Problem Display
PID: 86016 (b5rr/1kPPP3/2N1K3/1P4PP/2N5/8/8/8 w - - 0 1)

Speckmann, Werner

Shakhmaty v SSSR, 1968

b5rr/1kPPP3/2N1K3/1P4PP/2N5/8/8/8

#4

9 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.d8B!
      • threat
        • 2.c8Q+
          • 2...Kxc8
            • 3.Sd6#
        • 2.c8B+
          • 2...Kxc8
            • 3.Sd6#
      • 1...Rg6+
        • 2.hxg6
          • threat
            • 3.c8Q+
              • 3...Kxc8
                • 4.Sd6#
            • 3.c8B+
              • 3...Kxc8
                • 4.Sd6#
            • 3.Kd7
              • threat
                • 4.c8Q#
                • 4.c8B#
              • 3...Rxd8+
                • 4.cxd8S#
                • 4.exd8S#
          • 2...Rxd8
            • 3.cxd8B
              • 3...Kc8
                • 4.Sd6#
            • 3.exd8B
              • 3...Kc8
                • 4.Sd6#
      • 1...Rh6+
        • 2.gxh6
          • threat
            • 3.c8Q+
              • 3...Kxc8
                • 4.Sd6#
            • 3.c8B+
              • 3...Kxc8
                • 4.Sd6#
            • 3.Kd7
              • threat
                • 4.c8Q#
                • 4.c8B#
              • 3...Rxd8+
                • 4.cxd8S#
                • 4.exd8S#
          • 2...Rg6+
            • 3.hxg6
              • 3...Kc8
                • 4.Sd6#
          • 2...Rxd8
            • 3.cxd8B
              • 3...Kc8
                • 4.Sd6#
            • 3.exd8B
              • 3...Kc8
                • 4.Sd6#
      • 1...Rxd8
        • 2.cxd8B
          • threat
            • 3.Sd6#
          • 2...Rh6+
            • 3.gxh6
              • 3...Kc8
                • 4.Sd6#
          • 2...Rxd8
            • 3.exd8B
              • 3...Kc8
                • 4.Sd6#

FEATURES


NOT CLASSIFIED


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).