Kuiper, HR
One Hundred and Twenty Problems, 1845
#4
7 + 12
5658 | Beispiele zur Ideengeschichte des Schachproblems (Josef Breuer) | 1982 |
6490 | yacpdb | 2020 |
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).