Problem Display
PID: 50816 (1R3bbk/1Q3p1n/5PBn/4NNp1/1p4P1/8/1B6/2K5 w - - 0 1)

Knox, CM

Source?, 0000

1R3bbk/1Q3p1n/5PBn/4NNp1/1p4P1/8/1B6/2K5

#3

9 + 8


1679 American Chess Nuts 1868

SOLUTION


  • SOUND
  • Sets
    • 1...Bg7
      • 2.fxg7#
    • 1...fxg6
      • 2.Sxg6#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Sg6#
      • 1...Bxf7
        • 2.Sg6+
          • 2...Kg8
            • 3.Sxh6#
            • 3.Sfe7#
          • 2...Bxg6
            • 3.Qg7#
      • 1...Sxf6!
    • 1.Rxf8?
      • threat
        • 2.Qxf7
          • threat
            • 3.Qg7#
            • 3.Qxh7#
          • 2...Sxf7
            • 3.Sxf7#
      • 1...Sxf6
        • 2.Sxf7+
          • 2...Sxf7
            • 3.Bxf6#
      • 1...Sxf8!
  • Keys
    • 1.Qh1!
      • 1...Sxg4
        • 2.Sxf7+
          • 2...Bxf7
            • 3.Qxh7#
      • 1...Sxf5
        • 2.Sxf7+
          • 2...Bxf7
            • 3.Qxh7#
      • 1...Sxf6
        • 2.Qxh6+
          • 2...Bxh6
            • 3.Sxf7#
          • 2...Bh7
            • 3.Qg7#
          • 2...Sh7
            • 3.Sxf7#
      • 1...Bc5
        • 2.Sxf7+
          • 2...Sxf7
            • 3.Qxh7#
      • 1...Bd6
        • 2.Sxf7+
          • 2...Sxf7
            • 3.Qxh7#
      • 1...Be7
        • 2.Sxf7+
          • 2...Sxf7
            • 3.Qxh7#
      • 1...b3
        • 2.Qxh6
          • 2...Bxh6
            • 3.Sxf7#
          • 2...fxg6
            • 3.Sxg6#
          • 2...Ba3
            • 3.Sxf7#
            • 3.Qg7#
            • 3.Qxh7#
          • 2...Bb4
            • 3.Sxf7#
            • 3.Qg7#
            • 3.Qxh7#
          • 2...Bc5
            • 3.Sxf7#
            • 3.Qg7#
            • 3.Qxh7#
          • 2...Bd6
            • 3.Sxf7#
            • 3.Qg7#
            • 3.Qxh7#
          • 2...Be7
            • 3.Sxf7#
            • 3.Qg7#
            • 3.Qxh7#
          • 2...Bg7
            • 3.Sxf7#
            • 3.Qxg7#
            • 3.Qxh7#
            • 3.fxg7#

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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).