Dawson, Thomas Rayner
The Problemist, 1933
#2
10 + 10
15256 | TRD Scrapbook | 2014 |
3713 | Snap | 2022 |
This anticipates 256881(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).