Letzen, Einar
1st Prize, Sydsvenska Dagbladet Snallposten, 1921
#2
5 + 2
13255 | Hoekstenen | 1967 |
2012 | Miniature Chess Problems from Many Countries | 1981 |
3295 | Einfuhrung in die Welt des Schachproblem | 1984 |
3713 | Snap | 2007 |
This anticipates 71660(1933)
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).