Problem Display
PID: 8701 (3N2r1/4p2r/4R3/6k1/4KN1p/7P/8/8 w - - 0 1)

Ling, John Francis

The Observer, 1960

3N2r1/4p2r/4R3/6k1/4KN1p/7P/8/8

#3

5 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Rh5
      • 2.Sf7#
    • 1...Rh6
      • 2.Sf7#
    • 1...Rf7
      • 2.Sxf7#
    • 1...Rhg7
      • 2.Re5+
        • 2...Kf6
          • 3.Rf5#
        • 2...Kh6
          • 3.Rh5#
    • 1...Rhh8
      • 2.Sf7#
    • 1...Rg6
      • 2.Rxg6#
    • 1...Rgg7
      • 2.Sf7+
        • 2...Rxf7
          • 3.Rg6#
      • 2.Re5+
        • 2...Kf6
          • 3.Rf5#
        • 2...Kh6
          • 3.Rh5#
    • 1...Rxd8
      • 2.Rg6#
    • 1...Re8
      • 2.Rg6#
    • 1...Rf8
      • 2.Rg6#
    • 1...Rgh8
      • 2.Rg6#
  • Keys
    • 1.Ke5!
      • 1...Rhg7
        • 2.Rg6+
          • 2...Rxg6
            • 3.Sf7#
      • 1...Rgg7
        • 2.Sf7+
          • 2...Rxf7
            • 3.Rg6#

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).