Problem Display
PID: 78322 (n7/1p6/2R5/8/8/kBK5/8/8 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1961

n7/1p6/2R5/8/8/kBK5/8/8

#4

3 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Rc5!
      • threat
        • 2.Ra5#
      • 1...b5
        • 2.Rxb5
          • threat
            • 3.Ra5#
          • 2...Sb6
            • 3.Ra5+
              • 3...Sa4+
                • 4.Rxa4#
      • 1...b6
        • 2.Rc6
          • 2...Sc7
            • 3.Rxc7
              • 3...b5
                • 4.Ra7#
        • 2.Rc8
          • threat
            • 3.Rxa8#
          • 2...Sc7
            • 3.Rxc7
              • 3...b5
                • 4.Ra7#

FEATURES


NOT CLASSIFIED


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).