Problem Display
PID: 8881 (8/8/p7/Rb1p1P2/1P1kp1P1/3P2Q1/2R1p3/4K3 w - - 0 1)

Beal, Edward W

The Observer, 1964

8/8/p7/Rb1p1P2/1P1kp1P1/3P2Q1/2R1p3/4K3

#3

8 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...exd3
      • 2.Qf4#
  • Tries
    • 1.Rxb5?
      • 1...axb5
        • 2.Qf4
          • 2...Kxd3
            • 3.Qd2#
      • 1...e3
        • 2.Kxe2
          • threat
            • 3.Qf4#
            • 3.Qxe3#
      • 1...a5!
  • Keys
    • 1.Kxe2!
      • 1...Bxd3+
        • 2.Kd2
          • 2...e3+
            • 3.Qxe3#
          • 2...Bxc2
            • 3.Qc3#
          • 2...Bf1
            • 3.Qc3#
          • 2...Be2
            • 3.Qc3#
          • 2...Bc4
            • 3.Qc3#
          • 2...Bb5
            • 3.Qc3#
      • 1...exd3+
        • 2.Kd2
          • threat
            • 3.Qf4#
            • 3.Qe3#
          • 2...Ke4
            • 3.Qe3#
      • 1...Ba4
        • 2.Rc4+
          • 2...dxc4
            • 3.Qe5#
      • 1...Bc4
        • 2.Rxc4+
          • 2...dxc4
            • 3.Qe5#
        • 2.dxc4
          • threat
            • 3.Rxd5#
            • 3.Qc3#
          • 2...e3
            • 3.Qf4#
            • 3.Qxe3#
      • 1...Bc6
        • 2.Rc4+
          • 2...dxc4
            • 3.Qe5#
      • 1...Bd7
        • 2.Rc4+
          • 2...dxc4
            • 3.Qe5#
      • 1...Be8
        • 2.Rc4+
          • 2...dxc4
            • 3.Qe5#

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).