Problem Display
PID: 213389 (7K/2pP1k2/2P5/3P3P/3N4/8/2B5/8 w - - 0 1)

Anonymous

Detroit Free Press, 1859

7K/2pP1k2/2P5/3P3P/3N4/8/2B5/8

#3

7 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kf8
      • 2.d8Q+
        • 2...Kf7
          • 3.Bg6#
  • Tries
    • 1.Sf3?
      • 1...Kf6
        • 2.d8Q+
          • 2...Kf7
            • 3.Se5#
            • 3.Sg5#
            • 3.Bg6#
      • 1...Kf8
        • 2.d8Q+
          • 2...Kf7
            • 3.Se5#
            • 3.Sg5#
            • 3.Bg6#
      • 1...Ke7!
    • 1.Sb5?
      • 1...Kf6
        • 2.d8Q+
          • 2...Ke5
            • 3.Qg5#
          • 2...Kf7
            • 3.Bg6#
      • 1...Kf8
        • 2.d8Q+
          • 2...Kf7
            • 3.Bg6#
      • 1...Ke7!
    • 1.Sf5?
      • 1...Kf8
        • 2.d8Q+
          • 2...Kf7
            • 3.Sh6#
            • 3.Qe7#
      • 1...Kf6!
    • 1.Se6?
      • threat
        • 2.d8B
          • 2...Ke8
            • 3.Bg6#
      • 1...Ke7
        • 2.d8Q+
          • 2...Kf7
            • 3.Sg5#
            • 3.Bg6#
            • 3.Qf8#
      • 1...Kf6!
    • 1.d6?
      • threat
        • 2.d8Q
          • 2...cxd6
            • 3.Bg6#
      • 1...Kf8
        • 2.Bb3
          • 2...cxd6
            • 3.d8Q#
        • 2.Bg6
          • 2...cxd6
            • 3.d8Q#
        • 2.d8Q+
          • 2...Kf7
            • 3.Bb3#
            • 3.Bg6#
            • 3.Qe7#
      • 1...cxd6
        • 2.d8Q
          • 2...d5
            • 3.Bg6#
      • 1...Kf6!
  • Keys
    • 1.d8B!
      • threat
        • 2.Se6
          • 2...Ke8
            • 3.Bg6#
        • 2.Bg6+
          • 2...Kf8
            • 3.Se6#
      • 1...Ke8
        • 2.Se6
          • 2...Kf7
            • 3.Bg6#
      • 1...Kf8
        • 2.Se6+
          • 2...Kf7
            • 3.Bg6#
          • 2...Ke8
            • 3.Bg6#

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).