Problem Display
PID: 26973 (5BK1/8/5N1Q/4k2p/8/1p4p1/1n6/8 w - - 0 1)

Williams, Philip Hamilton

Source?, 0000

5BK1/8/5N1Q/4k2p/8/1p4p1/1n6/8

#3

4 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Qe3+?
      • 1...Kf5
        • 2.Qe4+
          • 2...Kg5
            • 3.Sh7#
          • 2...Kxf6
            • 3.Be7#
      • 1...Kxf6!
    • 1.Qf4+?
      • 1...Ke6
        • 2.Qe4+
          • 2...Kxf6
            • 3.Be7#
      • 1...Kxf4!
    • 1.Qg5+?
      • 1...Ke6
        • 2.Kg7
          • threat
            • 3.Qd5#
      • 1...Kd4!
    • 1.Qh7?
      • threat
        • 2.Qe4+
          • 2...Kxf6
            • 3.Be7#
      • 1...Kd4
        • 2.Qe4+
          • 2...Kc3
            • 3.Bb4#
      • 1...Kf4
        • 2.Qe4+
          • 2...Kg5
            • 3.Sh7#
      • 1...Ke6
        • 2.Qe4+
          • 2...Kxf6
            • 3.Be7#
      • 1...Kxf6!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qe4+
          • 2...Kxf6
            • 3.Be7#
      • 1...Kd4
        • 2.Qe4+
          • 2...Kc3
            • 3.Bb4#
      • 1...Kf4
        • 2.Qe4+
          • 2...Kg5
            • 3.Sh7#
      • 1...Ke6
        • 2.Qe4+
          • 2...Kxf6
            • 3.Be7#

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).