Problem Display
PID: 272528 (k7/1pB2p2/p3b3/1N2pP2/1p2Kp2/5Bb1/8/2Q5 w - - 0 1)

Zickermann, Albert

Die Schwalbe, 1932

k7/1pB2p2/p3b3/1N2pP2/1p2Kp2/5Bb1/8/2Q5

#3

6 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...axb5
      • 2.Qa1+
        • 2...Ba2
          • 3.Qxa2#
    • 1...b6
      • 2.Qc6#
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qa7#
      • 1...Bd5+
        • 2.Kxd5
          • threat
            • 3.Qa7#
          • 2...axb5
            • 3.Qa1#
          • 2...b6
            • 3.Kxe5#
          • 2...Bf2
            • 3.Qg8#
      • 1...Bxf5+
        • 2.Kxf5
          • threat
            • 3.Qa7#
          • 2...axb5
            • 3.Qa1#
          • 2...Bf2
            • 3.Qg8#
      • 1...axb5
        • 2.Qa1+
          • 2...Ba2
            • 3.Qxa2#
      • 1...b6
        • 2.Kxe5+
          • 2...Bd5
            • 3.Bxd5#
      • 1...Bf2
        • 2.Qg8+
          • 2...Bc8
            • 3.Qxc8#

FEATURES


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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).