Copping, Peter F
4th Prize, The Problemist, 1967
#3
14 + 9
136 | Problem Observer | 1997 |
56 | The Problemist | 2006 |
14475 | Mat Plus Review | 2007 |
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).