Problem Display
PID: 186136 (8/8/8/3K1p2/5P2/5Npk/5Q2/8 w - - 0 1)

Agapov, Igor Alexeyevich

Kudesnik, 2018

8/8/8/3K1p2/5P2/5Npk/5Q2/8

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...g2
      • 2.Qh4#
  • Tries
    • 1.Sg1+?
      • 1...Kh4
        • 2.Qf3
          • 2...g2
            • 3.Qh3#
      • 1...Kg4!
    • 1.Sg5+?
      • 1...Kh4
        • 2.Qf3
          • 2...g2
            • 3.Qh3#
      • 1...Kg4!
    • 1.Qe1?
      • 1...Kg4
        • 2.Se5+
          • 2...Kh3
            • 3.Qh1#
          • 2...Kxf4
            • 3.Qd2#
            • 3.Qc1#
          • 2...Kh4
            • 3.Qh1#
          • 2...Kh5
            • 3.Qh1#
      • 1...Kg2!
    • 1.Qf1+?
      • 1...Kg4
        • 2.Se5+
          • 2...Kh4
            • 3.Qh1#
          • 2...Kh5
            • 3.Qh3#
            • 3.Qh1#
      • 1...g2!
    • 1.Qg2+?
      • 1...Kg4
        • 2.Se5+
          • 2...Kxf4
            • 3.Qd2#
          • 2...Kh4
            • 3.Qh1#
          • 2...Kh5
            • 3.Qh1#
            • 3.Qh3#
      • 1...Kxg2!
    • 1.Qh2+?
      • 1...Kg4
        • 2.Se5+
          • 2...Kxf4
            • 3.Qd2#
            • 3.Qh6#
      • 1...gxh2!
  • Keys
    • 1.Qg1!
      • 1...Kg4
        • 2.Se5+
          • 2...Kh3
            • 3.Qh1#
          • 2...Kxf4
            • 3.Qc1#
          • 2...Kh4
            • 3.Qh1#
          • 2...Kh5
            • 3.Qh1#
      • 1...g2
        • 2.Qh2+
          • 2...Kg4
            • 3.Se5#

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).