Problem Display
PID: 49219 (1Q3NK1/8/4p3/3p1pBk/bbnp3P/qrp4P/1pP5/8 w - - 0 1)

Lepuschutz, Dr Hans

Schach-Express, 1949

1Q3NK1/8/4p3/3p1pBk/bbnp3P/qrp4P/1pP5/8

#4

7 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qe2#
      • 1...Bxf8
        • 2.Qe2+
          • 2...Kg6
            • 3.Qxe6+
              • 3...Kh5
                • 4.Qf7#
      • 1...Se3
        • 2.Qe5
          • threat
            • 3.Qh8#
          • 2...Bxf8
            • 3.Qh8+
              • 3...Kg6
                • 4.Qh7#
              • 3...Bh6
                • 4.Qxh6#
          • 2...Sg4
            • 3.Qh8+
              • 3...Sh6+
                • 4.Qxh6#
      • 1...Se5
        • 2.Sxe6
          • threat
            • 3.Sf4#
          • 2...Sd3
            • 3.Qe2+
              • 3...Kg6
                • 4.h5#
            • 3.Kh7
              • threat
                • 4.Sg7#
                • 4.Qe2#
        • 2.Qxe5
          • threat
            • 3.Qh8#
            • 3.Qe2#
          • 2...Bxf8
            • 3.Qh8+
              • 3...Kg6
                • 4.Qh7#
              • 3...Bh6
                • 4.Qxh6#
      • 1...d3
        • 2.Qe5
          • threat
            • 3.Qh8#
          • 2...Bxf8
            • 3.Qh8+
              • 3...Kg6
                • 4.Qh7#
              • 3...Bh6
                • 4.Qxh6#
          • 2...Sxe5
            • 3.Sxe6
              • threat
                • 4.Sf4#
              • 3...Kg6
                • 4.Sf4#
              • 3...Sg6
                • 4.Sg7#
              • 3...f4
                • 4.Sxf4#

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).