Problem Display
PID: 265661 (b7/B3p2q/N2PPPp1/1PN3Qp/P2kPPnp/1K3R2/1bP3n1/3r4 w - - 0 1)

Grevatt, James G

The Problemist, 1996

b7/B3p2q/N2PPPp1/1PN3Qp/P2kPPnp/1K3R2/1bP3n1/3r4

#5

14 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Rh3!
      • threat
        • 2.Sd3+
          • 2...Kxe4
            • 3.Sf2+
              • 3...Sxf2
                • 4.Sc5+
                  • 4...Kd4
                    • 5.Qe5#
      • 1...exd6
        • 2.Sb7+
          • 2...Kxe4
            • 3.Sxd6+
              • 3...Rxd6
                • 4.Sc5+
                  • 4...Kd4
                    • 5.Rd3#
      • 1...exf6
        • 2.Sd7+
          • 2...Kxe4
            • 3.Sxf6+
              • 3...Bxf6
                • 4.Sc5+
                  • 4...Kd4
                    • 5.c3#
              • 3...Sxf6
                • 4.Sc5+
                  • 4...Kd4
                    • 5.Qe5#
      • 1...Rd2
        • 2.Sd3+
          • 2...Kxe4
            • 3.Sf2+
              • 3...Rxf2
                • 4.Sc5+
                  • 4...Kd4
                    • 5.Rd3#
              • 3...Sxf2
                • 4.Sc5+
                  • 4...Kd4
                    • 5.Qe5#
      • 1...Bc3
        • 2.Sd3+
          • 2...Kxe4
            • 3.Sf2+
              • 3...Sxf2
                • 4.Sc5+
                  • 4...Kd4
                    • 5.Qe5#
            • 3.Kxc3
              • threat
                • 4.Sdc5#
                • 4.Sac5#
              • 3...exd6
                • 4.Sdc5+
                  • 4...dxc5
                    • 5.Sxc5#
                • 4.Sac5+
                  • 4...dxc5
                    • 5.Sxc5#
        • 2.Sb7+
          • 2...Kxe4
            • 3.Kxc3
              • threat
                • 4.Sac5#
                • 4.Sbc5#
              • 3...exd6
                • 4.Sac5+
                  • 4...dxc5
                    • 5.Sxc5#
                • 4.Sbc5+
                  • 4...dxc5
                    • 5.Sxc5#
                • 4.Sxd6+
                  • 4...Rxd6
                    • 5.Sc5#
              • 3...Rd5
                • 4.Sac5+
                  • 4...Rxc5+
                    • 5.Sxc5#
                • 4.Sbc5+
                  • 4...Rxc5+
                    • 5.Sxc5#
        • 2.Sd7+
          • 2...Kxe4
            • 3.Kxc3
              • threat
                • 4.Sac5#
                • 4.Sdc5#
              • 3...exd6
                • 4.Sac5+
                  • 4...dxc5
                    • 5.Sxc5#
                • 4.Sdc5+
                  • 4...dxc5
                    • 5.Sxc5#
              • 3...Rd5
                • 4.Sac5+
                  • 4...Rxc5+
                    • 5.Sxc5#
                • 4.Sdc5+
                  • 4...Rxc5+
                    • 5.Sxc5#

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).