Problem Display
PID: 111204 (8/7p/4bk1P/4RN2/Q4N2/3P4/8/4K3 w - - 0 1)

Anonymous

Australasian (The), 1881

8/7p/4bk1P/4RN2/Q4N2/3P4/8/4K3

#3

7 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kf7
      • 2.Rxe6
        • threat
          • 3.Qe8#
        • 2...Kf8
          • 3.Qe8#
        • 2...Kg8
          • 3.Qe8#
  • Tries
    • 1.Rxe6+?
      • 1...Kg5
        • 2.Sh3+
          • 2...Kxf5
            • 3.Qe4#
          • 2...Kh5
            • 3.Sg3#
            • 3.Sg7#
            • 3.Qd1#
            • 3.Qh4#
      • 1...Kxf5!
    • 1.Qc6?
      • 1...Kg5
        • 2.Qg2+
          • 2...Kxf4
            • 3.Qg3#
          • 2...Kf6
            • 3.Qg7#
      • 1...Kf7
        • 2.Rxe6
          • threat
            • 3.Qe8#
          • 2...Kf8
            • 3.Qe8#
          • 2...Kg8
            • 3.Qe8#
        • 2.Qxe6+
          • 2...Kf8
            • 3.Qe8#
      • 1...Kxe5!
  • Keys
    • 1.Qe8!
      • 1...Kxe5
        • 2.Sd5
          • 2...Kxd5
            • 3.Qb5#
          • 2...Kxf5
            • 3.Qh5#
      • 1...Kg5
        • 2.Qh5+
          • 2...Kxf4
            • 3.Re4#
          • 2...Kf6
            • 3.Rxe6#

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).