Problem Display
PID: 32300 (4K3/8/8/Q4R2/4pPkn/5pn1/8/4N2R w - - 0 1)

Keynes, John Neville

The Westminster Papers, 1875

4K3/8/8/Q4R2/4pPkn/5pn1/8/4N2R

#3

6 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...e3
      • 2.Rg5+
        • 2...Kxf4
          • 3.Rxh4#
          • 3.Qe5#
  • Tries
    • 1.Rh5?
      • threat
        • 2.R1xh4#
        • 2.R5xh4#
        • 2.Qg5#
      • 1...Sxh1
        • 2.Qd8
          • threat
            • 3.Qxh4#
          • 2...Kg3
            • 3.Qxh4#
          • 2...Kh3
            • 3.Qxh4#
          • 2...Kxf4
            • 3.Qg5#
          • 2...Kxh5
            • 3.Qg5#
          • 2...Sg2
            • 3.Qg5#
          • 2...Sf5
            • 3.Qg5#
          • 2...Sg6
            • 3.Qg5#
        • 2.Qg5+
          • 2...Kh3
            • 3.Rxh4#
            • 3.Qxh4#
      • 1...Shf5
        • 2.R5h4+
          • 2...Sxh4
            • 3.Qg5#
      • 1...Sgf5!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qg5#
      • 1...Kxf5
        • 2.Qg5+
          • 2...Ke6
            • 3.Qe5#
      • 1...Sxh1
        • 2.Rh5
          • threat
            • 3.Qxh4#
          • 2...Kg3
            • 3.Qxh4#
          • 2...Kh3
            • 3.Qxh4#
          • 2...Kxf4
            • 3.Qg5#
          • 2...Kxh5
            • 3.Qg5#
          • 2...Sg2
            • 3.Qg5#
          • 2...Sf5
            • 3.Qg5#
          • 2...Sg6
            • 3.Qg5#

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).