Problem Display
PID: 253907 (rnQ1Bb2/p3k1p1/4p3/P1p3P1/2P4p/1KPp4/3N1n1B/8 w - - 0 1)

Hufner, Alfred

Schach, 1955

rnQ1Bb2/p3k1p1/4p3/P1p3P1/2P4p/1KPp4/3N1n1B/8

#3

9 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Sa6
      • 2.Qd7#
    • 1...Sc6
      • 2.Qd7#
    • 1...Sd7
      • 2.Qxd7#
  • Tries
    • 1.Bc7?
      • threat
        • 2.Qd8#
      • 1...Sa6
        • 2.Qd7#
      • 1...Sc6
        • 2.Qd7#
      • 1...Sd7
        • 2.Qxd7#
      • 1...e5!
    • 1.Ba4?
      • threat
        • 2.Qe8#
      • 1...e5
        • 2.Qe8+
          • 2...Kd6
            • 3.Bxe5#
            • 3.Qxe5#
      • 1...Sc6
        • 2.Qc7+
          • 2...Ke8
            • 3.Bxc6#
      • 1...Kf7!
    • 1.Bb5?
      • threat
        • 2.Qe8#
      • 1...e5
        • 2.Qe8+
          • 2...Kd6
            • 3.Bxe5#
            • 3.Qxe5#
      • 1...Sc6
        • 2.Qc7+
          • 2...Ke8
            • 3.Bxc6#
      • 1...Kf7!
    • 1.Qc7+?
      • 1...Sd7
        • 2.Qxd7#
      • 1...Kxe8!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Bxf2
          • threat
            • 3.Bxc5#
          • 2...Kd6
            • 3.Qxc5#
          • 2...Sa6
            • 3.Qd7#
          • 2...Sd7
            • 3.Qxd7#
      • 1...Kd6
        • 2.Qxc5+
          • 2...Kxc5
            • 3.Se4#
      • 1...Se4
        • 2.Sxe4
          • threat
            • 3.Bxc5#
          • 2...Sa6
            • 3.Qd7#
          • 2...Sd7
            • 3.Qxd7#
      • 1...e5
        • 2.Bxf2
          • threat
            • 3.Bxc5#
          • 2...Kd6
            • 3.Bxc5#
          • 2...Sd7
            • 3.Qxd7#
          • 2...Sa6
            • 3.Qd7#
      • 1...a6
        • 2.Bxf2
          • threat
            • 3.Bxc5#
          • 2...Kd6
            • 3.Qxc5#
          • 2...Sd7
            • 3.Qxd7#

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).