Problem Display
PID: 89268 (5B2/8/8/6Nk/1Q6/8/7K/8 w - - 0 1)

Vickers, AF

The Problemist, 1976

5B2/8/8/6Nk/1Q6/8/7K/8

#3

4 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Kg3?
      • 1...Kg6
        • 2.Kg4
          • 2...Kf6
            • 3.Qd6#
      • 1...Kxg5!
    • 1.Kh3?
      • 1...Kg6
        • 2.Kg4
          • 2...Kf6
            • 3.Qd6#
      • 1...Kxg5!
    • 1.Qh4+?
      • 1...Kg6
        • 2.Be7
          • threat
            • 3.Qh7#
          • 2...Kf5
            • 3.Qe4#
          • 2...Kg7
            • 3.Qh7#
      • 1...Kxh4!
  • Keys
    • 1.Be7!
      • threat
        • 2.Qe4
          • 2...Kh6
            • 3.Qh7#
      • 1...Kg6
        • 2.Qh4
          • threat
            • 3.Qh7#
          • 2...Kf5
            • 3.Qe4#
          • 2...Kg7
            • 3.Qh7#
      • 1...Kh6
        • 2.Qh4+
          • 2...Kg6
            • 3.Qh7#
          • 2...Kg7
            • 3.Qh7#

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).