BDS
The Problemist, 1993
(after C Callendar, Westminster Papers, 1874)
#5
1.Bd1! b5 2.Rb2 b4 3.Bf3 b3 4.Ke2 Bxf3+ 5.Kxf3# Bf1+ 5.Kxf1# Bh1 5.Rxh1#
Another simplification of an old problem.
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).