Problem Display
PID: 34270 (2k5/K1P2RN1/pp1P4/1pn5/8/2p3p1/8/4b3 w - - 0 1)

Speckmann, Werner

The Problemist Supplement, 1992

2k5/K1P2RN1/pp1P4/1pn5/8/2p3p1/8/4b3

#4

5 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Sf5!
      • threat
        • 2.Rf8+
          • 2...Kd7
            • 3.c8Q#
      • 1...Se6
        • 2.Sd4
          • threat
            • 3.Sxe6
              • threat
                • 4.d7#
          • 2...Sxd4
            • 3.Kxb6
              • threat
                • 4.d7#
          • 2...Sxc7
            • 3.d7+
              • 3...Kd8
                • 4.Sc6#
          • 2...Sf4
            • 3.Rf8+
              • 3...Kd7
                • 4.Rd8#
          • 2...Sc5
            • 3.Rf8+
              • 3...Kd7
                • 4.Rd8#
          • 2...Sg5
            • 3.Rf8+
              • 3...Kd7
                • 4.Rd8#
          • 2...Sg7
            • 3.Kxb6
              • threat
                • 4.d7#
          • 2...Sd8
            • 3.Rf8
              • threat
                • 4.Rxd8#
                • 4.cxd8Q#
                • 4.cxd8R#
              • 3...Kd7
                • 4.Rxd8#
                • 4.cxd8Q#
                • 4.cxd8R#
          • 2...Sf8
            • 3.Rxf8+
              • 3...Kd7
                • 4.Rd8#

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).