Problem Display
PID: 26430 (1K2n3/8/2P2p2/8/4kN2/7P/1P6/5QB1 w - - 0 1)

Williams, Philip Hamilton

Source?, 0000

1K2n3/8/2P2p2/8/4kN2/7P/1P6/5QB1

#3

7 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...f5
      • 2.Qe2+
        • 2...Kxf4
          • 3.Qe3#
      • 2.Qd3+
        • 2...Kxf4
          • 3.Qe3#
        • 2...Ke5
          • 3.Qd4#
      • 2.Qe1+
        • 2...Kf3
          • 3.Qe3#
        • 2...Kxf4
          • 3.Qe3#
      • 2.Qf2
        • threat
          • 3.Qe3#
        • 2...Ke5
          • 3.Qd4#
  • Tries
    • 1.Qd3+?
      • 1...Ke5
        • 2.Sg6+
          • 2...Ke6
            • 3.Qd7#
      • 1...Kxf4!
    • 1.Qc4+?
      • 1...Kf3
        • 2.Qd4
          • threat
            • 3.Qe3#
          • 2...Kg3
            • 3.Qf2#
      • 1...Ke5
        • 2.Sg6+
          • 2...Kf5
            • 3.Qg4#
          • 2...Kd6
            • 3.Bh2#
      • 1...Kf5!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qc4+
          • 2...Kf3
            • 3.Qg4#
          • 2...Kf5
            • 3.Qg4#
      • 1...Kd5
        • 2.Qd3+
          • 2...Kxc6
            • 3.Se7#
          • 2...Ke6
            • 3.Qd7#
      • 1...Sd6
        • 2.Qe2+
          • 2...Kd5
            • 3.Se7#
          • 2...Kf5
            • 3.Qg4#
      • 1...f5
        • 2.Qg2+
          • 2...Kd3
            • 3.Se5#

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).