Problem Display
PID: 14869 (8/8/2B3b1/8/8/4K3/1N5N/4k3 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1956

8/8/2B3b1/8/8/4K3/1N5N/4k3

#3

4 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Bd3
      • 2.Sxd3+
        • 2...Kd1
          • 3.Ba4#
    • 1...Bh5
      • 2.Sd3+
        • 2...Kd1
          • 3.Ba4#
  • Tries
    • 1.Sd3+?
      • 1...Kd1
        • 2.Ba4#
      • 1...Bxd3!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Sf3#
      • 1...Bd3
        • 2.Sxd3+
          • 2...Kd1
            • 3.Ba4#
      • 1...Be4
        • 2.Be2
          • 2...Bb1
            • 3.Sf3#
          • 2...Bh1
            • 3.Sd3#
          • 2...Bc2
            • 3.Sf3#
          • 2...Bg2
            • 3.Sd3#
          • 2...Bd3
            • 3.Sxd3#
            • 3.Sf3#
          • 2...Bf3
            • 3.Sd3#
            • 3.Sxf3#
          • 2...Bd5
            • 3.Sd3#
          • 2...Bf5
            • 3.Sf3#
          • 2...Bc6
            • 3.Sd3#
          • 2...Bg6
            • 3.Sf3#
          • 2...Bb7
            • 3.Sd3#
          • 2...Bh7
            • 3.Sf3#
          • 2...Ba8
            • 3.Sd3#
      • 1...Bh5
        • 2.Sd3+
          • 2...Kd1
            • 3.Ba4#

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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).