Hartong, Jan
4th HM., L'Italia Scacchistica, 1948
#2
6 + 7
136 | Problem Observer | 2010 |
5454 | Near Snap | 2018 |
Anticipated by 103974(1936-1937)
This anticipates 163526(1973), 178709(2009-2010)
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).