Problem Display
PID: 28787 (3K4/5k2/4NN2/3B3p/7p/7P/5n2/B7 w - - 0 1)

Dobbs, D

Chess, 1936

3K4/5k2/4NN2/3B3p/7p/7P/5n2/B7

#3

6 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...Kf8
        • 2.Sd7#
        • 2.Sh7#
      • 1...Kg7!
    • 1.Sf8+?
      • 1...Kxf8
        • 2.Sd7#
        • 2.Sh7#
      • 1...Kg7!
    • 1.Se4?
      • threat
        • 2.Sf4+
          • 2...Kf8
            • 3.Sg6#
      • 1...Kg8
        • 2.S6g5+
          • 2...Kf8
            • 3.Sh7#
      • 1...Kg6!
    • 1.Sg4?
      • threat
        • 2.Sf4+
          • 2...Kf8
            • 3.Sg6#
      • 1...Kg8
        • 2.Ke7
          • threat
            • 3.Sg5#
            • 3.Sf8#
          • 2...Kh7
            • 3.Sf8#
        • 2.Ke8
          • threat
            • 3.Sg5#
            • 3.Sf8#
          • 2...Kh7
            • 3.Sf8#
        • 2.Sg5+
          • 2...Kf8
            • 3.Sh7#
      • 1...Kg6!
    • 1.Sxh5?
      • threat
        • 2.Sef4+
          • 2...Kf8
            • 3.Sg6#
            • 3.Bg7#
        • 2.Sf8+
          • 2...Kxf8
            • 3.Bg7#
      • 1...Kg8
        • 2.Sg5+
          • 2...Kf8
            • 3.Sh7#
            • 3.Bg7#
        • 2.Sf8+
          • 2...Kxf8
            • 3.Bg7#
        • 2.Bg7
          • threat
            • 3.Sg5#
            • 3.Sf8#
          • 2...Kf7
            • 3.Sef4#
            • 3.Sf8#
          • 2...Kh7
            • 3.Sf8#
      • 1...Kg6!
    • 1.Sd7?
      • threat
        • 2.Sf4#
        • 2.Sef8#
      • 1...Kg8
        • 2.Sg5#
        • 2.Sef8#
      • 1...Kg6!
    • 1.Sh7?
      • threat
        • 2.Sf4#
        • 2.Sef8#
      • 1...Kg8
        • 2.Seg5#
        • 2.Sef8#
      • 1...Kg6!
    • 1.Se8?
      • threat
        • 2.Sf4+
          • 2...Kf8
            • 3.Sg6#
            • 3.Bg7#
        • 2.Sf8+
          • 2...Kxf8
            • 3.Bg7#
      • 1...Kg8
        • 2.Sg5+
          • 2...Kf8
            • 3.Sh7#
            • 3.Bg7#
        • 2.Sf8+
          • 2...Kxf8
            • 3.Bg7#
        • 2.Bg7
          • threat
            • 3.Sg5#
            • 3.Sf8#
          • 2...Kf7
            • 3.Sf4#
            • 3.Sf8#
          • 2...Kh7
            • 3.Sf8#
      • 1...Kg6!
  • Keys
    • 1.Sg8!
      • threat
        • 2.Sf4+
          • 2...Kf8
            • 3.Sg6#
      • 1...Kg6
        • 2.Ke8
          • 2...Kf5
            • 3.Se7#
          • 2...Kh7
            • 3.Sf8#
          • 2...Sxh3
            • 3.Be4#
          • 2...Sd1
            • 3.Be4#
          • 2...Sh1
            • 3.Be4#
          • 2...Sd3
            • 3.Be4#
          • 2...Se4
            • 3.Bxe4#
          • 2...Sg4
            • 3.Be4#
      • 1...Kxg8
        • 2.Sg5+
          • 2...Kf8
            • 3.Sh7#

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).