Problem Display
PID: 44189 (8/8/4kp2/3N2b1/2NQP3/3K4/8/8 w - - 0 1)

McArthur, Sgt Maj William

The Westminster Papers, 1874

8/8/4kp2/3N2b1/2NQP3/3K4/8/8

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qe7#
      • 1...f5
        • 2.Qg7
          • threat
            • 3.Sc7#
          • 2...fxe4+
            • 3.Kxe4
              • threat
                • 4.Sc7#
              • 3...Be7
                • 4.Qxe7#
              • 3...Bf4
                • 4.Sxf4#
                • 4.Qe7#
              • 3...Bd8
                • 4.Sf4#
        • 2.Qh7
          • threat
            • 3.Qxf5#
          • 2...fxe4+
            • 3.Kxe4
              • threat
                • 4.Qf5#
              • 3...Bf6
                • 4.Sf4#
                • 4.Sc7#

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).