The BDS Website

Home of the Meson Chess Problem Database and the BDS Ladder

MENU

Home My Chess Problems BDS-50 JT Glossary Downloads Ruud Beugelsdijk
Chess Problem 2002h8a201

BDS

Rochade Europa, 2002

3*2N3K/3*2q4/1*2q6/8/pQ4*2q*2q/P7/kP6/3R4

#2
Transmuting kings
GRASSHOPPERS b6, d7, g4,h4:
NIGHTRIDER d8 

1.Re1! ()

1...Gc8 2.Qxh4#
1...Gf4 2.Qe7#
1...Gb3 2.Qa5#
1...Gh3 2.Qd2#

The key guards e4, allowing the wQ to unguard it in the mates. Four mates from the wN + wQ battery. The transmuting black King has a flight at g5 and, after the battery opens, the wNd8 must also be guarded.

HTML5 logo

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).