Problem Display
PID: 159045 (8/1b5p/1Q2p3/4p2P/1P2k1p1/1Pp1B1K1/2P5/8 w - - 0 1)

Dubbe, Friedrich

Ostereich. Lesehale, 1884

8/1b5p/1Q2p3/4p2P/1P2k1p1/1Pp1B1K1/2P5/8

#3

7 + 7


14986 White-Hume Collection 2016

SOLUTION


  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxb7+
        • 2...Kd6
          • 3.Bc5#
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qd3#
      • 1...Kf5
        • 2.Bf4
          • threat
            • 3.Qxe5#
          • 2...exf4+
            • 3.Qxf4#
          • 2...Ke4
            • 3.Qxe5#
            • 3.Qd3#
          • 2...Kf6
            • 3.Qf8#
          • 2...e4
            • 3.Qe5#
            • 3.Qf8#
      • 1...Bd5
        • 2.Bf4
          • threat
            • 3.Qxe5#
          • 2...exf4+
            • 3.Qxf4#
          • 2...Kd4
            • 3.Qxe5#
          • 2...Kf5
            • 3.Qxe5#
      • 1...Ba6
        • 2.Bd4
          • threat
            • 3.Qxe5#
          • 2...Kf5
            • 3.Qxe5#
          • 2...exd4
            • 3.Qxe6#

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).