Problem Display
PID: 135870 (3n1b2/1pQ5/bK1p1p2/1p1NpN2/4k2P/RpP1p2P/1P2P3/8 w - - 0 1)

Labone, OH

The Field, 1916

(First published on Sat Dec 2 1916)

3n1b2/1pQ5/bK1p1p2/1p1NpN2/4k2P/RpP1p2P/1P2P3/8

#3

10 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Qh7+
        • 2...Ke6
          • 3.Sc7#
    • 1...Sc6
      • 2.Sg3+
        • 2...Kxd5
          • 3.Qf7#
    • 1...Sf7
      • 2.Sg3+
        • 2...Kxd5
          • 3.Qxf7#
  • Tries
    • 1.Qxd6?
      • threat
        • 2.Sg3#
      • 1...Kxf5
        • 2.Qxf6+
          • 2...Ke4
            • 3.Qf3#
      • 1...Bxd6!
    • 1.Qc4+?
      • 1...Kxf5
        • 2.Qg4#
      • 1...bxc4!
    • 1.Qf7?
      • threat
        • 2.Sg3#
      • 1...Kxf5
        • 2.Qxf6+
          • 2...Ke4
            • 3.Qf3#
        • 2.Qh7+
          • 2...Ke6
            • 3.Sc7#
      • 1...Se6
        • 2.Qxe6
          • threat
            • 3.Sg3#
      • 1...Sxf7!
    • 1.Qh7?
      • threat
        • 2.Sfxe3+
          • 2...f5
            • 3.Qxf5#
        • 2.Sfe7+
          • 2...f5
            • 3.Qxf5#
      • 1...Be7
        • 2.Sfxe3+
          • 2...f5
            • 3.Qxf5#
        • 2.Sfxe7+
          • 2...f5
            • 3.Qxf5#
      • 1...Kxd5!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Qc4+
          • 2...Kxf5
            • 3.Qg4#
          • 2...bxc4
            • 3.Sg3#
      • 1...Kxd5
        • 2.Qc4+
          • 2...Kxc4
            • 3.Sxe3#
      • 1...Kxf5
        • 2.Qh7+
          • 2...Ke6
            • 3.Sc7#
      • 1...Bh6
        • 2.Qc4+
          • 2...Kxf5
            • 3.Se7#
            • 3.Qg4#
          • 2...bxc4
            • 3.Sg3#
            • 3.Sxd6#
      • 1...Be7
        • 2.Qc4+
          • 2...Kxf5
            • 3.Sxe7#
            • 3.Qg4#
          • 2...bxc4
            • 3.Sg3#
      • 1...Bg7
        • 2.Qc4+
          • 2...Kxf5
            • 3.Se7#
            • 3.Qg4#
          • 2...bxc4
            • 3.Sg3#
            • 3.Sxd6#
      • 1...Sc6
        • 2.Sg3+
          • 2...Kxd5
            • 3.Qf7#
      • 1...Se6
        • 2.Qc4+
          • 2...Kxf5
            • 3.Qg4#
          • 2...Sd4
            • 3.Sg3#
          • 2...bxc4
            • 3.Sg3#

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).