Problem Display
PID: 34258 (8/4p2p/4P1p1/5PPk/5Pp1/6Kp/5P1Q/8 w - - 0 1)

Borodatov, Leonid

The Problemist, 1984

8/4p2p/4P1p1/5PPk/5Pp1/6Kp/5P1Q/8

#4

7 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Qh1!
      • 1...gxf5
        • 2.Qa8
          • threat
            • 3.Qe8#
          • 2...Kg6
            • 3.Qg8+
              • 3...Kh5
                • 4.Qf7#
                • 4.Qxh7#
                • 4.Qe8#
            • 3.Qf8
              • threat
                • 4.Qh6#
                • 4.Qf7#
              • 3...Kh5
                • 4.Qh6#
                • 4.Qf7#
                • 4.Qe8#
      • 1...h6
        • 2.Qa1
          • threat
            • 3.Qg7
              • threat
                • 4.Qxh6#
                • 4.Qxg6#
            • 3.Qh8
              • threat
                • 4.Qxh6#
          • 2...gxf5
            • 3.Qg7
              • threat
                • 4.Qxh6#
                • 4.Qf7#
              • 3...hxg5
                • 4.Qxg5#
                • 4.Qh7#
            • 3.Qh8
              • threat
                • 4.Qxh6#
                • 4.Qe8#
              • 3...Kg6
                • 4.Qxh6#
          • 2...h2
            • 3.Qa8
              • 3...h1S+
                • 4.Qxh1#
              • 3...gxf5
                • 4.Qe8#
              • 3...hxg5
                • 4.Qh8#
              • 3...h1Q
                • 4.Qxh1#
              • 3...h1B
                • 4.Qxh1#
              • 3...h1R
                • 4.Qxh1#

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).