Problem Display
PID: 75712 (4k3/4P3/4K3/4b3/8/8/8/4R3 w - - 0 1)

Zepler, Erich Ernest

Die Schwalbe, 1937

4k3/4P3/4K3/4b3/8/8/8/4R3

#4

3 + 2


23 Die Schwalbe 2007
23 Die Schwalbe 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Rc1!
      • threat
        • 2.Rc8#
      • 1...Bc3
        • 2.Rc2
          • 2...Ba5
            • 3.Rc8+
              • 3...Bd8
                • 4.Rxd8#
                • 4.exd8Q#
                • 4.exd8R#
            • 3.Rf2
              • threat
                • 4.Rf8#
            • 3.Rg2
              • threat
                • 4.Rg8#
      • 1...Bc7
        • 2.Rg1
          • threat
            • 3.Rg8#
          • 2...Bg3
            • 3.Rg2
              • 3...Be1
                • 4.Rg8#
              • 3...Bf2
                • 4.Rg8#
              • 3...Bh2
                • 4.Rg8#
              • 3...Bf4
                • 4.Rg8#
              • 3...Bh4
                • 4.Rg8#
              • 3...Be5
                • 4.Rg8#
              • 3...Bd6
                • 4.Rg8#
              • 3...Bc7
                • 4.Rg8#
              • 3...Bb8
                • 4.Rg8#

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).