Problem Display
PID: 265036 (4N3/1B5n/1N2b3/Kpk5/Pp1r4/2p1P3/3p4/3Q4 w - - 0 1)

Liphardt, Bodo

Die Schwalbe, 1971

4N3/1B5n/1N2b3/Kpk5/Pp1r4/2p1P3/3p4/3Q4

#3

7 + 8


SOLUTION


  • SOUND
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qxb5#
      • 1...Rd3
        • 2.Qxd3
          • threat
            • 3.Qxb5#
            • 3.Qd4#
            • 3.Qd6#
      • 1...Bc4
        • 2.Qh2
          • threat
            • 3.Qc7#
          • 2...Rf4
            • 3.Sd7#
          • 2...Rd6
            • 3.Qxd6#
          • 2...Rd7
            • 3.Sxd7#
          • 2...Bd5
            • 3.Qd6#
      • 1...Bd7
        • 2.Sxd7+
          • 2...Rxd7
            • 3.Qxb5#
      • 1...Rc4!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qxb5#
      • 1...Rd3
        • 2.Qxd3
          • threat
            • 3.Qxb5#
            • 3.Qd4#
            • 3.Qd6#
        • 2.Qf4
          • threat
            • 3.Qc7#
            • 3.Qxb4#
      • 1...Rc4
        • 2.Qf7
          • threat
            • 3.Qc7#
            • 3.Qe7#
          • 2...Bxf7
            • 3.Sd7#
      • 1...Bc4
        • 2.Qf4
          • threat
            • 3.Qc7#
            • 3.Qxd4#
            • 3.exd4#
          • 2...Rxf4
            • 3.Sd7#
          • 2...Rd6
            • 3.Qxd6#
          • 2...Rd7
            • 3.Sxd7#
      • 1...Bd7
        • 2.Sxd7+
          • 2...Rxd7
            • 3.Qxb5#

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).