Problem Display
PID: 91678 (8/5p1n/6Pk/5Q2/6K1/8/8/8 w - - 0 1)

Hultberg, Gustav Herbert

Probleemblad, 1963

8/5p1n/6Pk/5Q2/6K1/8/8/8

#3

3 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kg7
      • 2.Qxf7+
        • 2...Kh6
          • 3.Qxh7#
        • 2...Kh8
          • 3.Qxh7#
          • 3.g7#
    • 1...Sf6+
      • 2.Qxf6
        • 2...fxg6
          • 3.Qh8#
  • Keys
    • 1.Qxf7!
      • threat
        • 2.Qxh7#
      • 1...Sf6+
        • 2.Kh4
          • 2...Se4
            • 3.Qh7#
          • 2...Sg4
            • 3.Qh7#
          • 2...Sd5
            • 3.Qh7#
          • 2...Sh5
            • 3.Qh7#
          • 2...Sd7
            • 3.Qh7#
          • 2...Sh7
            • 3.Qxh7#
          • 2...Se8
            • 3.Qh7#
          • 2...Sg8
            • 3.Qh7#
      • 1...Sg5
        • 2.Qg8
          • 2...Sf3
            • 3.Qh7#
          • 2...Sh3
            • 3.Qh7#
          • 2...Se4
            • 3.Qh7#
          • 2...Se6
            • 3.Qh7#
          • 2...Sf7
            • 3.Qh7#
          • 2...Sh7
            • 3.Qxh7#
      • 1...Sf8
        • 2.g7
          • threat
            • 3.gxf8Q#
            • 3.gxf8B#
            • 3.g8S#
          • 2...Kh7
            • 3.gxf8Q#

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).