d'Orville, Peter Auguste
250 Problemes des Echecs, 1842
#2
6 + 1
16 | Chess Amateur (The) | 1910 |
785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1953 |
5454 | Near Snap | 2014 |
This anticipates 136914(1995)
There are these versions: 78083
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).