Problem Display
PID: 235733 (8/7Q/8/6pN/6p1/4K2k/8/8 w - - 0 1)

Vorontsov, D

Zadachi i Etyudi, 2002

8/7Q/8/6pN/6p1/4K2k/8/8

#3

3 + 3


5454 Near Snap 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Kh2
      • 2.Kf2
        • threat
          • 3.Sg3#
          • 3.Sf4#
          • 3.Sf6#
          • 3.Sg7#
        • 2...g3+
          • 3.Sxg3#
        • 2...Kh1
          • 3.Sg3#
          • 3.Sf4#
          • 3.Sf6#
          • 3.Sg7#
        • 2...Kh3
          • 3.Sg3#
          • 3.Sf4#
          • 3.Sf6#
          • 3.Sg7#
    • 1...Kh4
      • 2.Qe4
        • threat
          • 3.Qh1#
        • 2...Kh3
          • 3.Qh1#
        • 2...Kxh5
          • 3.Qh7#
    • 1...g3
      • 2.Sf4+
        • 2...Kg4
          • 3.Qh3#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Sg3#
        • 2.Sf4#
        • 2.Sf6#
        • 2.Sg7#
      • 1...Kh2
        • 2.Sg3#
        • 2.Sf4#
        • 2.Sf6#
        • 2.Sg7#
      • 1...Kh4
        • 2.Sg3#
        • 2.Sf4#
        • 2.Sf6#
        • 2.Sg7#
      • 1...g3+!
    • 1.Qc2?
      • threat
        • 2.Qf2
          • 2...g3
            • 3.Qxg3#
      • 1...Kh4
        • 2.Qh2#
      • 1...g3!
    • 1.Qc7?
      • threat
        • 2.Qg3#
      • 1...Kh4
        • 2.Qh2#
      • 1...g3
        • 2.Qxg3#
      • 1...Kg2!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qf2
          • 2...g3
            • 3.Qxg3#
      • 1...Kg2
        • 2.Qf2+
          • 2...Kh1
            • 3.Sg3#
          • 2...Kh3
            • 3.Qg3#
      • 1...Kh2
        • 2.Qf2+
          • 2...Kh1
            • 3.Sg3#
          • 2...Kh3
            • 3.Qg3#
      • 1...Kh4
        • 2.Qe4
          • threat
            • 3.Qh1#
          • 2...Kh3
            • 3.Qh1#
          • 2...Kxh5
            • 3.Qh7#

Anticipated by 256609(1955)

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).