Problem Display
PID: 203026 (k2N4/PR1p4/p1PP4/p2p4/P2P4/4p1p1/3pP1Pp/3K1n1N w - - 0 1)

Borodatov, Leonid

The Problemist, 1983

k2N4/PR1p4/p1PP4/p2p4/P2P4/4p1p1/3pP1Pp/3K1n1N

#3

11 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...dxc6
      • 2.Rb8+
        • 2...Kxa7
          • 3.Sxc6#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sc7#
      • 1...dxe6
        • 2.d7
          • 2...e5
            • 3.d8Q#
            • 3.d8R#
      • 1...dxc6!
    • 1.Rb1?
      • 1...dxc6
        • 2.Rb8+
          • 2...Kxa7
            • 3.Sxc6#
      • 1...Kxa7!
    • 1.Rb2?
      • 1...dxc6
        • 2.Rb8+
          • 2...Kxa7
            • 3.Sxc6#
      • 1...Kxa7!
    • 1.Rb3?
      • 1...dxc6
        • 2.Rb8+
          • 2...Kxa7
            • 3.Sxc6#
      • 1...Kxa7!
  • Keys
    • 1.Rb6!
      • 1...Kxa7
        • 2.c7
          • 2...Kxb6
            • 3.c8S#
          • 2...Ka8
            • 3.Rxa6#
      • 1...dxc6
        • 2.Rb8+
          • 2...Kxa7
            • 3.Sxc6#

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).