BDS
Europa Rochade, 2000
R#2
Transmuting Kings
GRASSHOPPERS a8, d1, h3
1.Ke7! (2.Kd8 Ga5#) 1...c5 2.Kd6 Ga3# 1...c6 2.Kd7 Ga4# 1...Ga5 2.Kf6 Ga1#
The mate in the threat is echoed three times in the variation play, once after a switchback.
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).