Problem Display
PID: 269094 (8/8/3N4/2Q5/6P1/5k2/7P/4K3 w - - 0 1)

Petrasinovic, Petrasin

Comm., Problem Paradise, 2019

8/8/3N4/2Q5/6P1/5k2/7P/4K3

#3

5 + 1


5454 Near Snap 2023

SOLUTION


  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf5+
        • 2...Ke3
          • 3.Qe4#
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Qe4#
      • 1...Kg2!
    • 1.Qc2?
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Qf5+
          • 2...Ke3
            • 3.Qe4#
      • 1...Kxg4!
    • 1.Qc4?
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Qe4#
      • 1...Kg2!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qf5+
          • 2...Ke3
            • 3.Qe4#
      • 1...Kxg4!
    • 1.Qf5+?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kg2!
    • 1.Qc8?
      • 1...Ke3
        • 2.Qc4
          • 2...Kf3
            • 3.Qe4#
      • 1...Kf4
        • 2.Qf5+
          • 2...Ke3
            • 3.Qe4#
      • 1...Kg2!
  • Keys
    • 1.Se4!
      • 1...Kg2
        • 2.Qf2+
          • 2...Kh1
            • 3.Sg3#
          • 2...Kh3
            • 3.Qg3#
      • 1...Kxe4
        • 2.Ke2
          • 2...Kf4
            • 3.Qf5#
      • 1...Kf4
        • 2.Sf6
          • 2...Kf3
            • 3.Qf2#
      • 1...Kxg4
        • 2.Qg5+
          • 2...Kf3
            • 3.Sd2#
          • 2...Kh3
            • 3.Qg3#

Anticipated by 28101(1888), 28157(1890)

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).