Problem Display
PID: 48571 (B4K2/3P2p1/p1rn2Qp/Rb1k4/1Pnq4/1P1R2P1/2P5/8 w - - 0 1)

Daniel, Arthur William

The Problemist, 1929

B4K2/3P2p1/p1rn2Qp/Rb1k4/1Pnq4/1P1R2P1/2P5/8

#3

10 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Sf5
      • 2.Qxf5+
        • 2...Kd6
          • 3.d8Q#
        • 2...Se5
          • 3.d8Q#
          • 3.d8R#
    • 1...Se8
      • 2.Bxc6+
        • 2...Ke5
          • 3.dxe8Q#
          • 3.dxe8R#
      • 2.dxe8Q
        • threat
          • 3.Bxc6#
          • 3.Qgxc6#
          • 3.Qge6#
          • 3.Qee4#
          • 3.Qee6#
        • 2...Qxd3
          • 3.Qxd3#
  • Tries
    • 1.d8S?
      • threat
        • 2.Qe6#
      • 1...Se5
        • 2.Bxc6+
          • 2...Sxc6
            • 3.Qe6#
      • 1...Sb7
        • 2.Qxc6+
          • 2...Ke5
            • 3.Qe6#
      • 1...Qxd3!
  • Keys
    • 1.d8Q!
      • threat
        • 2.Qf5+
          • 2...Se5
            • 3.c4#
        • 2.Qe7
          • threat
            • 3.Qge6#
            • 3.Qee6#
          • 2...Qxd3
            • 3.Qxd3#
          • 2...Sb7
            • 3.Qge4#
            • 3.Qee4#
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd5
            • 3.Qge6#
            • 3.Qee6#
      • 1...Qxd3
        • 2.Qxd3+
          • 2...Ke5
            • 3.Qe7#
          • 2...Ke6
            • 3.Qe7#

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).