Problem Display
PID: 267470 (8/1Q6/8/5k2/4NP2/5N2/8/4K3 w - - 0 1)

Suvorov, Ivan

Zadachi i Etyudi, 2013

8/1Q6/8/5k2/4NP2/5N2/8/4K3

#3

5 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sd4#
  • Tries
    • 1.Se5?
      • 1...Ke6
        • 2.Qd7#
        • 2.Qf7#
      • 1...Kxf4!
    • 1.Qf7+?
      • 1...Kg4
        • 2.Kf2
          • 2...Kh3
            • 3.Qh5#
            • 3.Qe6#
            • 3.Qf5#
            • 3.Qd7#
      • 1...Kxe4!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qf7#
      • 1...Kxf4
        • 2.Qe4+
          • 2...Kg3
            • 3.Qg4#
      • 1...Ke6
        • 2.Sg5+
          • 2...Kf5
            • 3.Qf7#
          • 2...Kd6
            • 3.Sfe4#
          • 2...Kf6
            • 3.Qf7#
      • 1...Kf6
        • 2.f5
          • 2...Kxf5
            • 3.Qf7#
      • 1...Kg6
        • 2.Sg5
          • 2...Kf5
            • 3.Qf7#
          • 2...Kh5
            • 3.Qh7#
          • 2...Kf6
            • 3.Qf7#
          • 2...Kh6
            • 3.Qh7#

FEATURES


NOT CLASSIFIED


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).