Problem Display
PID: 49993 (k7/ppKp2Qn/3ppr2/5p2/8/8/4R3/8 w - - 0 1)

Hoopes, WP

Source?, 0000

k7/ppKp2Qn/3ppr2/5p2/8/8/4R3/8

#3

3 + 9


1679 American Chess Nuts 1868

SOLUTION


  • COOKED
  • Sets
    • 1...Rh6
      • 2.Qh8+
        • 2...Sf8
          • 3.Qxf8#
      • 2.Qg8+
        • 2...Sf8
          • 3.Qxf8#
    • 1...Sg5
      • 2.Qh8+
        • 2...Rf8
          • 3.Qxf8#
      • 2.Qg8+
        • 2...Rf8
          • 3.Qxf8#
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qb6
          • threat
            • 3.Qxb7#
          • 2...axb6
            • 3.Ra2#
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...Rf8
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...a5
        • 2.Qb6
          • threat
            • 3.Qxa5#
            • 3.Qxb7#
      • 1...a6
        • 2.Qb6
          • threat
            • 3.Qxb7#
      • 1...b5
        • 2.Ra2
          • threat
            • 3.Rxa7#
            • 3.Qxa7#
          • 2...a5
            • 3.Rxa5#
          • 2...a6
            • 3.Rxa6#
        • 2.Qb6
          • threat
            • 3.Qb7#
            • 3.Qb8#
          • 2...axb6
            • 3.Ra2#
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...b6
        • 2.Qxb6
          • threat
            • 3.Qb7#
            • 3.Qb8#
          • 2...axb6
            • 3.Ra2#
    • 1.Qg2!
      • threat
        • 2.Qxb7#
      • 1...d5
        • 2.Qxd5
          • threat
            • 3.Qxb7#
          • 2...exd5
            • 3.Re8#

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).