Problem Display
PID: 224834 (8/6K1/8/4p3/4Q1pk/8/7P/8 w - - 0 1)

Cook, Eugene Beauharnais

American Chess Nuts, 1868

8/6K1/8/4p3/4Q1pk/8/7P/8

#3

3 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kh5
      • 2.Qg6+
        • 2...Kh4
          • 3.Qh6#
  • Tries
    • 1.Kf6?
      • threat
        • 2.Qh7#
      • 1...Kh5
        • 2.Qh7#
      • 1...Kh3!
    • 1.Qe3?
      • threat
        • 2.Qh6#
      • 1...Kh5
        • 2.Qh6#
      • 1...g3!
    • 1.Qf4?
      • threat
        • 2.Qh6#
      • 1...Kh3
        • 2.Qg3#
      • 1...Kh5
        • 2.Qh6#
      • 1...exf4!
    • 1.Qxe5?
      • threat
        • 2.Kg6
          • threat
            • 3.Qg3#
            • 3.Qh8#
            • 3.Qh5#
          • 2...Kh3
            • 3.Qg3#
        • 2.Kh6
          • threat
            • 3.Qg3#
            • 3.Qh5#
          • 2...Kh3
            • 3.Qg3#
        • 2.Qf4
          • threat
            • 3.Qh6#
          • 2...Kh3
            • 3.Qg3#
          • 2...Kh5
            • 3.Qh6#
      • 1...Kh3
        • 2.Qg3#
      • 1...g3!
  • Keys
    • 1.Qf5!
      • 1...Kh3
        • 2.Qf2
          • threat
            • 3.Qg3#
          • 2...g3
            • 3.Qxg3#
      • 1...g3
        • 2.h3
          • threat
            • 3.Qg4#
      • 1...e4
        • 2.Qf4
          • threat
            • 3.Qh6#
          • 2...Kh3
            • 3.Qg3#
          • 2...Kh5
            • 3.Qh6#

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).