Overview
Genre
| 3# | 2 | Overview | Omit | Problems |
Authors
| Jakab, Arpad | 1 | Overview | Omit | Problems |
| Keller, Michael | 1 | Overview | Omit | Problems |
Sources
| Deutsche Schachzeitung | 1 | Overview | Omit | Problems |
| Magyar Sakkvilag | 1 | Overview | Omit | Problems |
| Michael Keller. Ein Meister der Schachkomposition [Chlubna] | 1 | Overview | Omit | Problems |
Keywords
| Grimshaw | 2 | Overview | Omit | Problems |
| Nowotny | 1 | Overview | Omit | Problems |
| Sammlung Brian Stephenson | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 2 | Overview | Omit | Problems |
Cooked
| not cooked | 2 | 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%27Grimshaw%27+AND+NOT+G%3D%272%23%27+AND+NOT+CPLUS++AND+NOT+S%3D%27Michael+Keller.+Ein+Meister+der+Schachkomposition+%5BChlubna%5D%27