Problem Display
PID: 27599 (1n4n1/2P5/2pNNpP1/3k4/5P2/3P2KB/8/8 w - - 0 1)

Borodatov, Leonid

Deutsche Schachzeitung, 1987

1n4n1/2P5/2pNNpP1/3k4/5P2/3P2KB/8/8

#3

8 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kxd6
      • 2.cxb8Q+
        • 2...Kd5
          • 3.Qd8#
        • 2...Kd7
          • 3.Qd8#
        • 2...Ke7
          • 3.Qd8#
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6+
          • 2...Kd6
            • 3.c8S#
        • 2.f5
          • threat
            • 3.Bg2#
        • 2.cxb8Q
          • threat
            • 3.Se3#
            • 3.Sb6#
            • 3.Qd6#
            • 3.Qd8#
        • 2.c8Q
          • threat
            • 3.Bg2#
          • 2...Sd7
            • 3.Qxd7#
      • 1...c5
        • 2.c8Q
          • threat
            • 3.Bg2#
            • 3.Qxc5#
          • 2...Sd7
            • 3.Qb7#
            • 3.Qxd7#
            • 3.Qa8#
      • 1...f5
        • 2.cxb8Q
          • threat
            • 3.Qe5#
            • 3.Qd6#
          • 2...Kxe6
            • 3.Qd6#
      • 1...Sa6
        • 2.Sb6+
          • 2...Kd6
            • 3.c8S#
      • 1...Sd7
        • 2.Se3+
          • 2...Kd6
            • 3.c8S#
      • 1...Sh6
        • 2.Sb6+
          • 2...Kd6
            • 3.c8S#
      • 1...Se7
        • 2.Sb6+
          • 2...Kd6
            • 3.cxb8Q#
            • 3.cxb8B#

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).