Postma, Bernardus
Comm., Problemas, 1971
#2
4 + 3
3310 | 2345 Chess Problems | 1997 |
3713 | Snap | 2004 |
5454 | Near Snap | 2017 |
Anticipated by 38137(1924), 11242(1937)
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).