overview | Omit | Problems |
| 2# | 4 | Overview | Omit | Problems |
| n# | 2 | Overview | Omit | Problems |
Authors
| Keller, Michael | 24 | Overview | Omit | Problems |
| Kutzborski, Dieter | 1 | Overview | Omit | Problems |
| Weißauer, Hermann | 1 | Overview | Omit | Problems |
| Gockel, Hubert | 1 | Overview | Omit | Problems |
Sources
| Die Schwalbe | 17 | Overview | Omit | Problems |
| Michael Keller. Ein Meister der Schachkomposition [Chlubna] | 12 | Overview | Omit | Problems |
| Rochade | 3 | Overview | Omit | Problems |
| Schweizerische Schachzeitung | 3 | Overview | Omit | Problems |
| The Problemist | 3 | Overview | Omit | Problems |
| Schach-Report | 2 | Overview | Omit | Problems |
| Sächsische Zeitung | 2 | Overview | Omit | Problems |
| Schweizerische Arbeiter-Schachzeitung | 2 | Overview | Omit | Problems |
| Schach mit Partner | 1 | Overview | Omit | Problems |
| Schach-Aktiv | 1 | Overview | Omit | Problems |
| Schach-Echo | 1 | Overview | Omit | Problems |
| Schweizer Schach-Magazin | 1 | Overview | Omit | Problems |
| Probleemblad | 1 | Overview | Omit | Problems |
| Problemista | 1 | Overview | Omit | Problems |
| ? | 1 | Overview | Omit | Problems |
| Arbeiter-Zeitung (Wien) | 1 | Overview | Omit | Problems |
| Deutsche Schachzeitung | 1 | Overview | Omit | Problems |
| FIDE Album 1977-1979 | 1 | Overview | Omit | Problems |
| Freie Presse (Chemnitz) | 1 | Overview | Omit | Problems |
| Het Parool | 1 | Overview | Omit | Problems |
| Knobeln Sie auch gern? [Pachl] | 1 | Overview | Omit | Problems |
Keywords
| Sammlung Brian Stephenson | 24 | Overview | Omit | Problems |
| Banny-Thema | 2 | Overview | Omit | Problems |
| Blocknutzung | 2 | Overview | Omit | Problems |
| Dualvermeidung | 2 | Overview | Omit | Problems |
| Römer | 2 | Overview | Omit | Problems |
| Ruchlis-Thema | 2 | Overview | Omit | Problems |
| Zyklus weißer Züge | 2 | Overview | Omit | Problems |
| Fesselungsmatt | 1 | Overview | Omit | Problems |
| fluchtfeldgebender Opferschlüssel | 1 | Overview | Omit | Problems |
| fortgesetzte Verteidigung | 1 | Overview | Omit | Problems |
| Grimshaw | 1 | Overview | Omit | Problems |
| Hineinziehungsopfer | 1 | Overview | Omit | Problems |
| Linienöffnung | 1 | Overview | Omit | Problems |
| Linienverstellung | 1 | Overview | Omit | Problems |
| Mari-Thema | 1 | Overview | Omit | Problems |
| Mattwechsel | 1 | Overview | Omit | Problems |
| Nowotny | 1 | Overview | Omit | Problems |
| Paradenwechsel | 1 | Overview | Omit | Problems |
| Pseudo-Le Grand | 1 | Overview | Omit | Problems |
| Räumungsopfer | 1 | Overview | Omit | Problems |
| Deckungsverlust | 1 | Overview | Omit | Problems |
| Bauernmatt | 1 | Overview | Omit | Problems |
| Schachprovokation | 1 | Overview | Omit | Problems |
| Stocchi-Block | 1 | Overview | Omit | Problems |
| vornehmer Nowotny | 1 | Overview | Omit | Problems |
| Zyklus | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 16 | Overview | Omit | Problems |
| C+ | 8 | Overview | Omit | Problems |
Cooked
| not cooked | 24 | 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%27Sammlung+Brian+Stephenson%27+AND+A%3D%27Keller%2C+Michael%27