Problem Display
PID: 192087 (1n1n4/2P1PPK1/b3kP2/1p1p4/3P4/8/8/8 w - - 0 1)

Marble, Murray

Pittsburgh Gazette-Times, 1916

1n1n4/2P1PPK1/b3kP2/1p1p4/3P4/8/8/8

#3

6 + 6


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.e8Q+?
      • 1...Kd6
        • 2.cxb8Q#
        • 2.cxb8B#
      • 1...Kf5!
    • 1.f8S+?
      • 1...Kd6
        • 2.cxb8Q+
          • 2...Kc6
            • 3.exd8S#
            • 3.e8Q#
            • 3.e8B#
      • 1...Kf5!
  • Keys
    • 1.Kg6!
      • threat
        • 2.cxb8Q
          • threat
            • 3.e8Q#
            • 3.f8S#
          • 2...Kd7
            • 3.e8Q#
        • 2.exd8Q
          • threat
            • 3.Qe7#
            • 3.f8S#
        • 2.e8Q+
          • 2...Kd6
            • 3.cxb8Q#
            • 3.cxb8B#
      • 1...Kd6
        • 2.cxb8Q+
          • 2...Kc6
            • 3.e8Q#
            • 3.e8B#
          • 2...Ke6
            • 3.e8Q#
            • 3.f8S#
          • 2...Kd7
            • 3.e8Q#
      • 1...Kd7
        • 2.cxb8Q
          • threat
            • 3.e8Q#
          • 2...Kc6
            • 3.e8Q#
            • 3.e8B#
          • 2...Ke6
            • 3.e8Q#
            • 3.f8S#
      • 1...Sxf7
        • 2.e8Q+
          • 2...Kd6
            • 3.cxb8Q#
            • 3.cxb8B#
      • 1...Bc8
        • 2.cxb8Q
          • threat
            • 3.e8Q#
            • 3.f8S#
          • 2...Kd7
            • 3.e8Q#
        • 2.cxb8B
          • threat
            • 3.e8Q#
            • 3.f8S#
          • 2...Kd7
            • 3.e8Q#
        • 2.exd8Q
          • threat
            • 3.Qe7#
            • 3.f8S#
        • 2.e8Q+
          • 2...Kd6
            • 3.cxb8Q#
            • 3.cxb8B#
      • 1...Sbc6
        • 2.f8S+
          • 2...Kd6
            • 3.e8S#
      • 1...Sd7
        • 2.cxd8S+
          • 2...Kd6
            • 3.e8S#
      • 1...Sdc6
        • 2.f8S+
          • 2...Kd6
            • 3.e8S#
      • 1...b4
        • 2.e8Q+
          • 2...Kd6
            • 3.cxb8Q#
            • 3.cxb8B#

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).