Problem Display
PID: 240943 (Q4R2/1Rp1p2N/2r1p1PB/1Pp1kp2/2K2Np1/2bP2p1/6Pr/8 w - - 0 1)

Hawkins, Xenophon

Detroit Free Press, 1876

(First published on Sun Jan 23 1876)

Q4R2/1Rp1p2N/2r1p1PB/1Pp1kp2/2K2Np1/2bP2p1/6Pr/8

#3

11 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qxa1+
        • 2...Kd6
          • 3.Rd8#
  • Tries
    • 1.Se2?
      • threat
        • 2.Bf4#
      • 1...Kd6
        • 2.Rd8+
          • 2...Ke5
            • 3.Bf4#
            • 3.Bg7#
        • 2.Qd8+
          • 2...Ke5
            • 3.Bf4#
            • 3.Bg7#
      • 1...Bd2
        • 2.Bg7+
          • 2...Kd6
            • 3.Rd8#
            • 3.Qd8#
        • 2.Qa1+
          • 2...Kd6
            • 3.Rd8#
          • 2...Bc3
            • 3.Bf4#
      • 1...Rxh6!
    • 1.Sh5?
      • threat
        • 2.Bf4#
      • 1...Kd6
        • 2.Rd8+
          • 2...Ke5
            • 3.Bf4#
            • 3.Bg7#
        • 2.Qd8+
          • 2...Ke5
            • 3.Bf4#
            • 3.Bg7#
      • 1...Bd2
        • 2.Bg7+
          • 2...Kd6
            • 3.Rd8#
            • 3.Qd8#
        • 2.Qa1+
          • 2...Kd6
            • 3.Rd8#
          • 2...Bc3
            • 3.Bf4#
      • 1...Rxh5!
    • 1.Bg7+?
      • 1...Kd6
        • 2.Rd8#
        • 2.Qd8#
      • 1...Kxf4!
    • 1.bxc6?
      • threat
        • 2.Qc8
          • threat
            • 3.Qxe6#
            • 3.Qxc7#
          • 2...Kd6
            • 3.Qxe6#
            • 3.Qxc7#
      • 1...Kd6
        • 2.Qc8
          • threat
            • 3.Qxe6#
            • 3.Qxc7#
          • 2...Ke5
            • 3.Qxe6#
            • 3.Qxc7#
          • 2...Kxc6
            • 3.Qxc7#
        • 2.Qd8+
          • 2...Ke5
            • 3.Qxc7#
          • 2...Kxc6
            • 3.Qxc7#
      • 1...Ba5
        • 2.Qxa5
          • threat
            • 3.Qxc7#
            • 3.Qxc5#
          • 2...Kd6
            • 3.Qxc7#
            • 3.Qxc5#
      • 1...Rxh6!
    • 1.g7?
      • threat
        • 2.Sg6+
          • 2...Kd6
            • 3.Rd8#
            • 3.Qd8#
      • 1...Kd6
        • 2.Rd8+
          • 2...Ke5
            • 3.Sg6#
        • 2.Qd8+
          • 2...Ke5
            • 3.Sg6#
      • 1...Rxh6!
  • Keys
    • 1.Rb6!
      • threat
        • 2.Qxc6
          • threat
            • 3.Qxc5#
            • 3.Qxe6#
            • 3.Qxc7#
      • 1...Kd6
        • 2.Rxc6+
          • 2...Ke5
            • 3.Rxe6#
          • 2...Kd7
            • 3.Rd8#
            • 3.Qc8#
            • 3.Qd8#
            • 3.Qe8#
        • 2.Qxc6+
          • 2...Ke5
            • 3.Qxc5#
            • 3.Qxe6#
            • 3.Qxc7#
      • 1...Rxh6
        • 2.Qxc6
          • threat
            • 3.Qxc7#
          • 2...Kxf4
            • 3.Qe4#
          • 2...cxb6
            • 3.Qc7#
      • 1...Rxb6
        • 2.Bg7+
          • 2...Kxf4
            • 3.Qe4#
          • 2...Kd6
            • 3.Rd8#
            • 3.Qd8#
        • 2.Rxf5+
          • 2...Kxf5
            • 3.Qe4#
          • 2...Kd6
            • 3.Qd8#
          • 2...exf5
            • 3.Qd5#
      • 1...cxb6
        • 2.Qxc6
          • threat
            • 3.Qxe6#
            • 3.Qc7#
      • 1...Rd6
        • 2.Bg7+
          • 2...Kxf4
            • 3.Qe4#
        • 2.Qe4+
          • 2...fxe4
            • 3.Bg7#
      • 1...Bb4
        • 2.Qxc6
          • threat
            • 3.Qxe6#
            • 3.Qxc7#
      • 1...Bd4
        • 2.Qxc6
          • threat
            • 3.Qxe6#
            • 3.Qxc7#

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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).