Problem Display
PID: 240917 (5K2/p4Pp1/2B3Qp/r2Pk2P/1p2Np2/3p4/2rB3n/8 w - - 0 1)

Martindale, Frank W

Detroit Free Press, 1876

5K2/p4Pp1/2B3Qp/r2Pk2P/1p2Np2/3p4/2rB3n/8

#3

8 + 10


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Kxe4
        • 2.Qxf4#
      • 1...Kf5
        • 2.Qxf4#
        • 2.Qe6#
      • 1...Kd4!
    • 1.Qf6+?
      • 1...Kxe4
        • 2.Qxf4#
      • 1...gxf6!
    • 1.Qxg7+?
      • 1...Kf5
        • 2.Sd6#
      • 1...Kxe4!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qe4+
          • 2...Kd6
            • 3.Qe7#
          • 2...Kf6
            • 3.Qxf4#
      • 1...Kd4
        • 2.Qe4+
          • 2...Kxc5
            • 3.Qxb4#
      • 1...Rcxc5
        • 2.Qd6+
          • 2...Kd4
            • 3.Qxf4#
          • 2...Ke4
            • 3.Qxf4#
          • 2...Kf5
            • 3.Qxf4#
          • 2...Kxd6
            • 3.Bxf4#
      • 1...Raxc5
        • 2.Qd6+
          • 2...Kd4
            • 3.Qxf4#
          • 2...Ke4
            • 3.Qxf4#
          • 2...Kf5
            • 3.Qxf4#
          • 2...Kxd6
            • 3.Bxf4#
      • 1...Rc4
        • 2.Qe6+
          • 2...Kd4
            • 3.Sb3#
      • 1...f3
        • 2.Be3
          • threat
            • 3.Sxd3#
            • 3.Sd7#
            • 3.Qe6#
        • 2.Qe4+
          • 2...Kd6
            • 3.Qe7#
          • 2...Kf6
            • 3.Sd7#
            • 3.Qf4#
            • 3.Qe6#

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).