Mansfield, Comins
HM., American Chess Bulletin, 1953
#2
10 + 5
3174 | The Two-move Chess Problem Tradition and Development | 1966 |
3550 | Complete Mansfield/II | 1997 |
5454 | Near Snap | 2018 |
Anticipated by 175150(1902)
There are these versions: 18185
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).