Lehner, Sigmund Franz Josef
Source?, 1864
#3
2 + 2
3757 | Schachminiaturen I | 1902 |
16 | Chess Amateur (The) | 1910 |
4349 | Kleinste Schachaufgaben Drei- und Viersteiner | 1970 |
56 | The Problemist | 1980 |
2012 | Miniature Chess Problems from Many Countries | 1981 |
5454 | Near Snap | 2018 |
This anticipates 24593(1888), 181334(1904)
There are these versions: 167196
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).