Problem Display
PID: 259766 (7n/8/8/8/1Q6/3N1pN1/5Rp1/2K3k1 w - - 0 1)

Dowd, Steven B

Schweizerische Schachzeitung, 2005

7n/8/8/8/1Q6/3N1pN1/5Rp1/2K3k1

#3

5 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Se2+?
      • 1...Kh1
        • 2.Qh4#
      • 1...Kh2
        • 2.Qh4#
      • 1...fxe2!
    • 1.Rxg2+?
      • 1...fxg2
        • 2.Se2+
          • 2...Kf1
            • 3.Qe1#
          • 2...Kh1
            • 3.Qh4#
          • 2...Kh2
            • 3.Qh4#
      • 1...Kxg2!
    • 1.Rxf3?
      • threat
        • 2.Se2+
          • 2...Kh1
            • 3.Rh3#
            • 3.Qh4#
          • 2...Kh2
            • 3.Qh4#
        • 2.Qh4
          • threat
            • 3.Se2#
      • 1...Kh2
        • 2.Qh4+
          • 2...Kg1
            • 3.Se2#
      • 1...Sg6!
    • 1.Qf4?
      • threat
        • 2.Qxf3
          • threat
            • 3.Rxg2#
            • 3.Qxg2#
          • 2...Kh2
            • 3.Qxg2#
      • 1...Kh2
        • 2.Sf1+
          • 2...Kg1
            • 3.Qh2#
          • 2...Kh1
            • 3.Qh2#
          • 2...Kh3
            • 3.Rxf3#
            • 3.Qg3#
        • 2.Se2+
          • 2...Kh1
            • 3.Qh6#
            • 3.Qh4#
          • 2...Kh3
            • 3.Sg1#
            • 3.Rxf3#
            • 3.Qg3#
      • 1...Sg6!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sg4
          • threat
            • 3.Qe1#
      • 1...Kxf2
        • 2.Qe1+
          • 2...Kxe1
            • 3.Sd3#
      • 1...Kh2
        • 2.Sxf3+
          • 2...Kxg3
            • 3.Qh4#
          • 2...Kh3
            • 3.Qh4#

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).