Problem Display
PID: 117495 (6Nn/4B1pn/4kP1P/1P1p4/5P2/2Q5/3K2N1/8 w - - 0 1)

Mackenzie, Arthur Ford

Ottawa Citizen, 1886

6Nn/4B1pn/4kP1P/1P1p4/5P2/2Q5/3K2N1/8

#3

9 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kd7
      • 2.Qc6#
    • 1...Sf7
      • 2.Qh3#
      • 2.Qc8#
  • Tries
    • 1.fxg7?
      • threat
        • 2.Qc8+
          • 2...Kf7
            • 3.gxh8S#
      • 1...Kf5
        • 2.Qh3+
          • 2...Ke4
            • 3.Qd3#
          • 2...Kg6
            • 3.gxh8S#
      • 1...Kf7
        • 2.gxh8S+
          • 2...Ke6
            • 3.Qh3#
            • 3.Qc8#
          • 2...Ke8
            • 3.Qc6#
            • 3.Qc8#
          • 2...Kxg8
            • 3.Qg7#
      • 1...d4
        • 2.Qc8+
          • 2...Kd5
            • 3.Qc6#
          • 2...Kf7
            • 3.gxh8S#
      • 1...Sf6
        • 2.Qxf6+
          • 2...Kd7
            • 3.Qc6#
      • 1...Sf8
        • 2.Qf6+
          • 2...Kd7
            • 3.Qc6#
        • 2.gxf8Q
          • threat
            • 3.Qh3#
            • 3.Qc6#
            • 3.Qcc8#
          • 2...Kd7
            • 3.Qc6#
            • 3.Qcc8#
            • 3.Qfc8#
        • 2.gxf8R
          • threat
            • 3.Qh3#
            • 3.Qc6#
            • 3.Qc8#
          • 2...Kd7
            • 3.Qc6#
            • 3.Qc8#
      • 1...Sg6!
  • Keys
    • 1.hxg7!
      • threat
        • 2.Qc8+
          • 2...Kf7
            • 3.gxh8S#
      • 1...Kf5
        • 2.Qh3+
          • 2...Ke4
            • 3.Qd3#
          • 2...Kg6
            • 3.gxh8S#
      • 1...Kf7
        • 2.gxh8S+
          • 2...Ke6
            • 3.Qh3#
            • 3.Qc8#
          • 2...Ke8
            • 3.Qc6#
            • 3.Qc8#
          • 2...Kxg8
            • 3.f7#
      • 1...Sxf6
        • 2.Qxf6+
          • 2...Kd7
            • 3.Qc6#
      • 1...d4
        • 2.Qc8+
          • 2...Kd5
            • 3.Qc6#
          • 2...Kf7
            • 3.gxh8S#
      • 1...Sf8
        • 2.Sh6
          • threat
            • 3.Qh3#
            • 3.Qc6#
            • 3.gxf8S#
          • 2...Kd7
            • 3.Qc6#
      • 1...Sg6
        • 2.Qc8+
          • 2...Kf7
            • 3.Sh6#

FEATURES


NOT CLASSIFIED


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).