Mari, Alberto
La Strategie, 1920
#2
9 + 11
56 | The Problemist | 1937 |
14868 | Pirnie Collection | 2013 |
5454 | Near Snap | 2018 |
This anticipates 147569(1926)
There are these versions: 201451
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).